JPS57132909A - Method of manufacturing circuit board - Google Patents

Method of manufacturing circuit board

Info

Publication number
JPS57132909A
JPS57132909A JP1643681A JP1643681A JPS57132909A JP S57132909 A JPS57132909 A JP S57132909A JP 1643681 A JP1643681 A JP 1643681A JP 1643681 A JP1643681 A JP 1643681A JP S57132909 A JPS57132909 A JP S57132909A
Authority
JP
Japan
Prior art keywords
circuit board
flat finishing
flatly
finished
cutting tool
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
JP1643681A
Other languages
English (en)
Inventor
Mamoru Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEIKO KEIYO KOGYO KK
SEIKOO KEIYO KOGYO KK
SEIKOO KEIYOU KOGYO KK
Original Assignee
SEIKO KEIYO KOGYO KK
SEIKOO KEIYO KOGYO KK
SEIKOO KEIYOU KOGYO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SEIKO KEIYO KOGYO KK, SEIKOO KEIYO KOGYO KK, SEIKOO KEIYOU KOGYO KK filed Critical SEIKO KEIYO KOGYO KK
Priority to JP1643681A priority Critical patent/JPS57132909A/ja
Publication of JPS57132909A publication Critical patent/JPS57132909A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/26—Making square or polygonal holes in workpieces, e.g. key holes in tools
JP1643681A 1981-02-06 1981-02-06 Method of manufacturing circuit board Pending JPS57132909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1643681A JPS57132909A (en) 1981-02-06 1981-02-06 Method of manufacturing circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1643681A JPS57132909A (en) 1981-02-06 1981-02-06 Method of manufacturing circuit board

Publications (1)

Publication Number Publication Date
JPS57132909A true JPS57132909A (en) 1982-08-17

Family

ID=11916176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1643681A Pending JPS57132909A (en) 1981-02-06 1981-02-06 Method of manufacturing circuit board

Country Status (1)

Country Link
JP (1) JPS57132909A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04203617A (ja) * 1990-11-30 1992-07-24 Ebara Corp セラミックス製動圧軸受の溝加工方法
JP2009220218A (ja) * 2008-03-17 2009-10-01 Jtekt Corp エンドミルによるポケット切削方法
CN108127150A (zh) * 2017-11-30 2018-06-08 广州兴森快捷电路科技有限公司 轻小薄尺寸板件加工方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04203617A (ja) * 1990-11-30 1992-07-24 Ebara Corp セラミックス製動圧軸受の溝加工方法
JP2009220218A (ja) * 2008-03-17 2009-10-01 Jtekt Corp エンドミルによるポケット切削方法
CN108127150A (zh) * 2017-11-30 2018-06-08 广州兴森快捷电路科技有限公司 轻小薄尺寸板件加工方法
CN108127150B (zh) * 2017-11-30 2019-11-08 广州兴森快捷电路科技有限公司 轻小薄尺寸板件加工方法

Similar Documents

Publication Publication Date Title
DE3483531D1 (de) Verfahren zum herstellen einer integrierten halbleiterschaltkreisanordnung mit einem misfet.
PL203246A1 (pl) Sposob wytwarzania mocznika w procesie polaczonym z wytwarzaniem amoniaku
JPS57132909A (en) Method of manufacturing circuit board
JPS52138798A (en) Method of manufacturing shell mould for use in discharge machining tool
JPS5368499A (en) Method of shaping laser beam used for machining
JPS5639821A (en) Thread cutting method
JPS577143A (en) Substrate for carrying semiconductor
JPS5439297A (en) Wire-cut processing method
PL205024A1 (pl) Sposob wytwarzania mocznika w procesie polaczonym z wytwarzaniem amoniaku
JPS532773A (en) Machine tool
JPS5624962A (en) Manufacture of lead frame for semiconductor device
JPS5427772A (en) Production of semiconductor devices
JPS52135497A (en) Wire cut discharge treatment process
JPS534106A (en) Nozzle engineering work method for turbine
JPS52137871A (en) Facility for machining article
JPS57156140A (en) Manufacture of pressure forging mold
JPS6461041A (en) Lead frame
JPS6427722A (en) Method for working pipe
JPS5253599A (en) Method of electrical discharge machining
JPS53136797A (en) Wire cut discharge working method
JPS51133895A (en) Laser machining
JPS5363679A (en) Machining method in use of nc machine
JPS5399160A (en) Manufacturing method for jointing part of 2 pieces of structures
JPS5419032A (en) Partitioned runner
JPS5672175A (en) Holing work method