JPH037749B2 - - Google Patents

Info

Publication number
JPH037749B2
JPH037749B2 JP56154876A JP15487681A JPH037749B2 JP H037749 B2 JPH037749 B2 JP H037749B2 JP 56154876 A JP56154876 A JP 56154876A JP 15487681 A JP15487681 A JP 15487681A JP H037749 B2 JPH037749 B2 JP H037749B2
Authority
JP
Japan
Prior art keywords
pores
tungsten
temperature
filament
wire
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
JP56154876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5858260A (ja
Inventor
Osamu Yamazaki
Tadashi Shimizu
Shinichi Ogura
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
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.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP15487681A priority Critical patent/JPS5858260A/ja
Publication of JPS5858260A publication Critical patent/JPS5858260A/ja
Publication of JPH037749B2 publication Critical patent/JPH037749B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
JP15487681A 1981-10-01 1981-10-01 管球用タングステン線材 Granted JPS5858260A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15487681A JPS5858260A (ja) 1981-10-01 1981-10-01 管球用タングステン線材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15487681A JPS5858260A (ja) 1981-10-01 1981-10-01 管球用タングステン線材

Publications (2)

Publication Number Publication Date
JPS5858260A JPS5858260A (ja) 1983-04-06
JPH037749B2 true JPH037749B2 (cs) 1991-02-04

Family

ID=15593862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15487681A Granted JPS5858260A (ja) 1981-10-01 1981-10-01 管球用タングステン線材

Country Status (1)

Country Link
JP (1) JPS5858260A (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53726B2 (cs) * 1973-03-31 1978-01-11
JPS50127815A (cs) * 1974-03-28 1975-10-08

Also Published As

Publication number Publication date
JPS5858260A (ja) 1983-04-06

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