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Kinnar
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What a Design!
Kinnar   6/26/2014 1:38:36 PM
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What a Design it is! MEMS and ASIC all together in single chip. Reducing the Size and Increasing performance. At the same time it is more precise with 14bit accuracy. Not even that this confirms lower price as compared to presently available bare sensors. Really remarkable indeed.

R_Colin_Johnson
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Re: What a Design!
R_Colin_Johnson   6/26/2014 2:37:13 PM
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Yes, that's why EETimes gave it the 2012 Startup of the Year award. They have already sold 60 million units, but kept a low profile by selling only to China and Taiwan. With this latest infusion of capital mCube will try to start landing design wins in the U.S., Europe and whereever smartphones are sold.

elctrnx_lyf
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Re: What a Design!
elctrnx_lyf   6/26/2014 3:31:44 PM
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Looks like a company to watch out in the future. They are attacking the part which is used across every consumer product these days.

Kinnar
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Re: What a Design!
Kinnar   6/27/2014 1:59:48 AM
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Yes you are right they might only be selling it to China and Taiwan, as in the clients list they are not showing any global player except Acer. And in local clients only one giant ZTE they are mentioning. This may be due to their agreement with purchasers of not disclosing the list using their devices. 

Anand.Yaligar
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Re: What a Design!
Anand.Yaligar   6/29/2014 1:20:13 PM
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hey have already sold 60 million units, but kept a low profile by selling only to China and Taiwan.

@R_Colin_Johnson, any reason why they kept low profile so far ? Is the technology still evolving ? Has this chip already gone into products ?

Anand.Yaligar
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Re : Monolythic MEMS Sensor Cuts Size/Cost
Anand.Yaligar   6/29/2014 1:53:16 PM
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The iGyro uses sensor fusion on an accelerometer and magnetometer to synthesize the rotational output of a gyro while using 80% less power, costing 50% less, and taking up almost 60% less space than a hardware gyroscope.

Wow less power, less cost and less space. I am sure this technology will be used many other smartphones and in all kind of wearable devices.

R_Colin_Johnson
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Re: Re : Monolythic MEMS Sensor Cuts Size/Cost
R_Colin_Johnson   6/30/2014 12:39:02 PM
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Yes, soft gyros are definitely "in" but only recently have they become responsive enough to rival he realtime output of a regular power hungry gyro. Progress marches on!

docdivakar
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Re: Monolythic MEMS Sensor
docdivakar   6/30/2014 1:08:34 PM
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@Colin_Johnson: regarding "mCube can use three-micron vias to interconnect the ASIC and the MEMS elements of a monolithic chip..." -though the 3um via many not be that impressive in monolithic technology, in this context I think it is a breakthrough! How ever, I would like to see reliability data prove the long term stability and durability of CMOS-integrated MEMS.

MP Divakar

R_Colin_Johnson
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Re: Monolythic MEMS Sensor
R_Colin_Johnson   6/30/2014 1:18:01 PM
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They've got 60 million in the field and just secured $37 million Seriec C funding so their releability can't be bad, but I'll ask them for some numbers.

docdivakar
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Re: Monolythic MEMS Sensor
docdivakar   6/30/2014 1:48:36 PM
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Thanks Colin. I took a quick look at their website/whitepaper which describes the vertical monolithic integration technology:

http://www.mcubemems.com/wp-content/uploads/2014/06/mCube-Advantages-of-Integrated-MEMS-Final-0614.pdf

If you see page 4, the word 'monolithic' has to be taken with a grain of salt! There is a monocrystalline MEMS Si wafer bonded to the CMOS wafer using MEMS via. The MEMS part is then capped with another wafer. So in effect there are two wafer-to-wafer interfaces that are quite different both in behaviour and function from metal-to-ILD interfaces of truly monolithic Si CMOS process. The reliability of this MEMS interfaces is the one I was questioning.

I did not find anything on their website on rel data, perhaps you can enlighten me more tomorrow?

MP Divakar

 

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