Electric component observation system

Details Electric component observation system Electric component observation system

1994-01-24

1995-05-30

Pham, Hoa Q.

Optics: measuring and testing

By polarized light examination

With light attenuation

29721, 29759, 348 87, G01B 1100

Patent

active

054206910

ABSTRACT:
An electronic component observation system includes a transparent stage for supporting thereon an electronic component which is being held by a vacuum nozzle of a transfer head, a lighting unit for illuminating outer leads of the electronic component from the above, and a camera for observing the outer leads from the underside of the transparent stage. When the electronic component being held by the vacuum nozzle is placed on the state, a deformation the outer leads is rectified. The lighting unit may include a presser portion engageable with the outer leads to force the outer leads against the stage, thereby positively shaping the outer leads into a correct form.

REFERENCES:
patent: 4130852 (1978-12-01), Peffer et al.
patent: 4628464 (1986-12-01), McConnell
patent: 4793707 (1988-12-01), Hata et al.
patent: 4803871 (1989-02-01), Harada et al.
patent: 4812666 (1989-03-01), Wistrand
patent: 4872052 (1989-10-01), Liudzius et al.
patent: 5131753 (1992-07-01), Pine et al.

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