US PATENT SUBCLASS 505 / 728
.~ Etching
Current as of:
June, 1999
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505 /
HD
SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS
725
DF
PROCESS OF MAKING OR TREATING HIGH Tc (ABOVE 30 K) SUPERCONDUCTING SHAPED MATERIAL, ARTICLE, OR DEVICE
{11}
728
.~ Etching
DEFINITION
Classification: 505/728
Etching:
(under subclass 725) Process involving the removal of superconducting material by any chemical or heating procedure that delineates a pattern or shape.