Stock material or miscellaneous articles – Perimeter or corner structure of sheet
Patent
1989-07-10
1990-07-31
Thomas, Alexander S.
Stock material or miscellaneous articles
Perimeter or corner structure of sheet
428192, 428220, 346 76PH, 219216, G01D 1510, B32B 104
Patent
active
049449834
ABSTRACT:
A sloped substrate for a thermal head made of ceramic for a thermal head of a thermosensitive printing device, in which a sloped surface of 200 .mu.m to 2,000 .mu.m in width is formed between a main plane surface of the substrate and a subplane surface thereof and a glaze is bonded by firing to the main plane and the subplane surfaces and the sloped surface so that the thickness of the glaze is 100 .mu.m or less.
REFERENCES:
patent: 4651168 (1987-03-01), Terajima et al.
Kato Masahiro
Nonoyama Osamu
NGK Spark Plug Co. Ltd.
Thomas Alexander S.
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