MOSEL台湾茂矽电子股份有限公司设立于一九八七年一月八日，同年四月三日开始营业；一九九o、一九九一年陆续购并美国茂矽与美国华智公司，于一九九五年完成股本大众化之目标，股票正式于台湾证券交易所挂牌上市。

MOSEL台湾茂矽晶圆制造长期聚焦在功率半导体元件及电源管理1C领域，主要产品有沟槽式功率金属氧化物半导体场效应电晶体（ Trench Power MOSFET)、沟槽式绝缘栅双极电晶体（Trench IGBT)、类比IC(Analog 1C)以及各种二极体（Diode)等，容户终端产品广泛 
应用于电脑、液晶屏幕与电视、手机电池、工具机、LED照明、电源及汽车电子等领域。

除了既有的电源分离元件市场，目前更致力布局于智能电动车、机械人、及绿能等产业市场，対各产业提供更多项产品设计与制造服务与创造公司更好的营收。MOSEL茂矽在沟槽式技术上已建立完善工艺基础并获得国内外容户信任，近年籍由该技术切入沟槽式萧特 
基二极体(Trench Schottky Diode)与静电防护器件等领域，扮演国内最欠缺的专业制造供应商角色，获得客户好评并在104年Q4开始量产，未来更将乗持技术优势，继续优化产品性能满足容户应用上的需要。

MOSEL台湾茂矽乗持一贯客户至上辖神,持续提供更多样符合市场需求的中、高压分离器件及智能电源管理技术平台与产品，并枳极拓展客户群，且籍由深化客户长期伙伴关糸，导入更先进的各种制程，并开始在宽隙材料-SiC与新世代场超低功耗效应电晶体上展开研发，期能在此重要材料上取得领先优势，以确保特殊晶圆制造的领导地位。MOSEL茂矽将基于股东及员工之最大利益，积极参与客户新兴领域应用需求，在既有的基础上继续强化优势，致力创新制程技术及产品研发与销售，服务全球容户。

Mosel Vitelic Inc. was established in 1991 through the merger of MOSEL Ectronics Taiwan Inc. (which had been established on January 8, 1987, and began operations on April 3, 1987) and US company Vitelic Corporation. Mosel Vitelic was listed on the Taiwan Stock Exchange in September 1995.

In order to maximize its return on investment and achieve more efficient utilization of its wafer fabrication plants, Mosel Vitelic decided to withdraw from the DRAM market in 2003. The company began a period of consolidation, and transformed itself into an IC foundry business. To enhance the company's competitiveness, all Mosel Vitelic employees have worked tirelessly to reduce costs, achieve improvements in efficiency, and develop advanced technologies. Mosel Vitelic is constantly striving to strengthen its product mix, improve its yield rate and provide customers with the best possible service.

Demand for portable and multimedia devices is growing steadily, and will continue to grow in the future. Power MOSFET, Power Management ICs, Analog ICs, LCD driver ICs, ROM and Logic ICs are all vital components for these types of products. Mosel Vitelic will be focusing on Power Discrete, Power Management IC and Analog IC technology, working actively to develop more advanced production process technology in line with market needs, and building up a solid foundation for future growth.

In 2006, Mosel Vitelic decided to enter the Solar Cell and RFID businesses. Initially, Mosel Vitelic will be building up its Solar Cell business through turnkey solutions, using technology provided by leading international equipment vendors. In the longer term, Mosel Vitelic will be working to reduce wafer thickness and improve Solar Cell conversion efficiency so as to reduce production costs and strengthen our competitiveness. Through technical cooperation with our partner companies on Thin Film Solar Cell technology, Mosel Vitelic will also be making a major contribution towards protecting the environment through the development of solar energy.

Looking ahead to the future, Mosel Vitelic will continue to maximize profits for its shareholders, while at the same time giving due consideration to the well-being of Mosel Vitelic employees. Mosel Vitelic will maintain its focus on IC foundry operations for consumer products, while at the same time initiating new R&D projects to create new drivers of growth for the company. Building on its already strong R&D capabilities, Mosel Vitelic will continue to provide its customers with reliable, high-quality IC foundry services, laying the foundations for perpetual operation and opening the way to a bright future.