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Etch

A solution,a mixture of solutions, or a mixture of gases that attacks the surfaces of a film or substrate, removing material either selectively or non-selectively.

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Related terms

etching
Machine tools; Bearings

Rusting with pitting and corrosion from moisture and water exposure.

etching
Art history; Visual arts

A form of intaglio printmaking in which a plate (typically of metal) is coated with some manner of ground, i.e. A substance that resists the action of an acid that is used to ...

etching
Art history; General art history

An intaglio technique which uses chemical action to produce incised lines in a metal printing plate. The plate, traditionally copper but now usually zinc, is prepared with an ...

etching
Automotive; Automobile

(1) A roughening or disintegration of the paint surface, which can occur on small patches or over a wide area, through attack from bird droppings, soap deposits, industrial ...

etching
Engineering; Electronic engineering

1. Chemically eating away a metal to form a desired pattern, such as an etched circuit. 2. Thinning a quartz-crystal plate by slowly eroding one or both of its faces with ...

etch
Semiconductors; Silicon wafer

A solution,a mixture of solutions, or a mixture of gases that attacks the surfaces of a film or substrate, removing material either selectively or non-selectively.

sputter deposition
Semiconductors; Silicon wafer

Bombardment of a solid (target) by high energy chemically inert ions (e.g. Ar+); causes ejection of atoms from the target which are then redeposited on the surface of a substrate ...

wafer fabrication
Semiconductors; Silicon wafer

Process in which single crystal semiconductor ingot is fabricated and transformed by cutting, grinding,polishing, and cleaning into a circular wafer with desired diameter and ...

warp
Semiconductors; Silicon wafer

Deviation from a plane of a slice or wafer centerline containing both concave and convex regions.

wafer flat
Semiconductors; Silicon wafer

Flat area on the perimeter of the wafer; location and number of wafer flats contains information on crystal orientation of the wafer and the dopant type (n-type or p-type).

wafer diameter
Semiconductors; Silicon wafer

The linear distance across the surface of a circular slice which contains the slice center and excludes any flats or other peripheral fiduciary areas. Standard silicon wafer ...

wafer bonding
Semiconductors; Silicon wafer

Process in which two semiconductor wafers are bonded to form a single substrate; commonly applied to form SOI substrates; bonding of wafers of different materials, e.g. Gaas on ...

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