IE821840L - Silver filled glass - Google Patents
Silver filled glassInfo
- Publication number
- IE821840L IE821840L IE821840A IE184082A IE821840L IE 821840 L IE821840 L IE 821840L IE 821840 A IE821840 A IE 821840A IE 184082 A IE184082 A IE 184082A IE 821840 L IE821840 L IE 821840L
- Authority
- IE
- Ireland
- Prior art keywords
- paste
- silver
- packages
- attachment
- gold
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/51—Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
- C04B41/5116—Ag or Au
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Conductive Materials (AREA)
- Glass Compositions (AREA)
- Die Bonding (AREA)
Abstract
A silver metallizing paste for attachment of silicon semi-conductive devices in lead-frame packages, specifically ceramic packages, which is less expensive than a gold preform but useable in hermetic packages, and provides better electrical and thermal conductivity, and higher bond strength, than silver polyimides. From 25 to 95% of silver is blended with a low-melting glass, preferably one having 95-96% PbO, and a paste or ink is formed with a suitable vehicle at 75-86% solids. Use of the paste follows conventional practice. Selection of Ag:glass ratio depends on the type of die bonding to be used. The paste is particularly useful in MOS technology, where low contact resistance is required, and also finds applications as a solder substitute and bonding chip capacitors. It is most advantageous in attachment of larger- area integrated circuits in that stress cracking associated with the gold silicon eutectic is avoided.
[GB2103250A]
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28789281A | 1981-08-03 | 1981-08-03 | |
US06/355,719 US4401767A (en) | 1981-08-03 | 1982-03-08 | Silver-filled glass |
Publications (2)
Publication Number | Publication Date |
---|---|
IE821840L true IE821840L (en) | 1983-02-03 |
IE53305B1 IE53305B1 (en) | 1988-10-12 |
Family
ID=26964708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE1840/82A IE53305B1 (en) | 1981-08-03 | 1982-07-30 | Silver-filled glass |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH652737A5 (en) |
DE (1) | DE3227815A1 (en) |
FR (1) | FR2513240B1 (en) |
GB (1) | GB2103250B (en) |
IE (1) | IE53305B1 (en) |
NL (1) | NL8203081A (en) |
PH (1) | PH19754A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3414065A1 (en) * | 1984-04-13 | 1985-12-12 | Siemens AG, 1000 Berlin und 8000 München | Configuration comprising at least one electronic component fixed on a substrate, and process for fabricating a configuration of this type |
US4699888A (en) * | 1985-09-16 | 1987-10-13 | Technology Glass Corporation | Die/attach composition |
US4906596A (en) * | 1987-11-25 | 1990-03-06 | E. I. Du Pont De Nemours & Co. | Die attach adhesive composition |
GB8730196D0 (en) * | 1987-12-24 | 1988-02-03 | Johnson Matthey Plc | Silver-filled glass |
DE3837300A1 (en) * | 1988-11-03 | 1990-05-23 | Messerschmitt Boelkow Blohm | Method for producing microelectronic circuits and hybrids |
US5180523A (en) * | 1989-11-14 | 1993-01-19 | Poly-Flex Circuits, Inc. | Electrically conductive cement containing agglomerate, flake and powder metal fillers |
DE19816309B4 (en) * | 1997-04-14 | 2008-04-03 | CiS Institut für Mikrosensorik gGmbH | Method for direct mounting of silicon sensors and sensors manufactured thereafter |
DE102012206362B4 (en) * | 2012-04-18 | 2021-02-25 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Circuit arrangement for thermally conductive chip assembly and manufacturing process |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2385580A (en) * | 1944-07-01 | 1945-09-25 | Du Pont | Vitrifiable flux and bonding composition containing same |
DE1646882B1 (en) * | 1965-07-29 | 1970-11-19 | Du Pont | Precious metal mass to be burned onto ceramic carriers |
SU391187A1 (en) * | 1971-04-06 | 1973-07-25 | PASTE FOR METALIZATION OF CERAMICS | |
US3824127A (en) * | 1971-12-22 | 1974-07-16 | Du Pont | Disc capacitor silver compositions |
JPS5116344A (en) * | 1974-07-31 | 1976-02-09 | Fujikura Kasei Kk | Bodongarasuno netsusenyotoryo |
-
1982
- 1982-07-26 DE DE19823227815 patent/DE3227815A1/en not_active Withdrawn
- 1982-07-27 PH PH27636A patent/PH19754A/en unknown
- 1982-07-29 CH CH4606/82A patent/CH652737A5/en not_active IP Right Cessation
- 1982-07-30 IE IE1840/82A patent/IE53305B1/en unknown
- 1982-07-30 GB GB08222054A patent/GB2103250B/en not_active Expired
- 1982-07-30 FR FR8213366A patent/FR2513240B1/en not_active Expired
- 1982-08-03 NL NL8203081A patent/NL8203081A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2513240A1 (en) | 1983-03-25 |
GB2103250A (en) | 1983-02-16 |
GB2103250B (en) | 1986-02-26 |
CH652737A5 (en) | 1985-11-29 |
NL8203081A (en) | 1983-03-01 |
DE3227815A1 (en) | 1983-02-24 |
PH19754A (en) | 1986-06-26 |
IE53305B1 (en) | 1988-10-12 |
FR2513240B1 (en) | 1986-07-25 |
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