Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making named article
Patent
1995-05-09
1996-06-18
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making named article
216 22, 216 39, 427129, 427130, G03F 700
Patent
active
055276636
ABSTRACT:
A magnetic medium comprises a substrate formed with a stepped pit and a magnetic substance buried in the stepped pit. A method of manufacturing a magnetic medium comprises the steps of forming a first groove in a substrate by photoetching and forming a second groove in the first groove or in a portion adjacent to the first groove by the photoetching. The second groove is different in depth from the first groove. The method further comprises the step of burying magnetic substances into the first and second grooves.
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Togawa Masayuki
Toyama Kiyoshi
Bowers Jr. Charles L.
Teijin Seiki Co. Ltd.
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