US5496619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly formed from conductive paste and insulating paste
Assignee: Panasonic Holdings Corp
•
Filing: 1994-06-06
•
Granted: 1996-03-05
•
Expires: 2014-06-06
Abstract
Abstract Conductive paste for via connection of a multilayer ceramic substrate, comprising: an inorganic component which consists of 30.0 to 70.0% by weight of powder of conductive material and the remainder being one of glass powder having a softening point higher than a starting point of sintering of insulating material and crystalline glass ceramic powder having a glass transition point higher than the starting point of sintering of the insulating material; and an organics vehicle component which consists of at least organic binder and solvent.
Inventors
- 👤 Minehiro Itagaki
- 👤 Kazuyuki Okano
- 👤 Suzushi Kimura
- 👤 Seiichi Nakatani
- 👤 Yoshihiro Bessho
- 👤 Satoru Yuhaku
- 👤 Yasuhiko Hakotani
- 👤 Kazuhiro Miura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:13
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/66; H10W70/666; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
90 words
An assembly comprising a multilayer ceramic substrate having an insulating material formed of an insulating paste comprising an insulating powder and a via connection formed of a conductive paste extending within said insulating material, said conductive paste comprising: an inorganic component which consists of 30.0 to 50.0% by weight of a powder of a conductive material and the remainder being a glass powder having a softening point higher than the starting point of sintering of said insulating powder; and an organic vehicle component which comprises an organic binder and solvent.
Claim 2
Dependent Claim
90 words
An assembly comprising a multilayer ceramic substrate having an insulating material formed of an insulating paste comprising an insulating powder and a via connection formed of a conductive paste extending within said insulating material, said conductive paste comprising: an inorganic component which consists of 30.0 to 50.0% by weight of a powder of a conductive material and the remainder being a glass powder having a softening point higher than the starting point of sintering of said insulating powder; and an organic vehicle component which comprises an organic binder and solvent.
Claim 3
Dependent Claim
32 words
Conductive paste as claimed in claim 1, wherein the conductive material is selected from the group consisting of silver, cupric oxide, ruthenium dioxide, gold, copper, palladium, platinum and nickel or alloys thereof.
Claim 4
Dependent Claim
92 words
An assembly comprising a multilayer ceramic substrate having an insulating material formed of an insulating paste comprising an insulating powder and a via connection formed of a conductive paste extending within said insulating material, said conductive paste comprising: an inorganic component which consists of 30.0 to 50.0% by weight of a powder of a conductive material and the remainder being a glass ceramic powder having a glass transition point higher than the starting point of sintering of said insulating powder; and an organic vehicle component which comprises an organic binder and solvent.
Claim 5
Dependent Claim
92 words
An assembly comprising a multilayer ceramic substrate having an insulating material formed of an insulating paste comprising an insulating powder and a via connection formed of a conductive paste extending within said insulating material, said conductive paste comprising: an inorganic component which consists of 30.0 to 50.0% by weight of a powder of a conductive material and the remainder being a glass ceramic powder having a glass transition point higher than the starting point of sintering of said insulating powder; and an organic vehicle component which comprises an organic binder and solvent.
Claim 6
Dependent Claim
32 words
Conductive paste as claimed in claim 3, wherein the conductive material is selected from the group consisting of silver, cupric oxide, ruthenium dioxide, gold, copper, palladium, platinum and nickel or alloy thereof.
References Cited (Backward Citations)
US3640738A
Cited
US4301324A
Cited
US4234367A
Cited
DE3115556A1
Cited
US4424251A
Cited
US4419279A
Cited
US4490429A
Cited
US4464420A
Cited
JPS58124248A
Cited
EP0133010A2
Cited
US4598167A
Cited
US4732798A
Cited
US4714570A
Cited
US4810528A
Cited
US4699888A
Cited
JPS6279691A
Cited
US4894184A
Cited
US4877555A
Cited
US4874550A
Cited
US4904415A
Cited
EP0396806A1
Cited
JPH0449277A
Cited
US5118643A
Cited
US5283104A
Cited
WO1993005632A1
Cited
US5336301A
Cited
US5270268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-03-05 | 1999-09-04 | 2000-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-05 | 2003-09-04 | 2004-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-05 | 2007-09-04 | 2008-03-05 | $7700.00 | Window Closed / Lapsed |