JP2005317827A5 - - Google Patents

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Publication number
JP2005317827A5
JP2005317827A5 JP2004135227A JP2004135227A JP2005317827A5 JP 2005317827 A5 JP2005317827 A5 JP 2005317827A5 JP 2004135227 A JP2004135227 A JP 2004135227A JP 2004135227 A JP2004135227 A JP 2004135227A JP 2005317827 A5 JP2005317827 A5 JP 2005317827A5
Authority
JP
Japan
Prior art keywords
lead frame
pattern
workpiece
long body
connecting portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004135227A
Other languages
Japanese (ja)
Other versions
JP2005317827A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004135227A priority Critical patent/JP2005317827A/en
Priority claimed from JP2004135227A external-priority patent/JP2005317827A/en
Priority to SG200502571A priority patent/SG116647A1/en
Priority to CNB2005100679244A priority patent/CN100431119C/en
Priority to TW94113846A priority patent/TW200541037A/en
Publication of JP2005317827A publication Critical patent/JP2005317827A/en
Publication of JP2005317827A5 publication Critical patent/JP2005317827A5/ja
Pending legal-status Critical Current

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Claims (2)

長尺体からなる被加工材に、リードフレームのパターンと被加工材の長手方向に隣接するリードフレームの端縁間を連結する接続部のパターンとからなるエッチングパターンを形成し、
このエッチングパターンをマスクとして被加工材をエッチングすることにより、長手方向に連続するレール部が両側縁部に形成され、該レール部に前記接続部を介して個々のリードフレームが支持されたリードフレームの長尺体を形成し、
該リードフレームの長尺体から、シート状のリードフレームを得るリードフレームの製造方法であって、
前記接続部のパターンを、前記リードフレームのレール部間を連結する支持バーと、前記リードフレームを前記支持バーに吊持する支持片とを形成するパターンとして前記リードフレームの長尺体を形成し、
前記支持片と前記リードフレームの端縁との連結部を分離して前記シート状のリードフレームを得ることを特徴とするリードフレームの製造方法。 Forming an etching pattern consisting of a pattern of a lead frame and a pattern of a connecting portion connecting between the edges of the lead frame adjacent to each other in the longitudinal direction of the workpiece on a workpiece made of a long body,
By etching the workpiece using this etching pattern as a mask, a rail portion that is continuous in the longitudinal direction is formed on both side edges, and each lead frame is supported on the rail portion via the connecting portion. Form a long body of
A lead frame manufacturing method for obtaining a sheet-like lead frame from a long body of the lead frame,
A long body of the lead frame is formed as a pattern that forms a pattern of the connecting portion as a support bar for connecting between the rail portions of the lead frame and a support piece for suspending the lead frame on the support bar. ,
A method of manufacturing a lead frame, wherein the sheet-like lead frame is obtained by separating a connecting portion between the support piece and an end edge of the lead frame. 前記リードフレームのパターンとして、リードフレームを被加工材に多列に配置するパターンを設け、
リードフレームが多列に配置されたリードフレームの長尺体からシート状のリードフレームを得ることを特徴とする請求項１記載のリードフレームの製造方法。 As a pattern of the lead frame, a pattern for arranging the lead frame in multiple rows on the workpiece is provided,
2. The method of manufacturing a lead frame according to claim 1, wherein a sheet-like lead frame is obtained from an elongated lead frame in which the lead frames are arranged in multiple rows.
JP2004135227A 2004-04-30 2004-04-30 Method for manufacturing lead frame Pending JP2005317827A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004135227A JP2005317827A (en) 2004-04-30 2004-04-30 Method for manufacturing lead frame
SG200502571A SG116647A1 (en) 2004-04-30 2005-04-27 Lead frame manufacturing method.
CNB2005100679244A CN100431119C (en) 2004-04-30 2005-04-28 Manufacturing method of lead frame
TW94113846A TW200541037A (en) 2004-04-30 2005-04-29 Lead frame manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004135227A JP2005317827A (en) 2004-04-30 2004-04-30 Method for manufacturing lead frame

Publications (2)

Publication Number Publication Date
JP2005317827A JP2005317827A (en) 2005-11-10
JP2005317827A5 true JP2005317827A5 (en) 2008-08-28

Family

ID=35353134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004135227A Pending JP2005317827A (en) 2004-04-30 2004-04-30 Method for manufacturing lead frame

Country Status (4)

Country Link
JP (1) JP2005317827A (en)
CN (1) CN100431119C (en)
SG (1) SG116647A1 (en)
TW (1) TW200541037A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5367259B2 (en) * 2007-12-27 2013-12-11 新光電気工業株式会社 Bridge cutting method and lead frame strip
CN101937896A (en) * 2010-04-22 2011-01-05 苏州固锝电子股份有限公司 Lead frame for manufacturing rectifier
CN107195610A (en) * 2017-05-16 2017-09-22 四川旭茂微科技有限公司 A kind of lead frame of rectifier bridge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3183552B2 (en) * 1992-03-31 2001-07-09 新光電気工業株式会社 Manufacturing method of multilayer lead frame
JPH06188347A (en) * 1992-08-10 1994-07-08 Mitsui High Tec Inc Method and device for manufacturing lead frame
JPH09237927A (en) * 1995-12-26 1997-09-09 Toshiba Corp Semiconductor film forming method and solar cell manufacturing method
JP3269392B2 (en) * 1996-03-07 2002-03-25 凸版印刷株式会社 Lead frame structure
JPH1161442A (en) * 1997-08-26 1999-03-05 Toppan Printing Co Ltd Etching parts structural body
JP2000073186A (en) * 1998-08-28 2000-03-07 Mitsui High Tec Inc Production of etching product unit frame

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