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31. 发明专利

JPH1045419A GLASS LENS HAVING GLASS COATING LAYER AND ITS PRODUCTION 失效
公开(公告)号：JPH1045419A
公开(公告)日：1998-02-17
申请号：JP20069196
申请日：1996-07-30
申请人： HOYA CORP , HOOYA PRECISION KK
发明人： HIROTA SHINICHIRO , OGAMI YUTAKA
IPC分类号： G02B1/02 , C03B11/00 , C03B11/08 , C03B11/14 , C03B23/22 , C03C17/00 , C03C17/02 , G02B3/02
摘要： PROBLEM TO BE SOLVED: To provide a process capable of producing a large-sized glass lens having a glass coating layer without the occurrence of crack even if cooling time is shortened. SOLUTION: This process for producing the glass lens is composed of fusing and integrating at least one of the glass layer 3 formed by pressure coating at least one surface of a glass base material 1 with a glass piece 2 to the glass base material 1. The glass transition temp. of the glass constituting the glass layer 3 is lower by >=40 deg.C than the glass transition temp. of the glass constituting the glass base material 1. In such a case, the difference in the average coefft. of linear expansion between the glass constituting the glass layer 3 and the glass constituting the glass base material 1 and the thickness of the glass layer 3 are so selected that the distortion quantity of the glass base material 1 in the positions of 4mm on the side inner from the outer periphery of the lens and 0.5mm from the boundary between the glass layer 3 and the glass base material 1 attains

32. 发明专利

JPH09142862A APPARATUS FOR CENTERING JOINED LENS 失效
公开(公告)号：JPH09142862A
公开(公告)日：1997-06-03
申请号：JP30159495
申请日：1995-11-20
申请人： OLYMPUS OPTICAL CO
发明人： OZAKI MASAHIKO
IPC分类号： G01B5/00 , B29C65/48 , B29D11/00 , B29L11/00 , C03B23/22 , G02B7/02
摘要： PROBLEM TO BE SOLVED: To carry out centering of high-quality joined lens so that unjoined face of the lower side lens become surely a standard of the lower side lens and strain is not formed in the lower side lens. SOLUTION: Cylinders 2, 3 and 4 are arranged on the outside of the lower side lens at an equal angle of 120 degree. When points separated by a distance (a) from center points O2a, 3b and 4a of the cylinders 2, 3 and 4 are each defined as eccentric points O'2b, 3b and 4b, the cylinders 2, 3 and 4 are connected to a pulse motor, etc., so as to synchronously rotate around the eccentric points 2b, 3b and 4b. The outer peripheral face 1a of the lower side lens 1 is clamped on the outer peripheral faces of the cylinders 2, 3 and 4 by the rotation. The motor is stopped by detection of torque and the position is detected and number pulse motor is returned to relux the clamp of the lens.

33. 发明专利

JPH0911063A JUNCTION LENS CENTERING DEVICE 失效
公开(公告)号：JPH0911063A
公开(公告)日：1997-01-14
申请号：JP16351795
申请日：1995-06-29
申请人： OLYMPUS OPTICAL CO
发明人： NAKAJIMA TAKAO , IWAMOTO SHOJI
IPC分类号： B23P19/04 , C03B23/22
摘要： PURPOSE: To mechanize fitting work and centering work by means of an inexpensive conveying device while securing centering precision. CONSTITUTION: A through hole 2 is bored in the first centering member 1. An outer circumference holding part 21 fitted to the outer circumferential face of a lower lens 16 is formed in the upper part of the through hole 2, and in the lower part of the outer circumference holding part 21, a lens receiving part 22 supporting the lower face of the lower lens 16 is formed. An introducing part 13 which is thicker than the diameter of an inner circumferential face fitting part 3a is formed in the lower part of the inner circumferential face fitting part 3a in the second centering member 3. A through hole 18 is formed in the second centering member 3, while a centering regulation part 24 is formed in the lower part of the through hole 18. A handling member 28 is formed into a circular recess shape so as to be provided to the upper end and the lower end of the outer circumference part of the second centering member 3. A pressing member 25 can be engaged with the handling member 28 while the predetermined horizontal clearance 26 and the predetermined vertical clearance 27 are left between them.

34. 发明专利

JPH06157057A APPARATUS FOR BONDING OPTICAL ELEMENT AND BONDING METHOD 失效
公开(公告)号：JPH06157057A
公开(公告)日：1994-06-03
申请号：JP32874092
申请日：1992-11-13
申请人： SONY CORP
发明人： IWANA KEIJI , YAMAMOTO FUMIYO
IPC分类号： C03B23/22 , C03C27/06 , G02B3/00 , G02B5/00
摘要： PURPOSE:To prevent the residue of voids in a bonded part by applying an adhesive to at least one of the optical elements to be bonded together and contacting the optical elements with each other under reduced pressure in such a manner as to keep a prescribed relative position. CONSTITUTION:An upper element receiving base 3 holding an optical element 7 (convex lens) is lowered and the lowering motion is stopped when the tip end of the inner circumferential wall is brought into contact with the top of the outer circumferential wall of the lower element receiving base 2 holding another optical element 4 (concave lens). A pressure-reducing valve 6a attached to the lower element receiving base 2 is opened to evacuate the closed space 15 formed between the upper and the lower element receiving bases 3, 2. After completing the pressure-reducing operation, the pressure-reducing valve 6d is closed and the upper element receiving base 2 is lowered again until the optical element 7 is brought into contact with the optical element 4. In the course of the lowering motion, the optical element 7 is made to contact with an adhesive 11 under reduced pressure and the space between the upper and the lower optical elements is filled with the adhesive 11 according to the lowering of the optical element 7 to obtain a composite optical element free from the residual voids in the adhesive layer between the upper and lower optical elements and in the boundary between the adhesive 11 and the optical element.

35. 发明专利

JPH05139769A METHOD FOR ASSEMBLING OPTICAL PARTS 失效
公开(公告)号：JPH05139769A
公开(公告)日：1993-06-08
申请号：JP32688191
申请日：1991-11-15
申请人： OLYMPUS OPTICAL CO
发明人： TATSUYAMA MASANOBU
IPC分类号： C03B11/14 , C03B23/22
摘要： PURPOSE:To provide a compact optical part set by integrally molding a cylindrical flask together with molding of a 1st lens with a pair of molds, then molding a 2nd lens with this cylindrical flask, thereby successively molding the lenses in multiple stages. CONSTITUTION:An optical material is heated to about 700 deg.C and inserted between an upper mold consisting of a stainless steel and a lower mold 4b and a lower mold 4a consisting of a cemented carbide. The optical material is then pressed by the upper mold and the lower molds 4a, 4b from the 1st optical part 1 and thereafter, upper mold is parted by slow cooling. The optical material having the transition point temp. lower than the transition point temp. of the part 1 is inserted into the flask formed of the optical part 1 and is press formed by the internal optical surface of the part 1 and the desired upper mold to form the optical part 2. After this upper mold is parted by slow cooling, the optical part is inserted into the flask formed by the part 2 and is pressed by the upper mold 7 to form the optical parts 1, 2, 3; thereafter, the upper mold 7 and the lower molds 4a, 4b are parted. These optical parts 1, 2, 3, are press welded and stuck to each other. The assembled optical parts are thus produced.

36. 发明专利

JPH0146453B2 失效
公开(公告)号：JPH0146453B2
公开(公告)日：1989-10-09
申请号：JP12996785
申请日：1985-06-17
申请人： HOYA CORP
发明人： ISHIBAI ISAO , HIROTA SHINICHIRO , IZUMITANI TETSUO
IPC分类号： C03B23/22 , C03B11/00 , C03B11/14

37. 发明专利

JPS5834417B2 失效
公开(公告)号：JPS5834417B2
公开(公告)日：1983-07-26
申请号：JP1867574
申请日：1974-02-18
申请人： AMERICAN OPTICAL CORP
发明人： UPTON L O
IPC分类号： C03B23/22 , C03C3/064 , C03C3/072 , C03C3/074 , C03C4/06 , G02B3/10 , G02C7/06 , G02C7/10

38. 发明专利

JPS5724894B2 JPS5724894B2 - 失效
公开(公告)号：JPS5724894B2
公开(公告)日：1982-05-26
申请号：JP10869877
申请日：1977-09-09
IPC分类号： C03B11/00 , C03B23/22 , C03C3/00 , C03C4/06 , G02B1/00 , G02B3/10 , G02C7/06 , G02C7/10
CPC分类号： C03B23/22 , G02C7/06 , G02C7/102

39. 发明专利

JPS5280694A METHOD OF MANUFACTURING ARTIFICIAL CRYSTALLINE LENS 失效
公开(公告)号：JPS5280694A
公开(公告)日：1977-07-06
申请号：JP14572176
申请日：1976-12-06
申请人： AMERICAN OPTICAL CORP
发明人： EMIIRU UORUFUGANGU DEIIGU , DEEBITSUDO AANORUDO KUROON
IPC分类号： A61F2/16 , C03B19/02 , C03B23/22

40. 发明专利

JPS49115113A 失效
公开(公告)号：JPS49115113A
公开(公告)日：1974-11-02
申请号：JP1867574
申请日：1974-02-18
申请人： AMERICAN OPTICAL CORP
发明人： UPTON L O
IPC分类号： C03B23/22 , C03C3/064 , C03C3/072 , C03C3/074 , C03C4/06 , G02B3/10 , G02C7/06 , G02C7/10

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