Previous events & news


Mas+Cara: Biometric recognition solutions with privacy and post-quantum security)
On May 18, 2023, the Mas+Cara initiative won the 1st Prize of the XVIII US Entrepreneurship Ideas Contest, an initiative promoted by PDI (Teaching and Research Staff).
May 23, 2023

Visit of the Microelectronics PERTE Commissioner to the Instituto de Microelectrónica de Sevilla (IMSE-CNM)
The special commissioner of the Strategic Project for the Recovery and Economic Transformation of Microelectronics and Semiconductors, better known as PERTE CHIP, Mr. Jaime Martorell, visited the Instituto de Microelectrónica de Sevilla (IMSE-CNM), joint center of the Consejo Superior de Investigaciones Científicas (CSIC) and the Universidad de Sevilla.
May 18, 2023

First PTI Digital Science day
The first assembly of the PTI Digital Science will take place on May 10, 2023 where all the participants of the platform will meet together with the companies and public administrations of interest in the auditorium of the Centro de Ciencias Humanas y Sociales (CCHS , CSIC) in Madrid.
April 12, 2023

European Commission has selected the QUBIP project
European Commission has selected the QUBIP project to be funded in the HORIZON-CL3-2022-CS-01 call for Cluster 3 of the Horizon Europe program devoted to Civil Security for Society.
March 29, 2023

The prestigious MSCA Postdoctoral Fellowships 2022 program has selected the SQPRIM project
The prestigious MSCA Postdoctoral Fellowships 2022 program has selected the SQPRIM project presented by Dr. David Martín Sánchez under the supervision of Dr. Piedad Brox Jiménez.
March 28, 2023

Visit of Naresh Shanbhag to IMSE-CNM
On March 2, 2023 we have had a presentation of the eminent prof. Naresh Shanbhag of the University Illinois Urbana-Champaign, who is of stay at the IMSE.
March 2, 2023

Doctoral Thesis defense
Behavioral Modelling of CMOS SPADs based on TCAD Simulations.
Juan M. López Martínez
January 24, 2023

Doctoral Thesis defense
Contributions to the Realization of DNN-based Visual Inference on Embedded Systems.
Delia Velasco Montero
January 10, 2023


Post on the La Cuadratura del Círculo blog
High-speed neuromorphic computing, an increasingly closer reality.
Rafaella Fiorelli
December 15, 2022

IMSE-Forum Seminar
Seminar delivered by IEEE Distinguished Lecturer Prof. Xinmiao Zhang, Dept. of Electrical & Computer Engineering, Ohio State University.
December 14, 2022

Visits to the IMSE
IES Tartessos.
December 13 & 16, 2022

Doctor Honoris Causa distinctions
IMSE researchers Manuel Valencia Barrero, Ángel Barriga Barros and Santiago Sánchez Solano have been awarded the Doctor Honoris Causa distinction by the Universidad Tecnológica de La Habana "José Antonio Echeverría" (CUJAE).
November 30, 2022

Visits to the IMSE
IES Profesor Juan Antonio Carrillo Salcedo.
November 25, 2022

Visits to the IMSE
Asociación de estudiantes ESIBot.
October 25, 2022

Appointment as a member of the IEEE Circuits and Systems Society Board of Governors
IMSE researcher José Manuel de la Rosa has been elected member ('Member-at-Large') of the IEEE Circuits and Systems Society Board of Governors (IEEE-CASS) for the period 2023-2025.
October 25, 2022

The HEART-FAIL VOLUM project receives funding of 70.000 €
The HEART-FAIL VOLUM project, in which professors from the University of Seville and researchers from the IMSE-CNM participate, has been selected as an outstanding project within the call for Validate grants from the Fundación La Caixa, receiving funding of 70.000 €.
October 24, 2022

Award for the best oral presentation
Alejandro Casado, student of the Master in Microelectronics, has obtained one of the prizes for the best oral presentation at the IX Jornadas de I+D+i & 1st International Workshop on STEM, with the work 'Development of experimental setup for the realization of EM cartography in cryptographic systems'.
October 4, 2022

2022 European Researchers' Night
Activities presented by the Instituto de Microelectrónica de Sevilla in the European Researchers' Night.
September 30, 2022

Master's Dissertation defense
- Design of a DVS image sensor with photodiodes operating in the photovoltaic region.
Pablo Fernández Peramo
- Integrated sensor analysis, control algorithms, processing and HW&SW systems for a high placement accuracy and high load capacity fully automated pick and place system.
José Manuel Díaz Madrid
- Technological process migration of analog cells used in the design of a switched line driver for narrowband PLC applications.
Víctor Camacho Berne
- Event-based vision technology: concept and practical implementation.
Marcelo Francisco Simbaña Romero

September 20, 2022

European Project GOIT »
The European project GOIT, one of whose coordinators is the IMSE researcher Piedad Brox, has been selected to be funded in the HORIZON-CL4-2021-DIGITAL-EMERGING-01 call with global funding of 1,994,328 €.
September 1, 2022

Master's Dissertation defense
- Oscillator-based computation for solving combinatorial optimization problems.
Jesús David Barrionuevo Vallecillo
- Strategies for the design of common mode rejection microwave filters.
Victoria Dos Santos Ortega
- Ring oscillators in CMOS technologies for hardware security applications.
Fernando Fernández Sánchez
- Circuits for collecting and managing energy in applications for harvesting energy from the environment.
Laura Vicente García
- Image recognition system on FPGA for artificial vision applications.
Adrián Campos Ramos

July 12, 2022

TAEE 2022 Best Paper Award »
IMSE researchers Luis Camuñas and José Manuel de la Rosa have been recipient of the XV International Conference of Technology, Learning and Teaching of Electronics TAEE 2022 Best Paper Award with the work entitled 'Using Software-Defined Radio Learning Modules for Communication Systems'.
July 1, 2022

IMSE in the Science Fair »
Activities presented by the Instituto de Microelectrónica de Sevilla at the 20th Science Fair.
May 12-14, 2022

Doctoral Thesis defense
Alternative Methods for Non-Linearity Estimation in High-Resolution Analog-to-Digital Converters.
María A. Jalón Victori
February 22, 2022

Doctoral Thesis defense
Design of a hierarchical parallel genetic algorithm for circle detection in images and implementation of fully configurable hardware.
Luis F. Rojas Muñoz
February 4, 2022


Talk by Timothée Masquelier »
Timothée Masquelier, a researcher at the Centre National de la Recherche Scientifique (CNRS), gave a conference on December 13 at the IMSE entitled 'Surrogate gradient learning in spiking neural networks'.
December 13, 2021

Doctoral Thesis defense
Modeling and simulation of non-linear bioelectronic systems applied to cell culture assays.
Juan A. Serrano Viseas
December 10, 2021

The history of chips »
Talk by professor Gloria Huertas in Museo Casa de la Ciencia de Sevilla entitled 'The history of chips' within the cycle 'What do we know about?'
November 19, 2021

Doctoral Thesis defense
Study of variability phenomena on CMOS technolologies for its mitigation and exploitation.
Pablo Sarazá Canflanca
November 12, 2021

European SPIRS project kick-off meeting »
The kick-off meeting of the European SPIRS project (Secure Platform For ICT Systems Rooted at the Silicon Manufacturing Process) was held on October 28 and 29 at the CSIC Delegation of Andalusia.
October 28-29, 2021

2021 European Researchers' Night »
IMSE-CNM at the 2021 European Researchers' Night. Researchers Erica Tena, Francisco Eugenio Potestad and José Miguel Mora presented the activity 'Do you fancy a game? «Frogger» video game reusing programmable boards for microelectronic design'.
September 24, 2021

Doctoral Thesis defense
Impacto de la variabilidad dependiente del tiempo en circuitos integrados en tecnologías nanométricas: modelado, simulación y caracterización experimental.
Pablo Martín Lloret
September 17, 2021

Doctoral Thesis defense
Low-Power Artifact-Aware Implantable Neural Recording Microsystems for Brain-Machine Interfaces.
Norberto Pérez Prieto
June 30, 2021

First prize in the Entrepreneurship Contest of the Universidad de Sevilla »
IMSE predoctoral students Santiago Fernández and Pablo Pérez along with IMSE-CNM researchers Alberto Yúfera, Gloria Huertas and Alberto Olmo, have won the first prize in the XVI Entrepreneurship Ideas Contest of the Universidad de Sevilla for the best initiative promoted by personnel teacher and researcher.
June 2, 2021

Finalists in the Entrepreneurship Contest of the Universidad de Sevilla »
Santiago Fernández and Daniel Martin, two IMSE pre-doctoral students in the Biomedical Circuits and Systems line research, are participating in the Entrepreneurship Contest that the Universidad de Sevilla is currently developing. They have managed to reach the final on Wednesday, June 2, with their proposals VOLUM and SYMAS, respectively.
[video VOLUM]  ·  [video SYMAS]

May 19, 2021

Talk about the Mars Rover Perseverance »
Talk by professor at Universidad de Sevilla and IMSE-CNM researcher Servando Espejo Meana entitled 'Mars Rover Perseverance: The challenge of measuring the Martian wind'.
May 12, 2021

EAI SaSeIoT 2021 Best Paper Award »
IMSE-CNM researchers Roberto Román and Iluminada Baturone have been recipient of the EAI SaSeIoT 2021 Best Paper Award with the work entitled 'A Quantum-Resistant and Fast Secure Boot for IoT Devices using Hash-Based Signatures and SRAM PUFs'.
April 25, 2021

Seminar on technology transfer
Seminar given at the IMSE facilities entitled 'Protection of inventions and other results. Creation of EBTs and forms of financing', taught by PONS IP staff.
April 20-21, 2021

Technological offer »
Researchers from the Instituto de Microelectrónica de Sevilla in collaboration with researchers from the Universidad de Cádiz have developed a detector to measure the energy of electrons in SEM microscopes (Scanning Electron Microscope) that allows to measure both the intensity and the energy of the electrons generated.
April 16, 2021

SPIRS project. Increase security without store keys »
The CSIC, through the Instituto de Microelectrónica de Sevilla, is leading the SPIRS project, led by researcher Piedad Brox, a project to increase the security of digital devices without the need to store keys.
25 Marzo 2021

Doctoral Thesis defense
Analog-to-Digital Converters for Efficient Portable Devices.
Sohail Asghar
March 19, 2021

Ranking Stanford World's Top 2% cited Scientists »
Four IMSE researchers have been listed in Stanford World's Top 2% cited Scientists ranking, which lists the most cited researchers by field. For the IMSE the field is "Electrical and Electronic Engineering".
Congratulations to Ángel Rodríguez Vázquez, José Manuel de la Rosa, Teresa Serrano and Bernabé Linares.

March 10, 2021

Microchip designers »
On the occasion of International Women's Day, the IMSE-CNM researcher Piedad Brox, gave an online talk entitled 'Microchip Designers' at the Colegio San Agustín in Seville.
March 8, 2021

Doctoral Thesis defense
Memristor Based Event Driven Neuromorphic Nano-CMOS Processor.
Charanraj Mohan
February 19, 2021

Seville technology in the NASA rover »
Researchers from the Instituto de Microelectrónica de Sevilla (IMSE), a joint center of the CSIC and the Universidad de Sevilla, have participated in the development of the Mars Environmental Dynamics Analyzer (MEDA), the meteorological station of NASA's Perseverance rover.
February 18, 2021


HiPEAC Tech Transfer Awards 2020 »
The PHOTONVIS company has received one of the HiPEAC Tech Transfer Awards 2020. This company was born within the research group on Integrated Interface Circuits and Sensory Systems (I2CASS) and is dedicated to the development of CMOS-SPAD sensors. These image sensors enable the extraction of 3D information by directly estimating the photons time-of-flight of and are a fundamental part in the development of solid-state LiDAR. The PHOTONVIS team consists of postdoctoral researchers Ion Vornicu and Angela Darie, US professor Ángel Rodríguez Vázquez and CSIC scientist Ricardo Carmona Galán.
December 22, 2020

Master's Dissertation defense
- Three-dimensional tracking system based on an array of optical flow sensors implemented with low resolution cameras.
Rafael de la Rosa Vidal
- Analysis and design of inductors and oscillators based on LC tanks for multi-gigabit applications in deep submicron CMOS technologies.
Pablo Jiménez Frenández
- Cyber-Physical Systems for Remote Animal Monitoring.
Carmen Lozano Pons
- Design of aging-resilient SRAM-based Physical Unclonable Functions (PUFs).
Andrés Santana Andreo
- Design and implementation of the readout logic of a sun sensor intended for space navigation.
Monserrat Sánchez Gallego
- CMOS-compatible diodes in Geiger mode and in avalanche with analogue counting in a 150 nm CMOS technology.
Sergio Moreno Martín

December 15-16, 2020

DCIS 2020 Best Paper Award
IMSE-CNM researchers P. Sarazá-Canflanca, H. Carrasco-López, P. Brox, R. Castro-López, E. Roca and F.V. Fernández have been recipient of the DCIS 2020 Best Paper Award with the conference contribution entitled 'Improving the reliability of SRAM-based PUFs under varying conditions'.
November 19, 2020

Teresa Serrano Gotarredona new Directora General de Investigación y Transferencia del Conocimiento »
IMSE-CNM researcher Teresa Serrano Gotarredona has been appointed by the Consejo de Gobierno of the Junta de Andalucía as the new Directora General de Investigación y Transferencia del Conocimiento of the Consejería de Transformación Económica, Industria, Conocimiento y Universidades.
November 17, 2020

Virtual meeting of the 'Advancing in cybersecurity technologies' project »
'Advancing in cybersecurity technologies' project funded by i-LINK program from CSIC held a virtual meeting among their particpant last November 17th. The participants presented their last research activities in the respective research groups and exhanged ideas for future collaborative works. Researchers from Seville Institute of Microelectronics, Institute of Physics and Information Technologies, Tampere University (Finland) and University of Michigan (USA).
November 17, 2020

Café con Ciencia »
Microelectronics for space missions.
Antonio Ragel Morales
November 10, 2020

Master's Dissertation defense
- Design of real-time processing algorithms for biomedical images to be implemented in the Raspberry Pi platform.
Rubén Padial Allue
- Study, development and prototyping of a plethysmographic sensor for the evaluation and measurement of volume changes in cardiovascular pathologies.
Enrique Rando Carrión
- Application of neuromorphic systems with deep learning for cognitive radio based communication systems.
Virginia Zúñiga González

September 22, 2020

Master's Dissertation defense
- Safety Acquisition System for Graphene Based Transistors.
Lucia Jesica Re Blanco
- The use of a hardware-based trusted root for processors.
Roberto Roman Hajderek
- Evaluación del impacto del escalado tecnológico sobre el diseño físico de circuitos.
Jorge Isidro Rubio Cota

July 15, 2020

Master's Dissertation defense
- Análisis de téccnicas de routing diferencial en CriptoASICs: Adecuación del proceso previo de Place & Route
Adrián Guijarro Cordoba
- Diseño de un sensor de imagen asíncrono autoalimentado mediante captación de energía solar.
Rubén Gómez Merchán
- Aceleración de algoritmos criptográficos post-cuánticos usando técnicas de codiseño hardware/software.
Eros Camacho Ruiz
- Diseño microelectrónico de bloques integrados para generación de energía fotovoltaica.
Arnold Mc Giver Mamani Pachacopa

July 14, 2020

Doctoral Thesis defense
Diseño de circuitos integrados para interfaces neuronales implantables.
José Luis Valtierra Sánchez de la Vega
June 10, 2020

Doctoral Thesis defense
Design of CMOS Digital Silicon Photomultipliers with ToF for Positron Emission Tomography.
Franco Nahuel Bandi
May 29, 2020

Visits to the IMSE
Adharaz - Altasierra School.
February 21, 2020

Interview for Wisibilízalas Contest »
Sixth grade students from the Colegio Público Huerta del Carmen in Seville visited our center to interview the IMSE-CNM researcher Elisenda Roca, within the Wisibilízalas Contest, whose main objective is to give visibility to women working in the ICT field.
February 20, 2020

Visits to the IMSE
SAFA School.
February 6, 2020

EDAA Outstanding Dissertation Award »
The doctoral thesis of Fábio Moreira de Passos entitled 'A multilevel approach for the systematic design of radiofrequency integrated circuits', directed by IMSE-CNM researchers Francisco V. Fernández and Elisenda Roca, has been the recipient of the EDAA Outstanding Dissertation Award 2019. It is the first time this prestigious award is won by a Spanish university or research center since its creation in 2003.
February 6, 2020

Doctoral Thesis defense
Design of hardware-based security solutions for interconnected systems.
Miguel Ángel Prada Delgado

January 21, 2020

Appointment as IEEE Fellow
Jose M. de la Rosa, researcher at the IMSE-CNM and professor at the Universidad de Sevilla, has been named IEEE Fellow for contributions to delta-sigma modulators. The IEEE Grade of Fellow is conferred by the IEEE Board of Directors upon a person with an outstanding record of accomplishments in any of the IEEE fields of interest.
January 1, 2020

Appointment as Editor-in-Chief
IMSE-CNM researcher and professor at the Universidad de Sevilla Jose M. de la Rosa, has been appointed Editor-in-Chief of IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II).
January, 2020

President-Elect of IEEE CASS
IMSE-CNM researcher Manuel Delgado Restituto has been appointed President-Elect of the IEEE Circuits and Systems Society (CASS). It is the first time that a researcher of Spanish nationality is appointed to this position.
January, 2020


Collaboration agreement for the creation of technology-based companies »
The FGCSIC COMTE-EBT program was presented, which aims to promote the creation of technology-based companies (EBT) by CSIC researchers. One of the beneficiary projects has been the 'PhotonVIS research project: Vision and image systems through the detection of isolated photons', participated by IMSE-CNM researchers Ricardo Carmona Galán (promoter), Ángel Rodríguez Vázquez, Ion Vornicu and Angela Darie.
December 19, 2019

Master's Dissertation defense
- Design and Implementation of a System for Voice Authentication.
Robinson Castillo Méndez
- Benchmarking of Steep Slope Devices for Logic Computation.
Manuel Jiménez Través
- Methodology and Tools for the Development of Artificial Vision Applications based on OpenCV / OpenVX on FPGA.
José Ángel Martínez Trejo

December 12, 2019

PhD Talks. Faculty of Physics (US)
Lecture series of PhD students of the Faculty of Physics and related centers: Integrated system for neural stimulation with wireless power supply.
David Palomeque Mangut

December 4, 2019

Visits to the IMSE
IES Inca Garcilaso.
November 27, 2019

Café con Ciencia »
To improve the defense of microchips you have to go on the attack.
Francisco E. Potestad and Erica Tena with IES San José de la Rinconada.

November 7, 2019

Doctoral Thesis defense
Digital Background Self-Calibration Technique for Compensating Transition Offsets in Reference-less Flash ADCs.
Cristina Aledo González

November 6, 2019

Visits to the IMSE
IES Rodrigo Caro.
October 23, 2019

Deep Learning with MATLAB
The PhD Program of Physical Sciences and Technologies of the Universidad de Sevilla has organized a course on 'Deep Learning with MATLAB' held on the premises of the IMSE.
October 8-9, 2019

Visits to the IMSE
IES Torre del Rey.
October 4, 2019

Master's Dissertation defense
- Design of embedded systems for image and video processing applications over FPGAs using Vivado SDSoC.
Roberto J. del Pino Roldán
- Design of an ultra-low-power low-jitter amplifier on SiGe technology for cryogenic applications.
Roland Jaha
- Design and verification of an AXI slave.
Antonio Martínez Zambrana
- New methodologies and processing architectures for data-driven model predictive controllers implementation on FPGA based platforms.
Juan Moreno Nadales

September 26, 2019

SMACD 2019 EDA Competition Winner »
Pablo Sarazá Canflanca has been recipient of the EDA Competition Winner in the SMACD 2019 Conference, held in Lausanne on July 2019, for the work 'TiDeVa: A Toolbox for the Automated and Robust Analysis of Time-Dependent Variability at Transistor Level', co-authored with J. Díaz Fortuny, R. Castro López, E. Roca, J. Martín Martínez, R. Rodríguez, M. Nafria and F.V. Fernández.

Doctoral Thesis defense
Circuit design for biomedical laboratories based on bioimpedance measurement.
Pablo Pérez García

July 15, 2019

IMSE-Forum Seminar »
Bridging ICT and Medical Technologies for Smart Disease Diagnosis.
Myung Hoon Sunwoo, Ultra-small-sized Diagnostic and Smart Devices (uDSD) Research Center.

June 28, 2019

Doctoral Thesis defense
Sistema de Predicción Epileptogénica en Lazo Cerrado basado en Matrices Sub-Durales.
James Brian Romaine

June 28, 2019

Digilent Workshops at IMSE-CNM »
The company Digilent Inc, in collaboration with the Seville Institute of Microelectronics and the Escuela Politécnica Superior of the Universidad de Sevilla will give the following workshops in June.
- Accelerate real-time high definition video processing designs with Digilent Zybo Z7, a Zynq-7000 AP SoC Platform and Xilinx Vivado HLS.
- Hands-on experimentation using Digilent Analog Discovery 2. Complete analog & digital circuits in or out of the lab.

June 17-18, 2019

Visits to the IMSE
Escuela Politécnica Superior (US).
May 30, 2019

Mac Van Valkenburg Award 2019 »
Ángel Rodríguez Vázquez, researcher at the IMSE-CNM and professor at the Universidad de Sevilla, has been recipient of the Mac Van Valkenburg Award for fundamental contributions to mixed-signal chip architectures for smart imaging, vision and 2-D data processing. The award is based on the quality and significance of contribution, and continuity of technical leadership.. The awards ceremony will take place in the ISCAS 2019 Conference on May 28, 2019.

Fundamentals of industrial property and knowledge transfer
The Secretaría Gral. Adjunta de Recursos Humanos of the CSIC, in collaboration with the Vicepresidencia Adjunta de Transferencia del Conocimiento and the Instituto de Microelectrónica de Sevilla, has organized this course held on the premises of the IMSE.
May 21-23, 2019

IMSE in the Science Fair »
Activities presented by the Instituto de Microelectrónica de Sevilla at the 17th Science Fair.   [images]
May 16-18, 2019

Visits to the IMSE
SAFA School.
May 16, 2019

Visits to the IMSE
IES Profesor Juan Antonio Carrillo Salcedo.
May 3, 2019

IMSE-Forum Seminar »
- Capacitive to Digital Converters and its Applications.
Enrique Company, Analog Devices Inc.
- Towards an ultra low power photoplethysmography.
Javier Calpe, Analog Devices Inc.

April 26, 2019

Visit of President of the CSIC to IMSE-CNM »
The President of the CSIC Dª Rosa Menéndez López, accompanied by the Delegate of the CSIC in Andalusia Dª Margarita Paneque Sosa, has visited the Instituto de Microelectrónica de Sevilla, in the scope of the visits that is carrying out to the centers of the CSIC distributed throughout the national territory.
April 25, 2019

Visits to the IMSE
IES Virgen de Valme.
April 2, 2019

IMSE-Forum Seminar »
Information seminar for the Preparation of Proposals for the Future and Emerging Technologies (FET) Program.
Pilar Robledo Villar, Agencia Andaluza del Conocimiento.

March 28, 2019

Visits to the IMSE
IES Heliópolis.
March 21, 2019

Doctoral Thesis defense
Design and characterization of secure and resilient cryptocircuits against side-channel attacks.
Erica Tena Sánchez

March 11, 2019

Visits to the IMSE
IES Jacarandá.
March 7, 2019

IMSE-Forum Seminar
Training programme of Project ACHIEVE-ITN on transferable skills oriented to PhD students. Seminars on Responsible Research and Innovation.
- Open Science. Isabel Bernal, General Manager of Digital.CSIC.
- Ethics in Scientific Research and Publication. Prof. Mª Ángeles Oviedo García, Dept. of Marketing and Market Research (University of Seville) and Mr. Nico Formanek, Dept. of Philosophy of Science and Technology of Computer Simulation (University of Sttutgart), and also the collaboration of Prof. Juan Manuel Durán through videoconference, TU Delft.

March 6, 2019

Doctoral Thesis defense
Vulnerability and differential analysis by fault insertion of Trivium ciphers in FPGA and ASIC.
Fco. Eugenio Potestad Ordóñez.

March 5, 2019

Visits to the IMSE
IEEE Student Branch of the US
February 25, 2019

Visits to the IMSE
Colegio Salesiano Ntra. Sra. del Águila
February 20, 2019

IMSE-Forum Seminar
Metodología de marco lógico. Aplicación de la metodología de marco lógico como herramienta de planificación en la redacción de proyectos coherentes y viables, y recomendaciones para el desarrollo de ideas de proyectos.
Carmen Sánchez Ferrer, Project Manager del proyecto ACHIEVE-ITN (CSIC)

January 31, 2019

Visits to the IMSE
IES Alixar
January 14, 2019