Endoscope
The invention provides an endoscope and aims to reduce the size and the cost of an endoscope. An endoscope includes: a lens unit 35 in which lenses L1, L2, L3 are accommodated in a lens support member39; an image sensor 33 having an imaging area 41 covered with sensor cover glass 43; a bonding resin...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an endoscope and aims to reduce the size and the cost of an endoscope. An endoscope includes: a lens unit 35 in which lenses L1, L2, L3 are accommodated in a lens support member39; an image sensor 33 having an imaging area 41 covered with sensor cover glass 43; a bonding resin 37 with which the lens unit 35 is fixed to the sensor cover glass 43 such that the optical axes ofthe lenses L1, L2, L3 coincide with the center of the imaging area 41; a front end part 15 whose Dmax is formed in a range from a limited diameter to 1.8mm which is generally equal to that of an excircle of a base plate of the camera element 33 that can be segmented; a mold part 65 fixing at least one part of the lens part 35 and the camera element 33 with mold resin 17 through covering; and a tubular sheath 61 formed to have identical diameter with the front end part 15 and covering at least one part of the mold part 65.
本发明提供种内窥镜。对于内窥镜实现小型化、成本降低。在内窥镜中设置有:透镜部件(35),其将透镜(L1、L2、L3)收容于透镜支承构件(39);摄像元件(33),其摄像面(41)被元件护罩玻璃( |
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