JP2009014759A5 - - Google Patents

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Publication number
JP2009014759A5
JP2009014759A5 JP2007173088A JP2007173088A JP2009014759A5 JP 2009014759 A5 JP2009014759 A5 JP 2009014759A5 JP 2007173088 A JP2007173088 A JP 2007173088A JP 2007173088 A JP2007173088 A JP 2007173088A JP 2009014759 A5 JP2009014759 A5 JP 2009014759A5
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JP
Japan
Prior art keywords
thin plate
light
plate member
protruding member
adjusting blade
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Application number
JP2007173088A
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Japanese (ja)
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JP5201891B2 (en
JP2009014759A (en
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Priority to JP2007173088A priority Critical patent/JP5201891B2/en
Priority claimed from JP2007173088A external-priority patent/JP5201891B2/en
Priority to US12/018,102 priority patent/US7934877B2/en
Priority to CN200810004706A priority patent/CN100595663C/en
Priority to CN2010100028422A priority patent/CN101846863B/en
Publication of JP2009014759A publication Critical patent/JP2009014759A/en
Publication of JP2009014759A5 publication Critical patent/JP2009014759A5/ja
Application granted granted Critical
Publication of JP5201891B2 publication Critical patent/JP5201891B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (9)

遮光性を有する薄板部材と、レーザ光により前記薄板部材に接合される突起部材とを備える光量調節羽根において、
前記突起部材はレーザ光透過性樹脂から成る円断面の中実部材であると共に、前記薄板部材はレーザ光吸収性樹脂から成り、
前記突起部材は、前記薄板部材に接合される端部に前記薄板部材と当接する当接面を有し、
前記当接面の直径は、前記突起部材の外径より小さいことを特徴とする光量調節羽根。 In a light quantity adjusting blade comprising a thin plate member having a light shielding property and a protruding member joined to the thin plate member by laser light,
The protruding member is a solid member having a circular cross section made of a laser light transmitting resin, and the thin plate member is made of a laser light absorbing resin,
The protruding member has an abutting surface that abuts on the thin plate member at an end joined to the thin plate member,
The light amount adjusting blade , wherein the diameter of the contact surface is smaller than the outer diameter of the protruding member . 前記レーザ光は、前記突起部材を透過して前記薄板部材に照射されることにより、前記薄板部材上に照射スポットを形成し、The laser beam is irradiated to the thin plate member through the protruding member, thereby forming an irradiation spot on the thin plate member,
前記照射スポットの外径Ｄ４は、前記突起部材の外径をＤ１とするとき、Ｄ４＜Ｄ１の関係を満たす値であることを特徴とする請求項１記載の光量調節羽根。The light amount adjusting blade according to claim 1, wherein the outer diameter D4 of the irradiation spot is a value satisfying a relationship of D4 <D1 when the outer diameter of the protruding member is D1. 遮光性を有する薄板部材と、前記薄板部材に接合される突起部材とを備える光量調節羽根において、
前記突起部材はレーザ光吸収性樹脂から成る円断面の中実部材であると共に、前記薄板部材は、前記突起部材と当接する部分がレーザ光透過性樹脂から成り、
前記突起部材は、前記薄板部材に接合される端部に前記薄板部材と当接する当接面を有し、
前記当接面の直径は、前記突起部材の外径より小さいことを特徴とする光量調節羽根。 In a light amount adjusting blade comprising a thin plate member having a light shielding property and a protruding member joined to the thin plate member,
The projecting member is a solid member having a circular cross section made of a laser light absorbing resin, and the thin plate member is made of a laser light transmitting resin at a portion in contact with the projecting member,
The protruding member has an abutting surface that abuts on the thin plate member at an end joined to the thin plate member,
The light amount adjusting blade , wherein the diameter of the contact surface is smaller than the outer diameter of the protruding member . 前記レーザ光は、前記薄板部材の前記突起部材と当接する部分を透過して前記突起部材の前記当接面に照射されることにより、前記突起部材上に照射スポットを形成し、
前記照射スポットの外径Ｄ４は、前記突起部材の外径をＤ１とするとき、Ｄ４＜Ｄ１の関係を満たす値であることを特徴とする請求項３記載の光量調節羽根。 The laser beam passes through a portion of the thin plate member that contacts the protruding member and is irradiated to the contact surface of the protruding member , thereby forming an irradiation spot on the protruding member .
4. The light quantity adjusting blade according to claim 3 , wherein the outer diameter D4 of the irradiation spot is a value satisfying a relationship of D4 <D1 when the outer diameter of the protruding member is D1. 前記突起部材の当接面が円環形状となるように、前記当接面に凹部を形成することを特徴とする請求項１乃至４のいずれか１項に記載の光量調節羽根。 Wherein as abutment surface of the projecting member is an annular shape, the light amount adjusting blade according to any one of claims 1 to 4, characterized in that forming a recess in the abutment surface. 前記面取り部は、段付き形状を有することを特徴とする請求項１乃至５のいずれか１項に記載の光量調節羽根。 The light amount adjusting blade according to any one of claims 1 to 5 , wherein the chamfered portion has a stepped shape. 前記薄板部材は、開口量を規制する羽根部材であり、前記突起部材は、前記薄板部材の動作を規制する軸部材であることを特徴とする請求項１乃至６のいずれか１項に記載の光量調節羽根。 The thin member is a blade member for regulating the amount of opening, the projection member, as claimed in any one of claims 1 to 6, characterized in that a shaft member for regulating the operation of the thin plate members Light quantity adjustment blade. 前記レーザ光吸収性樹脂は、ポリエチレンテレフタレートを主成分とする材料であり、前記レーザ光透過性樹脂は、ポリカーボネートを主成分とする材料であることを特徴とする請求項１乃至８のいずれか１項に記載の光量調節羽根。 The laser-absorbing resin is a material mainly composed of polyethylene terephthalate, said laser light transmitting resin, any one of claims 1 to 8, characterized in that a material mainly composed of polycarbonate The light quantity adjustment blade according to Item. 請求項１乃至８のいずれか１項に記載の光量調節羽根によって光束の量を調節する光量調節装置。 Light amount adjustment device for adjusting the amount of the light beam by the light amount adjusting blade according to any one of claims 1 to 8.
JP2007173088A 2007-02-23 2007-06-29 Light amount adjusting blade and light amount adjusting device Expired - Fee Related JP5201891B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007173088A JP5201891B2 (en) 2007-06-29 2007-06-29 Light amount adjusting blade and light amount adjusting device
US12/018,102 US7934877B2 (en) 2007-02-23 2008-01-22 Diaphragm blade, method of manufacturing the same, and light quantity controller having the same
CN200810004706A CN100595663C (en) 2007-02-23 2008-01-23 Diaphragm blade, method of manufacturing the same, and light quantity controller having the same
CN2010100028422A CN101846863B (en) 2007-02-23 2008-01-23 Light intensity controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007173088A JP5201891B2 (en) 2007-06-29 2007-06-29 Light amount adjusting blade and light amount adjusting device

Publications (3)

Publication Number Publication Date
JP2009014759A JP2009014759A (en) 2009-01-22
JP2009014759A5 true JP2009014759A5 (en) 2010-08-05
JP5201891B2 JP5201891B2 (en) 2013-06-05

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Application Number Title Priority Date Filing Date
JP2007173088A Expired - Fee Related JP5201891B2 (en) 2007-02-23 2007-06-29 Light amount adjusting blade and light amount adjusting device

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JP (1) JP5201891B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013011713A (en) * 2011-06-29 2013-01-17 Nisca Corp Light quantity adjustment device and imaging apparatus including the same

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JPS58107816U (en) * 1982-01-14 1983-07-22 株式会社東芝 Weld structure
JPH0641223Y2 (en) * 1986-10-15 1994-10-26 キヤノン株式会社 Exposure control blades
JPS63123030A (en) * 1986-11-12 1988-05-26 Canon Electronics Inc Manufacture of blade for exposure control
JPH0668595B2 (en) * 1986-11-13 1994-08-31 キヤノン株式会社 Method for manufacturing exposure control blades
JP2707622B2 (en) * 1988-08-26 1998-02-04 ミノルタ株式会社 Exposure control blade and manufacturing method thereof
JPH0451454A (en) * 1990-06-18 1992-02-19 Furukawa Battery Co Ltd:The Method for fusion attachment of storage battery jar and lid
JPH05325921A (en) * 1992-05-19 1993-12-10 Matsushita Electric Ind Co Ltd Sealed lead-acid battery
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