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Akustica to debut latest MEMS microphone

Akustica175px Akustica, the Pittsburgh-based company that has developed single-chip microphone technology, will unveil a new digital MEMS microphone for laptops, netbooks and tablet PCs next week at the 2011 Globalpress Electronics Summit in Santa Cruz, California.  Akustica's President and CEO Stefan Finkbeiner will present the company's 4th-generation MEMS microphone and its first new product since Akustica joined the Bosch Group in 2009.

Continue reading "Akustica to debut latest MEMS microphone " »

March 17, 2011 at 06:05 PM | Permalink | Comments (0)

Overview of MEMS microphone technologies for consumer applications

by St.J. Dixon-Warren
Engineering and Process Analysis Manager, Chipworks

SinjinPhoto The extraordinary success of the iPhone 4 lies in the superb integration of multiple sensor technologies in conjunction with a very slick software interface.  In a recent series of MEMS Investor Journal articles, we reviewed the 9DoF motion sensing technology used in the iPhone 4. Here we will discuss the MEMS microphones that have been incorporated into the iPhone 4, and we will then provide a review of some other MEMS microphones seen by Chipworks in recent years.  MEMS microphone suppliers apparently saw a 50% increase in shipments in 2010, and they expect to see a four fold increase by 2014.

Continue reading "Overview of MEMS microphone technologies for consumer applications" »

March 08, 2011 at 05:26 PM | Permalink | Comments (1)

ITC Judge: Knowles MEMS microphones infringe Analog Devices' patent

Knowles logo Analog Devices, a provider of MEMS and semiconductor technologies  for signal-processing applications, announced this week that the U.S. International Trade Commission (ITC) reportedly ruled "decisively in favor" of Analog Devices in its lawsuit against Knowles Electronics.

This recent ruling follows ITC's ruling on November 22nd when Administrative Law Judge Robert K. Rogers, Jr. found Knowles Electronics' MEMS microphone packaging patents were invalid, a ruling  that Analog Devices says is consistent with the position taken by the U.S. Patent and Trademark Office, where all of Knowles' asserted claims were rejected in separate reexaminations.

Continue reading "ITC Judge: Knowles MEMS microphones infringe Analog Devices' patent" »

December 23, 2010 at 04:33 PM | Permalink | Comments (0)

Tufts harnesses MEMS mics to monitor jet aircraft

by R. Colin Johnson
Contributing Editor, MEMS Investor Journal

An innovative micro-electro-mechanical system of 64 silicon microphones has been crafted as a hypersensitive audio array for detailed monitoring of the forces causing turbulence around jet aircraft.

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Continue reading "Tufts harnesses MEMS mics to monitor jet aircraft" »

June 03, 2010 at 09:38 PM | Permalink | Comments (0)

Analog Devices unveils HiFi MEMS mic

by R. Colin Johnson
Contributing Editor, MEMS Investor Journal

RcjADImic A leading supplier of airbag sensors worldwide with more than 500 million units shipped, Analog Devices diversified from accelerometers, gyroscopes, and inertial measurement units with its first MEMS microphone over a year ago.  Recently ADI (NYSE, constituent S&P 500) announced two new MEMS microphones aimed at high-fidelity audio applications such as voice-over-Internet protocol (VoIP), voice recognition and hands-free communicators, translators, and dictation applications.

Continue reading "Analog Devices unveils HiFi MEMS mic" »

April 29, 2010 at 12:33 PM | Permalink | Comments (0)

A Universal CMOS MEMS Process?

Unlike the semiconductor industry, MEMS devices have been traditionally manufactured using a variety of highly-specialized processes geared for each specific device.   This variety of MEMS fabrication processes has contributed to higher commercialization costs and longer times to market.  While there are established MEMS processes such as Sandia’s SUMMiT and Microfabrica’s EFAB,  a startup company Akustica is now promoting its CMOS MEMS process as a possible industry standard for monolithic CMOS MEMS devices.  Akustica has focused on MEMS based microphones thus far, but the company claims that its process is versatile and can also be used to make monolithic RF and inertial MEMS products.  We recently spoke with Akustica’s CTO Ken Gabriel.

Continue reading "A Universal CMOS MEMS Process?" »

February 15, 2007 at 09:14 PM | Permalink | Comments (1)

Sonion MEMS scales up its microphone business

We recently published a review on the current status of MEMS  microphones.  While Knowles Acoustics remains the market leader, companies such as Sonion and Akustica are also going after this exciting opportunity. 

We spoke with Dr. Jacob Philipsen, President of Sonion’s MEMS division, about the company’s current activities, competition, product pipeline and the process of transferring the microphone technology from a university lab prototype to a mass produced commercial product.

Continue reading "Sonion MEMS scales up its microphone business" »

September 01, 2006 at 12:31 AM | Permalink | Comments (1)

MEMS microphones break design mould

by Dr. Richard Dixon, Wicht Technologie Consulting

Silicon micromachined microphones have recently begun to emerge as a competitor technology to the electret condenser microphone (ECM), a device first developed by Bell Labs way back in the 1960s. Today, MEMS microphones amount to just tens of millions of units, but by 2009 will have carved out an estimated $500 million piece of the $2 billion total market for microphones — on average every third microphone will be based on MEMS.

While companies like Panasonic dominate the manufacture of electret microphones, a handful of companies such as market leader Knowles Acoustics and recent entrants, Sonion and Akustica, are supplying this hot market with analog and digital MEMS microphones for mobile phones, notebooks, and consumer products with audio input such as video recorders, digital cameras, dictation devices, and PDAs, in fact, any device requiring an audio input.

Continue reading "MEMS microphones break design mould" »

April 06, 2006 at 03:20 PM | Permalink | Comments (1)

CMOS MEMS activities at Akustica

We recently spoke with Dr. Ken Gabriel, Chairman and Chief Technology Officer, and Davin Yuknis, Vice President of Marketing, of Akustica about their company's ongoing activities and experiences with CMOS MEMS applications.

Continue reading "CMOS MEMS activities at Akustica" »

December 14, 2005 at 06:17 PM | Permalink | Comments (2)

CEO of Akustica discusses MEMS mics

MEMS microphones are becoming increasingly popular with manufacturers of consumer electronics.  We recently spoke with the CEO of Akustica Jim Rock and VP Marketing Davin Yuknis. 

Continue reading "CEO of Akustica discusses MEMS mics" »

September 15, 2005 at 09:11 PM | Permalink | Comments (2)

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