Silicon Sensing Expands MEMS Foundry in Japan

Maritime Activity Reports, Inc.

June 3, 2019

Photo: Silicon Sensing Systems Ltd

Photo: Silicon Sensing Systems Ltd

Silicon Sensing Systems is to expand its MEMS foundry in Japan, moving into a new purpose-built facility, allowing the company to meet significantly increased demand for its MEMS inertial sensors and sputtered thin film PZT MEMS device wafers.

The new facility will increase floorspace to 3,000m2, immediately more than doubling current wafer throughput and delivering scope for a five-fold increase in output over the next five years, in line with current market growth predictions.  To keep up with the volume and price pressures in the thin film PZT MEMS sector Silicon Sensing is already expanding its 8” wafer line production.

This expansion forms part of a major two-year program of investment which will upgrade tooling, capabilities and capacity, and comes as Silicon Sensing celebrates 20 years in the MEMS business during which time the company has delivered over 30m devices worldwide.  

Eric Whitley, Business Development Manager, Silicon Sensing Systems explains: “Silicon Sensing is known for its own precision MEMS inertial sensors and has recently opened up its foundry to fabless customers who need a reliable source for their PZT based MEMS devices. In the last 3 years we have seen strong demand as customers in many markets ramp up production and look for a reliable supply of effective, precision MEMS units.  As a team, we are excited to be part of this significant evolution and growth in the business.”

Mr. Hiroshi Tanaka, General Manager (Japan site), is overseeing the expansion plan and adds: “This is an important milestone in the continuing evolution of the Silicon Sensing company.   Our aim is to make a smooth transition from the current facility into our new, earthquake resistant building by the end of 2020.  At the same time, we are adding many additional depositions and etch tools, including a new ALD (Atomic Layer Deposition) tool to offer a solution for environmental protection of our PZT films for use in harsh environments.”

Thin Film PZT MEMS
Silicon Sensing launched its first sputtered thin film PZT (Lead Zirconate Titanate) MEMS gyroscope sensor in 2010; the PinPoint gyro.  Since then more than 10M PinPoint gyros have been produced and are used in a diverse range of applications in automotive, industrial and commercial markets.  This gyro remains a best-selling product and has gained an excellent reputation as an ultra-reliable (0ppm return – last 3 years), precise and affordable MEMS sensor.

Building on the strengths of PinPoint Silicon Sensing has developed its thin film sputtering material and process technology to an advanced level.  Silicon Sensing is supplying its PZT film to a global customer base for use in many varied MEMS devices such as mirrors, inkjet printhead nozzles and acoustic devices.  In many cases Silicon Sensing is an enabler for the transition from use of bulk piezo-electric to thin film, with the associated benefits of economy, size and power consumption.

Silicon Sensing Systems
Silicon Sensing Systems Ltd is an inertial sensors and systems engineering company, jointly owned by Collins Aerospace and Sumitomo Precision Products.  The company was formed in 1999 and is, today, a market leader in silicon, micro electro-mechanical systems (MEMS)-based navigation and stabilization technology.  Approaching 40 million MEMS gyroscopes and accelerometers have been supplied to thousands of customers since the company’s formation.



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