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Chemical vapour deposition diamond coated microtools for grinding, milling and drilling

 
: Gäbler, J.; Schäfer, L.; Westermann, H.

:

Diamond and Related Materials 9 (2000), No.3-6, pp.921-924
ISSN: 0925-9635
English
Journal Article
Fraunhofer IST ()
application; diamond coated tools; filament; micromachining

Abstract
The coating of cemented carbide microtools with chemical vapour deposition (CVD) diamond is presented. The coating of the shaft tools with working dimensions between 1 and 0.05 mm in a hot-filament CVD reactor is shown. Application examples of grinding brittle materials and drilling printed circuit boards show the high performance of the new tools. A new method is presented for obtaining a rough surface without the need for thick diamond layers. This is important in manufacturing grinding tools designed for high material removal in short, economical coating processes.

: http://publica.fraunhofer.de/documents/N-1731.html