JPH0327621B2 - - Google Patents

Info

Publication number
JPH0327621B2
JPH0327621B2 JP61240438A JP24043886A JPH0327621B2 JP H0327621 B2 JPH0327621 B2 JP H0327621B2 JP 61240438 A JP61240438 A JP 61240438A JP 24043886 A JP24043886 A JP 24043886A JP H0327621 B2 JPH0327621 B2 JP H0327621B2
Authority
JP
Japan
Prior art keywords
printed circuit
cemented carbide
circuit board
carbide
powder
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.)
Expired - Lifetime
Application number
JP61240438A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6396244A (ja
Inventor
Takeshi Saito
Mitsuo Ueki
Keiichi Kobori
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.)
Tungaloy Corp
Original Assignee
Toshiba Tungaloy Co Ltd
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 Toshiba Tungaloy Co Ltd filed Critical Toshiba Tungaloy Co Ltd
Priority to JP24043886A priority Critical patent/JPS6396244A/ja
Publication of JPS6396244A publication Critical patent/JPS6396244A/ja
Publication of JPH0327621B2 publication Critical patent/JPH0327621B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP24043886A 1986-10-09 1986-10-09 プリント基板の穴あけ工具部品用超硬合金 Granted JPS6396244A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24043886A JPS6396244A (ja) 1986-10-09 1986-10-09 プリント基板の穴あけ工具部品用超硬合金

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24043886A JPS6396244A (ja) 1986-10-09 1986-10-09 プリント基板の穴あけ工具部品用超硬合金

Publications (2)

Publication Number Publication Date
JPS6396244A JPS6396244A (ja) 1988-04-27
JPH0327621B2 true JPH0327621B2 (enrdf_load_stackoverflow) 1991-04-16

Family

ID=17059492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24043886A Granted JPS6396244A (ja) 1986-10-09 1986-10-09 プリント基板の穴あけ工具部品用超硬合金

Country Status (1)

Country Link
JP (1) JPS6396244A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01215947A (ja) * 1988-02-24 1989-08-29 Toshiba Tungaloy Co Ltd 切削又は切断工具部材用超硬合金
JPH01255642A (ja) * 1988-04-05 1989-10-12 Tokyo Tungsten Co Ltd 耐食性を有する超硬合金製ドットピン及びその超硬合金材料
JP2010121735A (ja) * 2008-11-20 2010-06-03 Motoyama Eng Works Ltd 弁
CN109266937A (zh) * 2018-11-28 2019-01-25 江苏沛源泵业制造有限公司 一种钻头建筑机械材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948506A (enrdf_load_stackoverflow) * 1972-09-13 1974-05-10
JPS6020844A (ja) * 1983-07-13 1985-02-02 Hitachi Ltd 加工・組立相互負荷平準化生産方法
JPS6112847A (ja) * 1984-06-26 1986-01-21 Mitsubishi Metal Corp 微細な炭化タングステン粒子を含有する超硬合金

Also Published As

Publication number Publication date
JPS6396244A (ja) 1988-04-27

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