JPS5245516A - Prduction process of tungsten - Google Patents

Prduction process of tungsten

Info

Publication number: JPS5245516A
Authority: JP; Japan
Prior art keywords: tungsten; prduction; bulbs; filaments; heaters
Prior art date: 1975-10-09
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.): Granted

Application number

JP50121276A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5611723B2 (2

Inventor

Isamu Koseki

Motoo Kiyomiya

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.)

Toshiba Corp

Original Assignee

Toshiba Corp

Tokyo Shibaura Electric 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.)

1975-10-09

Filing date

1975-10-09

Publication date

1977-04-11

1975-10-09 Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp

1975-10-09 Priority to JP50121276A priority Critical patent/JPS5245516A/ja

1977-04-11 Publication of JPS5245516A publication Critical patent/JPS5245516A/ja

1981-03-17 Publication of JPS5611723B2 publication Critical patent/JPS5611723B2/ja

Status Granted legal-status Critical Current

Links

WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract 3
229910052721 tungsten Inorganic materials 0.000 title abstract 3
239000010937 tungsten Substances 0.000 title abstract 3
239000002253 acid Substances 0.000 abstract 1
239000002019 doping agent Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
238000007738 vacuum evaporation Methods 0.000 abstract 1
238000005406 washing Methods 0.000 abstract 1

Landscapes

Powder Metallurgy (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)

JP50121276A 1975-10-09 1975-10-09 Prduction process of tungsten Granted JPS5245516A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP50121276A JPS5245516A (en)	1975-10-09	1975-10-09	Prduction process of tungsten

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50121276A JPS5245516A (en)	1975-10-09	1975-10-09	Prduction process of tungsten

Publications (2)

Publication Number	Publication Date
JPS5245516A true JPS5245516A (en)	1977-04-11
JPS5611723B2 JPS5611723B2 (2)	1981-03-17

Family

ID=14807237

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP50121276A Granted JPS5245516A (en)	1975-10-09	1975-10-09	Prduction process of tungsten

Country Status (1)

Country	Link
JP (1)	JPS5245516A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6169907A (ja) *	1984-09-14	1986-04-10	Nippon Tungsten Co Ltd	タングステン微粉末の製造法
JPS63179007A (ja) *	1987-01-20	1988-07-23	Daido Steel Co Ltd	タングステンもしくはタングステン化合物粉末の精製方法

1975
- 1975-10-09 JP JP50121276A patent/JPS5245516A/ja active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6169907A (ja) *	1984-09-14	1986-04-10	Nippon Tungsten Co Ltd	タングステン微粉末の製造法
JPS63179007A (ja) *	1987-01-20	1988-07-23	Daido Steel Co Ltd	タングステンもしくはタングステン化合物粉末の精製方法

Also Published As

Publication number	Publication date
JPS5611723B2 (2)	1981-03-17

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