Illuminator for use in electronic component mounting apparatus and electronic component mounting apparatus having illuminator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 17, 2002
Grant Date -
N/A
app pub date -
Oct 12, 1999
filing date -
Oct 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An illuminator includes: a first cylindrical member with a mirror-like inner surface formed to facilitate light reflection; a flat plate member having an aperture in its center; LEDs with trimmed distal ends and arranged in a circle along the periphery of the aperture; LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the first cylindrical member so as to be located on a lengthwise middle part of the inner surface of the cylindrical member; a second cylindrical member having an engagement portion engaged with the cylindrical member, LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the engagement portion; and a ring-shaped semitransparent diffusion plate. The illuminators illuminate a to-be-mounted component with light having a directivity.
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