- W&W Communications video processors
• acquired by
Cavium Networks Inc.
- Wacker Siltronic wafers
- Wafer World Inc. wafer
- Waferscale Integration [WSI] programmable MCU peripherals
• acquired by STMicroelectronics
- Wafertech wafer technologies
- Waitrony Co., Ltd. LEDs, infrared emitting diodes, photo transistors and infrared receiver modules
- Wanstar Technology Co., Ltd. LEDs
- WarpCOM ethernet controllers
• acquired by Lara Networks
- Watkins-Johnson [WJ Communications Inc.] RF FETs,RF amplifiers, communications
• acquired by TriQuint Semiconductor
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
- Wave Computing AI processors
- Wave Semiconductor programmable devices
- Wavelens optical MEMS
- Wavesat Inc. wireless communications
• acquired by Cavium Networks Inc.
- WaveSplitter Technologies, Inc. telecommunications
- Wavetek Microelectronics Corporation wafer
- Waymo LLC LIDAR sensors, self driving technologies, LiDAR sensors
- WayRay AG holographic AR head-up displays
- WDC [The Western Design Center Inc.] microprocessors, microcontrollers & microperipherals
- Webel Solar photovoltaics, Monocrystalline Silicon
- Weebit Nano Ltd. SiOx ReRAMs
• acquired by Radar Iron Ltd.
- Wei Yeu Electronics Co. rectifiers, diodes
- WEIFU Group automotive parts, including radars
- Weihai Blue Star Terra Photovoltaic Co., Ltd. photovoltaics, Amorphous Silicon Thin Film
- Weinschel RF & microwave components
• a subsidiary of Aeroflex Microelectronic Solutions
- Weisheng Electronics Taiwan SRAMs, communications
- Wellypower Optronics Co., Ltd. Cold Cathode Fluorescent Lamps (CCFL)
- Weltrend Semiconductor, Inc. micro controllers, USB video
- Wenzhou Feng Yuan Laser Industrial Co. lasers
- West Bay Semiconductor communications
• acquired by Intel Corp.
- Westcode Semiconductor diodes, thyristors
• acquired by IXYS Corp.
• IXYS Corp. acquired by Littlefuse Inc.
- Western Design Center Inc. [WDC] microprocessors, microcontrollers & microperipherals
- Western Digital Technologies Inc. hard drives, solid state storage
- WHA YU Industrial Co., Ltd. BTS, GPS, WiFi antennas
- White Electronic Designs Corporation memories
• acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- White Microelectronics DRAM, SRAM, EEPROM, flash, microcontrollers
• check Bowmar too!
- WhiteOak Semiconductors
• now Infineon Technologies - Richmond
- Widcomm Inc. Bluetooth, wireless communications
- WiDeFi Inc. communications
- WiFiSLAM
• acquired by Apple Inc.
- Wilbrecht Electronics, Inc. LEDs
• acquired by Microprecision Electronics SA
- Wiliot Inc. energy harvesting ICs
- Wilocity Inc. wireless communications
• acquired by Qualcomm Inc.
- WillSemi [Shanghai WillSemi] surge protection, LED drivers
- Wilycon Co, Ltd. LEDs
- WIN Semiconductors Corp. foundry services
- Winbond Electronics Corp. SRAM, video ICs, telephony ICs, embedded processors, speech ICs, PC chipsets &peripheral ICs
• check Winbond USA too!
- WiNEDGE Electronics wireless communications, mpg3 codecs, transceivers
- Wingskysemi Ltd. [a subsidiary of Wingtech Technology] automotive power ICs
- Wingtech Technology Co., Ltd. semiconductors
- WINSTAR Display Co., Ltd. displays
- WINSTEK IC testing
• acquired by ST Assembly Test Services Ltd [STATS]
- Wintegra Inc. communications
• acquired by PMC-Sierra
• PMC-Sierra acquired by Microsemi Corp.
• Microsemi Corporation acquired by Microchip Technology Inc.
- Wintek LCD
• Filed for bankruptcy on October 15th, 2014
- Wipro Technologies Ltd. VLSI & DSP design, RF and baseband technology, bluetooth, UWB
- WiQuest Communications Inc. ultrawideband ICs
• operation shut down during 2008
- Wireless Audio IP B.V. [STS] wireless audio
• acquired by SMSC [Standard Microsystems Corporation]
• now part of Microchip Technology Inc.
- Wireless Systems International Ltd. [WSI] communication ASICs
- WIS Technologies, Inc. multimedia communications
- Wisair Ltd. wireless communications
- Wise-Integration GAN based power supply solutions
- Wisear neural interfaces
- WiseChip Semiconductor Inc. [WSI] OLED displays
- WiSpry Inc. RF and MEMS
- Wistron Corporation displays
- WJ Communications Inc. [Watkins-Johnson] RF FETs,RF amplifiers, communications
• acquired by TriQuint Semiconductor
• TriQuint Semiconductor Inc. merged with RF Micro Devices to form Qorvo Inc.
- WiTricity wireless energy transmission
- Wolfson Microelectronics PLC communications ICs, networking ICs, A/D &D/A, digital imaging ICs
• Advanced Sensors Business acquired by Cirrus Logic Inc.
- Wolfspeed SiC and GaN Power, RF technologies
• owned by Cree Inc.
- Won-Top Electronics [WTE] power semiconductors
- WonderMedia Technologies [a subsidiary of VIA Technologies Inc.] networked multimedia
- Woodside Networks
• now Airgo Networks
- Wooseok Electronics [WSE] transistors, voltage regulators
- World Star Technologies laser diodes, detectors & lenses
- Worldwide Semiconductor Manufacturing Corporation
• acquired by Taiwan Semiconductors Manufacturing Company [TSMC]
- WSE [Wooseok Electronics] transistors, voltage regulators
- WSI [WiseChip Semiconductor Inc.] OLED displays
- WTE [Won-Top Electronics] power semiconductors
- Wu Qi Technologies, Inc. [Chongqing Wuqi Technology Co., Ltd.] IoT & AI chips
- Wuhan Hongxin Semiconductor Manufacturing Co., Ltd. [HSMC] logic IC foundry
- Wuhan Xinxin Semiconductor Manufacturing Corporation [XMC] wafers
• a member of Tsinghua Unigroup Ltd.
- Wuxi Chipown Micro-electronics Limited [Chipown] PMICs, Display Drivers
- Wuxi Corona Electric & Technology Co., Ltd. receivers
• also known as Corona Electronics and Technology Co., Ltd.
- Wuxi DSP Technologies [DSP Technologies Inc.] communications
• also known as Optimum Semiconductor Technologies [OST]
- Wuxi Guolian Huaguang Power Engineering Co., Ltd. photovoltaic
- Wuxi NCE Power Co., Ltd. [NCE Power Semiconductor Co., Ltd.] MOSFETs, IGBTs, power modules
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