Seed crystal

Seed crystal

Single crystal material used in crystal growing to set a pattern for the growth of material in which this pattern is reproduced.

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Part of Speech: noun
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Industry/Domain: Semiconductors
Category: Silicon wafer
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seed crystal

Semiconductors; Silicon wafer

Single crystal material used in crystal growing to set a pattern for the growth of material in which this pattern is reproduced.

crystal

Chemistry; Materials chemistry

A solid made of atoms that are arranged in a particular shape, such as a cube. The shape is repeated over and over within a solid.

crystal

Manufacturing; Plastic injection molding

A homogeneous solid having an orderly and repetitive three-dimensional arrangement of its atoms.

crystal

Semiconductors; Silicon wafer

Solid featuring periodic spatial arrangement of atoms throughout the entire piece of material.

crystal

Chronometry; Clock

Flat or convex piece of glass that covers the dial. Usually fitted into a brass bezel.

crystal

Earth science; Soil science

A regular arrangement of atoms in space.

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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