JPS5278783A - Treatment of fluorescent substance - Google Patents

Treatment of fluorescent substance

Info

Publication number
JPS5278783A
JPS5278783A JP15506375A JP15506375A JPS5278783A JP S5278783 A JPS5278783 A JP S5278783A JP 15506375 A JP15506375 A JP 15506375A JP 15506375 A JP15506375 A JP 15506375A JP S5278783 A JPS5278783 A JP S5278783A
Authority
JP
Japan
Prior art keywords
fluorescent substance
treatment
aftertreatment
produce
sulfuric acid
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
JP15506375A
Other languages
Japanese (ja)
Inventor
Shiyoushiyu Yamada
Osamu Kanehisa
Takeshi Kano
Masaki Nakano
Akira Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15506375A priority Critical patent/JPS5278783A/en
Publication of JPS5278783A publication Critical patent/JPS5278783A/en
Pending legal-status Critical Current

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  • Luminescent Compositions (AREA)

Abstract

PURPOSE: To produce a fluorescent substance of bright luminescence characteristics by the aftertreatment of Eu-activated oxysulfide of a rare earth element with sulfuric acid.
COPYRIGHT: (C)1977,JPO&Japio
JP15506375A 1975-12-26 1975-12-26 Treatment of fluorescent substance Pending JPS5278783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15506375A JPS5278783A (en) 1975-12-26 1975-12-26 Treatment of fluorescent substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15506375A JPS5278783A (en) 1975-12-26 1975-12-26 Treatment of fluorescent substance

Publications (1)

Publication Number Publication Date
JPS5278783A true JPS5278783A (en) 1977-07-02

Family

ID=15597846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15506375A Pending JPS5278783A (en) 1975-12-26 1975-12-26 Treatment of fluorescent substance

Country Status (1)

Country Link
JP (1) JPS5278783A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953545A1 (en) * 1998-04-22 1999-11-03 Osram Sylvania Inc. A method for improving the screen brightness of gadolinium oxysulfide x-ray phosphors
JP2009149914A (en) * 2009-04-07 2009-07-09 Toshiba Electronic Engineering Corp Method of manufacturing red light emitting phosphor
WO2017085294A1 (en) * 2015-11-18 2017-05-26 Polysecure Gmbh Material with marker for authentication and sorting of the material
WO2018211829A1 (en) * 2017-05-15 2018-11-22 根本特殊化学株式会社 Afterglowing acid sulfide fluorescent body, and luminescent composition for authentication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953545A1 (en) * 1998-04-22 1999-11-03 Osram Sylvania Inc. A method for improving the screen brightness of gadolinium oxysulfide x-ray phosphors
JP2009149914A (en) * 2009-04-07 2009-07-09 Toshiba Electronic Engineering Corp Method of manufacturing red light emitting phosphor
WO2017085294A1 (en) * 2015-11-18 2017-05-26 Polysecure Gmbh Material with marker for authentication and sorting of the material
WO2018211829A1 (en) * 2017-05-15 2018-11-22 根本特殊化学株式会社 Afterglowing acid sulfide fluorescent body, and luminescent composition for authentication

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