Endoscope image unit with circuit board having a hole therethrou

Details Endoscope image unit with circuit board having a hole therethrou Endoscope image unit with circuit board having a hole therethrou

1996-08-29

1998-08-25

Leubecker, John P.

Surgery

Endoscope

With camera or solid state imager

600130, 348 76, A61B 105

Patent

active

057978379

ABSTRACT:
An assembled body of an electronic endoscope which is capable of reducing the diameter of the endoscope and simplifying the structure thereof. The assembled body comprises an imaging device provided with a color filter and a microlens on the imaging plane, and an objective optical member connected to the imaging device. A circuit board with a wiring pattern and a through hole formed thereon and therein is inserted and adhered between the imaging plane of the imaging device and a prism as a part of the objective optical member. The terminals on the imaging device are connected to the terminals on the circuit board by contact bonding. Since the through hole in the circuit board forms an air gap on the imaging plane, it is possible to protect the color filter and the microlens.

REFERENCES:
patent: 4964697 (1990-10-01), Fuziwara
patent: 5040069 (1991-08-01), Matsumoto et al.
patent: 5430475 (1995-07-01), Goto et al.

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