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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0266294 (1994-06-27) |
우선권정보 | DE-0009545 U (1993-06-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 0 |
An endoscopic instrument includes an elongate shaft with an optical system arranged therein. The shaft is closed off at least its distal end by a window which is firmly and tightly connected to the shaft. The closure window is constructed of spinel or yttrium-aluminum-garnet. The spinel may be cubic
In an endoscopic instrument including an elongated shaft, an optical observation system arranged therein, and at least one closure window, the shaft having at least one opening closed by said closure window which is firmly and tightly connected with the shaft, the improvement comprising the closure
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