Thick film getter paste compositions for use in moisture control
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01J-001/56
H01J-001/00
H01J-035/20
H01J-035/00
H01J-007/18
H01J-007/00
C03C-008/02
C03C-008/00
C03C-008/16
출원번호
US-0712670
(2003-11-13)
등록번호
US-7438829
(2008-10-21)
발명자
/ 주소
Cho,Yong
Cardellino,Terri
Tremel,James Daniel
출원인 / 주소
E.I. du Pont de Nemours and Company
인용정보
피인용 횟수 :
6인용 특허 :
13
초록▼
The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film getter composition comprising: (a) glass frit; and (b) desiccant material; dispersed in (c) organic medi
The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film getter composition comprising: (a) glass frit; and (b) desiccant material; dispersed in (c) organic medium. The present invention further relates to a getter composition utilizing low-softening temperature glasses comprising, based on weight %, 1-50% SiO2, 0-80% B2O3, 0-90% Bi2O3, 0-90% PbO, 0-90% P2O5, 0-60% Li2O, 0-30% Al2O3, 0-10% K2O, 0-10% Na2O, and 0-30% MO where M is selected from Ba, Sr, Ca, Zn, Cu, Mg and mixtures thereof. The glasses described herein may contain several other oxide constituents that can substitute glass network-forming elements or modify glass structure.
대표청구항▼
What is claimed is: 1. A screen-printable getter composition consisting of: (a) hygroscopic glass frit comprising Bi2O3 and 0.8-30 wt % Al2O3 dispersed in (b) organic medium comprising an organic polymeric binder and a volatile organic solvent, wherein the organic polymeric binder is selected from
What is claimed is: 1. A screen-printable getter composition consisting of: (a) hygroscopic glass frit comprising Bi2O3 and 0.8-30 wt % Al2O3 dispersed in (b) organic medium comprising an organic polymeric binder and a volatile organic solvent, wherein the organic polymeric binder is selected from the group consisting of ethyl cellulose, ethylhydroxyethyl cellulose, wood rosin, mixtures of ethyl cellulose and phenolic resins, polymethacrylates of lower alcohols, monobutyl ether of ethylene glycol monoacetate, and mixtures thereof and wherein the volatile organic solvent is selected from the group consisting of ethyl acetate, terpenes, kerosene, dibutylphthalate, butyl carbitol, butyl carbitol acetate, hexylene glycol, high boiling alcohols, alcohol esters, and mixtures thereof. 2. The getter composition of claim 1, wherein the organic medium comprises 30-55% weight percent, based on the total weight of the composition. 3. The getter composition of claim 1, wherein the hygroscopic glass frit comprises 5-55 weight percent, based on the total weight of the composition. 4. The getter composition of claim 3 wherein the hygroscopic glass frit comprises, based on weight of the hygroscopic glass frit 1-50% SiO2, 0-80% B2O3, 0-90% PbO, 0-90% P2O5, 0-60% Li2O, 0-10% K2O, 0-10% Na2O, and 0-30% MO where M is selected from Ba, Sr, Ca, Zn, Cu, Mg and mixtures thereof. 5. A method of moisture control comprising: (a) providing the getter composition of any one of claim 1; (b) applying said getter composition to a device; and (c) processing said getter composition and device to volatilize the organic polymeric binder and sinter the glass frit. 6. The method of claim 5 further comprising sealing said device.
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이 특허에 인용된 특허 (13)
Fischer John C. (Marietta GA), Desiccant-coated substrate and method of manufacture.
Sumi,Hiroshi; Suzumura,Masashi; Sakai,Tsutomu; Mizutani,Hidetoshi; Sato,Manabu, Dielectric material and dielectric sintered body, and wiring board using the same.
Bell Randall F. (Phillipsburg NJ) Kochanski Gregory P. (Dunellen NJ) Thomson ; Jr. John (Spring Lake NJ), Flat panel display apparatus, and method of making same.
Park, Jong-Wuk; Kim, Min-Seo; Lee, Jong-Taik, Lead free glass frit powder for manufacturing silicon solar cell, its producing method, metal paste composition containing the same and silicon solar cell.
Wang, Carl B.; Roach, Christopher John; Chang, Fong-Pei, Thick film getter paste compositions with pre-hydrated desiccant for use in atmosphere control.
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