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Topic :: Silicon
When a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?
938Explain when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?
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What was your role in the silicon evaluation/product ramp? What tools did you use?
What was your role in the silicon evaluation or product ramp? What tools did you use?
What was your role in the silicon evaluation/product ramp? What tools did you use?
I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.
• The silicon of a new device has memory leak. When all "0" are written into RAM, it reads back all "0" whithout any problem. When all "1" are written, only 80% of memory cells are read back correctly. What can be possibly the problem with the RAM?
in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?
For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?
Thyristor convertor type AVR(Automatic Voltage Regulator) is made of Thyristors(Silicon Controlled Rectifiers,SCRs). We know that output DC voltage from an SCR will not only depend upon the r.m.s. value of Input voltage applied, but also at the angle at which the input AC cycle is fired (using gate signal). If the firing angle is zero(in a simple circuit), then maximum DC output voltage will be obtained.If the firing angle is changed from 0 to 180,then maximum to minimum voltage is obtained. This property could be used to build an AVR. The firing angle proportional to Output voltage could be used to trigger the thyristor,in a closed loop manner and a nearly constant DC voltage(Average Value) can be obtained.An invertor circuitory could be utilised to get a regulated AC supply. Many other configurations can be build from thyristors to get a regulated AC supply.
dear friends, pls tell me why silicone oil is used as dielectic medium in pressure transmitters
what is silicon chip
to acheve the IP 65 protection class does it is mandatory to apply silicon grease?
how the silicon knows 0's and 1's...
Are Silicon mutual funds and investment plans under SEBI registration and is it safe to invest in Silicon mutual funds?
what is the purpose of silicon dropper used in battery charger?
difference between pre silicon debug and post silicon debug
