Questions tagged [semiconductor-process-technology]

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Why not use synchrotrons for EUV? [closed]

The semiconductor industry has at last started upgrading to extreme ultraviolet lithography. The delay was in large part occasioned by the difficulty of building a suitable EUV light source, and ...
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1answer
21 views

OpenLane .gds file simulation/verification

Is there any way/software to simulate a .gds file. I know this file is only a geometry file so it doesn't really contain any information about the physical connections between stuff, it only seems to ...
2
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1answer
43 views

Ambiguity of the "intrinsic" layer in a PIN diode

I'm having trouble understanding the fundamental makeup of large PIN diodes, specifically those used in radiation detection devices. For example, high purity germanium (HPGe) detectors are often ...
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0answers
25 views

How to estimate area from TSMC 65nm Gplus datasheet?

I have to calculate the area from the standard cell size of TSMC 65 nm Gplus datasheet. I don't have the datasheet. I like to learn the procedure to estimate the area occupied by each gate/transistor.
2
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1answer
95 views

What is the current state of the art design rule for SiC VLSI? Technological impediments to making a SiC microcontroller for a Venus lander at 460 °C?

A sub-discussion below Is there any demonstrated or even proposed technology that can sterilize a spacecraft with 100% certainty and yet leave it electronically functional? in Space Exploration SE ...
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1answer
966 views

Why do silicon wafers look rainbow colored?

. Image taken from Can somebody identify this 12" silicon wafer? So this silicon wafer looks multicolored (and beautiful). But how does it get multicolored like a rainbow? What is the reason for ...
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0answers
164 views

Is there any specific application for an indirect band gap semiconductor?

I know that direct band gap semiconductors are very attractive for optical emission, and even though indirect band gap are used as well, I keep wondering: is there any technology that specifically ...
8
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1answer
146 views

How is the asymmetry of a Schottky diode obtained?

A Schottky diode is constructed with two metal conductors bonded to a doped semiconductor. One of the metal-semiconductor junctions is a Schottky contact, and the other metal-semiconductor junction is ...
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2answers
137 views

Can drain and source length be smaller than minimum channel length in CMOS technology?

I know the channel width can't be smaller, but what about drain and source? Say, in 0.18u technology, what would be a typical drain/source length?
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1answer
72 views

Feature 'logo/labels' on cases of self made devices

Not really an electronics question however has something to do with the tech you have used for your own projects. For example, on any consumer device with USB support, Bluetooth, HDMI 2.x etc there is ...
2
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1answer
849 views

Difference between Logic Chip and Memory Chip front-end manufacturing process?

I understand that memory chips like DRAM Chips require a little different set of Front-end setup than logics chips. However, I am not finding anywhere how the actual manufacturing steps differ, ...
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1answer
143 views

Does frequency scale proportionally?

Suppose that I am working with an FPGA and I synthesize two architectures A and B. A achieves a maximum frequency of 60 MHz on FPGA and B achieves 50 MHz on the same FPGA. Now suppose that I ...
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1answer
78 views

Is it possible to have a non-integer multiple of minimum length in MOSFET technology?

I need to design an OTA with 0.25 \$\mu m\$ CMOS technology. Can I choose to have a transistor with a channel length of 0.60 \$\mu m\$? I don't know if 0.25 is the resolution of our technology process ...
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0answers
63 views

What is the actual cmos technology node of China and Russia not licensing major process technology from outside?

There are a number of Russian fabs but from what I can see they are just using liscened technology ie Sitronics using STmicroelectronics at 90nm node or Angstrem-T using AMD see yet in the past there ...
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1answer
233 views

Are 7nm or 10nm transistors reality or is it just a marketing strategy by processor manufacturers?

Now a days chip manufacturers, like Qualcomm, claim that they have built a 7nm chip. Is 7nm really the size of transistor or is it just a marketing strategy? If 7nm is just for marketing and not the ...