Linear integrated circuits and applications 2 min read
Lithographic Processes
The process of lithographically fabricating microcomponents is analogous to printing a photograph in a darkroom. In phorography, an energy sensitive…
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Linear integrated circuits and applications 4 min read
Photomask manufacture
Photomasks used for optical lithography contain the pattern of the integrated circuits. The basis is a so called blank: a glass…
Linear integrated circuits and applications 2 min read
photolithography
Photolithography is the standard method of printed circuit board (PCB) and microprocessor fabrication. The process uses light to make the…
Linear integrated circuits and applications 2 min read
Physics of Thermal Oxidation
THERMAL OXIDATION is a chemical process, where silicon dioxide (SiO) is grown in an ambient with elevated temperatures. A simple…
Linear integrated circuits and applications 1 min read
Advantages of MBE Over CVD Process
· MBE is low temperature process which is advantageous for VLSI · While preparing thin layers using MBE process, auto.cloping and autodiffusion…
Linear integrated circuits and applications 1 min read
Molecular Beam Epitaxy (MBE)
MBE equipment MBE main blocks MBE process characteristics Effusion cell Growth mechanism MBE system
Linear integrated circuits and applications 2 min read
Epitaxial Growth
Epitaxy is used to deposit N on N+ silicon, which is impossible to accomplish by diffusion. It is also used…
Linear integrated circuits and applications 9 min read
Crystal Growth and Wafer Preparation
In this process following subprocesses, are involved – (i) Crystal growing (ii) Ingot trimming and grinding (iii) Ingot slicing (iv)…
Linear integrated circuits and applications 1 min read
Single Crystal Growth
We now have hyperpure poly-Si, already doped to the desired level, and the next step must be to convert it…