Wafer (electronics) | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-11

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Wafer_(electronics)


00:00:49 1 History
00:01:30 2 Formation
00:03:20 3 Cleaning, texturing and etching
00:03:59 4 Wafer properties
00:04:10 4.1 Standard wafer sizes
00:07:14 4.1.1 Historical increases of wafer size
00:08:11 4.1.2 Proposed 450 mm transition
00:13:45 4.2 Analytical die count estimation
00:23:10 4.3 Crystalline orientation
00:24:48 4.4 Crystallographic orientation notches
00:25:38 4.5 Impurity doping
00:26:53 5 Compound semiconductors



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SUMMARY
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A wafer, also called a slice or substrate, is a thin slice of semiconductor material, such as a crystalline silicon, used in electronics for the fabrication of integrated circuits and in photovoltaics for conventional, wafer-based solar cells.  The wafer serves as the substrate for microelectronic devices built in and over the wafer and undergoes many microfabrication process steps such as doping or ion implantation, etching, deposition of various materials, and photolithographic patterning. Finally, the individual microcircuits are separated (dicing) and packaged.