Simultaneous formation of garnet epilayer on a plurality of subs

Details Simultaneous formation of garnet epilayer on a plurality of subs Simultaneous formation of garnet epilayer on a plurality of subs

1980-02-19

1981-07-07

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427128, 427130, B05D 512

Patent

active

042775191

ABSTRACT:
A specific set of processing steps in the batch production of garnet epilayers yields excellent quality and reproducibility. The process requires (1) agitation of the melt before growth, (2) heat stabilization of the substrates upon extraction from the melt, and (3) extraction from the melt so that the major surfaces of the substrates leave the melt at an angle to the melt surface. Use of these processing steps avoids defects common to batch processing such as fracture of a fraction of the substrates, sever non-uniform properties through the epilayers, and mesa formation on the epilayer.

REFERENCES:
patent: 3486937 (1969-12-01), Linares

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