Metal working – Means to assemble or disassemble – With signal – scale – illuminator – or optical viewer
Patent
1991-01-18
1992-07-21
Hall, Carl E.
Metal working
Means to assemble or disassemble
With signal, scale, illuminator, or optical viewer
29740, H05K 330
Patent
active
051311399
ABSTRACT:
A tapered surface is formed on a nozzle for picking up an electrical component and placing it on a printed circuit as a light diffusing surface. When a light is radiated to the tapered surface, the light is scattered, and the tapered surface becomes bright. Therefore, the electrical component is clearly observed as a black contour in the bright tapered surface by an observing unit.
REFERENCES:
patent: 4793707 (1988-12-01), Hata et al.
Nakashima Toshiaki
Oyama Kenshu
Hall Carl E.
Matsushita Electric - Industrial Co., Ltd.
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