ES355281A2 - IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS - Google Patents

IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS

Info

Publication number
ES355281A2
ES355281A2 ES0355281A ES355281A ES355281A2 ES 355281 A2 ES355281 A2 ES 355281A2 ES 0355281 A ES0355281 A ES 0355281A ES 355281 A ES355281 A ES 355281A ES 355281 A2 ES355281 A2 ES 355281A2
Authority
ES
Spain
Prior art keywords
improvements made
luminescent materials
preparation
group
materials
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
Application number
ES0355281A
Other languages
Spanish (es)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Priority to ES0355281A priority Critical patent/ES355281A2/en
Publication of ES355281A2 publication Critical patent/ES355281A2/en
Expired legal-status Critical Current

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  • Luminescent Compositions (AREA)

Abstract

Improvements introduced in the object of the main patent No. 324,473 issued on November 17, 1966, for "Improvements made in the manufacture of luminescent materials" according to which said materials have an empirical formula M'(2-x) II''xO2 Ch wherein M'comprises at least one of the elements yttrium and/or gadolinium, M''is a member of the group consisting of dysprosium, erbium, europium, holmium, neodymium, praseodymium, samarium, terbium and tulium; O is oxygen, Ch is a member of the group consisting of S, Se, and Fu; x is between 0.0002 and 0.2; and where up to 25 mole percent of M'' is lanthanum and/or lutetium. (Machine-translation by Google Translate, not legally binding)
ES0355281A 1968-06-21 1968-06-21 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS Expired ES355281A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0355281A ES355281A2 (en) 1968-06-21 1968-06-21 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0355281A ES355281A2 (en) 1968-06-21 1968-06-21 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS

Publications (1)

Publication Number Publication Date
ES355281A2 true ES355281A2 (en) 1969-12-01

Family

ID=59278293

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0355281A Expired ES355281A2 (en) 1968-06-21 1968-06-21 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT MATERIALS

Country Status (1)

Country Link
ES (1) ES355281A2 (en)

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