Silicon wafer

Silicon wafer

A silicon wafer is a thin, circular slice of single-crystal semiconductor material used in manufacturing of semiconductor devices and integrated circuits.

Industry: Semiconductors

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Silicon wafer

Anisotropic etch

Semiconductors; Silicon wafer

A selective etch which exhibits an accelerated etch rate along specific crystallography directions.

Angstrom (Å)

Semiconductors; Silicon wafer

Unit of length commonly used in semiconductor industry, though it is not recognised as a standard international unit; 1 Å = 10-8cm = 10-4 micrometre = 0. 1 nm; the dimensions of a typical ...

Non-crystalline thin-film silicon having no long-range crystallography order; inferior electrical characteristics as compared to single-crystal and poly Si but cheaper and easier to manufacture; used ...

Adhesion layer

Semiconductors; Silicon wafer

Material used to improve adhesion of materials, typically photo resist to the substrate in a photo lithographic processes. Some metals are also used to promote adhesion of subsequent layers.

Boron

Semiconductors; Silicon wafer

Element from group III of the periodic table; acts as an acceptor in silicon; Boron is the only p-type dopant used in silicon device manufacturing.

Bonded SOI

Semiconductors; Silicon wafer

SOI substrate formed by bonding two silicon wafers with oxidised surfaces such that one wafer is formed with an oxide layer sandwiched between two layers of Si; one wafer is subsequently polished ...

Boat

Semiconductors; Silicon wafer

1. A device made of high purity temperature resistant materials such as fused silica, quartz, poly Si, or sic designed to hold many semiconductor wafers during thermal or other processes; 2. Device ...