JPS5287877A - Incandescent lamp - Google Patents

Incandescent lamp

Info

Publication number
JPS5287877A
JPS5287877A JP350976A JP350976A JPS5287877A JP S5287877 A JPS5287877 A JP S5287877A JP 350976 A JP350976 A JP 350976A JP 350976 A JP350976 A JP 350976A JP S5287877 A JPS5287877 A JP S5287877A
Authority
JP
Japan
Prior art keywords
incandescent lamp
lamp
blackened
zro
zno
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.)
Granted
Application number
JP350976A
Other languages
Japanese (ja)
Other versions
JPS5714538B2 (en
Inventor
Fukashi Hiraike
Takashi Ito
Shozo Miyamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP350976A priority Critical patent/JPS5287877A/en
Publication of JPS5287877A publication Critical patent/JPS5287877A/en
Publication of JPS5714538B2 publication Critical patent/JPS5714538B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the surface of an incandescent lamp from being blackened and to improve the reliability of life or the like by coating fine powder of SiO2, ZrO2, ZnO, TiO2, etc. having extremely small amount of Fe content on the inner surface of the bulb of the lamp.
COPYRIGHT: (C)1977,JPO&Japio
JP350976A 1976-01-14 1976-01-14 Incandescent lamp Granted JPS5287877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP350976A JPS5287877A (en) 1976-01-14 1976-01-14 Incandescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP350976A JPS5287877A (en) 1976-01-14 1976-01-14 Incandescent lamp

Publications (2)

Publication Number Publication Date
JPS5287877A true JPS5287877A (en) 1977-07-22
JPS5714538B2 JPS5714538B2 (en) 1982-03-25

Family

ID=11559316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP350976A Granted JPS5287877A (en) 1976-01-14 1976-01-14 Incandescent lamp

Country Status (1)

Country Link
JP (1) JPS5287877A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630454B2 (en) * 1987-09-30 1994-04-20 富士通テン株式会社 Wireless device

Also Published As

Publication number Publication date
JPS5714538B2 (en) 1982-03-25

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