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公开(公告)号:DE3585437D1
公开(公告)日:1992-04-02
申请号:DE3585437
申请日:1985-12-13
Applicant: IBM
Inventor: GELORME JEFFREY DONALD , LAWRENCE WILLIAM HOWELL , SLOTA JR
Abstract: The surface of a substrate is roughened by providing a substrate which comprises a resinous material and an inorganic particulate material; and etching a surface of the substrate to selectively etch the resinous material and thereby produce the roughened surface. The preferred etching process is a dry etching process.
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公开(公告)号:BR8905837A
公开(公告)日:1990-06-12
申请号:BR8905837
申请日:1989-11-20
Applicant: IBM
Inventor: ANGELO RAYMOND WILLIAM , GELORME JEFFREY DONALD , KUCZYNSKI JOSEPH PAUL , LAWRENCE WILLIAM HOWELL , PAPPAS SOCRATES PETER , SIMPSN LOGAN LLOYD
IPC: C07C381/12 , C08G59/00 , C08G59/18 , C08G59/68 , G03F7/029 , C07C309/04 , C07C309/08 , C07C309/23 , C08L63/00
Abstract: Sulfonium salts of the formula: wherein Ar is a fused aromatic radical; R1 is a divalent organic bridge; each R2 and R3 individually is an alkyl, aryl, alkaryl, aralkyl or substituted aryl, provided that not more than one of R2 and R3 is alkyl; and A is a non-nucleophilic anion; use thereof and preparation thereof.
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公开(公告)号:BR8900664A
公开(公告)日:1989-10-10
申请号:BR8900664
申请日:1989-02-15
Applicant: IBM
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