US5576934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting unit for a multilayer hybrid circuit having power components including a copper coated ceramic center board
Assignee: Robert Bosch GmbH
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Filing: 1993-06-24
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Granted: 1996-11-19
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Expires: 2013-06-24
Abstract
Abstract A mounting unit for a multilayer hybrid circuit having power components provides improved heat dissipation from the power components. The mounting unit includes a thermally conductive substrate board on which the multilayer hybrid circuit is mounted, the substrate board including a ceramic board that is coated with copper film.
Inventors
- 👤 Walter Roethlingshoefer
- 👤 Ulrich Goebels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:32
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0201; H05K1/0203; H05K1/021; H10; H10W; H10W40/00; H10W40/20; H10W40/22; H10W40/226; H10W40/228; H10W40/25; H10W40/255; H10W70/00; H10W70/60; H10W70/67; H10W70/68; H10W70/6875; H10W90/00; H10W90/401; H05K1/03; H05K1/0306; H05K1/14; H05K1/141; H05K1/18; H05K1/182; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2201/0388; H05K2201/0394; H05K2203/00; H05K2203/04; H05K2203/049; H05K3/00; H05K3/30; H05K3/32; H05K3/328; H05K3/40; H05K3/4038; H05K3/4084; H10W72/00; H10W72/50; H10W72/551; H10W72/552; H10W72/5525; H10W90/701; H10W90/751; H10W90/754
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
109 words
A mounting unit for a multilayer hybrid circuit having at least one integrated circuit semiconductor power component, comprising: a substrate board, having a thickness in the range of 0.3 mm to 2.0 mm, including a ceramic center board, the center board being coated on a first side and a second side with a copper film, at least one recess portion being formed in the center board between the first side and the second side, wherein the at least one recess portion receives the at least one integrated circuit semiconductor power component, and the copper film conforms to a chip thickness of the at least one integrated semiconductor power component.
Claim 2
Dependent Claim
109 words
A mounting unit for a multilayer hybrid circuit having at least one integrated circuit semiconductor power component, comprising: a substrate board, having a thickness in the range of 0.3 mm to 2.0 mm, including a ceramic center board, the center board being coated on a first side and a second side with a copper film, at least one recess portion being formed in the center board between the first side and the second side, wherein the at least one recess portion receives the at least one integrated circuit semiconductor power component, and the copper film conforms to a chip thickness of the at least one integrated semiconductor power component.
Claim 3
Dependent Claim
42 words
The mounting unit according to claim 1, wherein the multilayer hybrid circuit is bonded to the substrate board, the at least one integrated circuit semiconductor power component being arranged on a side of the multilayer hybrid circuit facing towards the substrate board.
Claim 4
Dependent Claim
22 words
The mounting unit according to claim 2, wherein the multilayer hybrid circuit is bonded to the substrate board via a heat-conductive paste.
Claim 5
Dependent Claim
16 words
The mounting unit according to claim 1, wherein the copper film includes a conductor track pattern.
Claim 6
Dependent Claim
21 words
The mounting unit according to claim 1, wherein the copper film includes a lead frame portion for providing an electrical connection.
References Cited (Backward Citations)
US3517279A
Cited
US4912284A
Cited
US4563383A
Cited
US4862323A
Cited
US5012324A
Cited
WO1989000339A1
Cited
USH650H
Cited
US5055967A
Cited
US5359496A
Cited
EP0434264A2
Cited
JPH0487356A
Cited
DE4031733A1
Cited
WO1992006496A1
Cited
US5151769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-11-19 | 2000-05-20 | 2000-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-19 | 2004-05-20 | 2004-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-19 | 2008-05-20 | 2008-11-19 | $7700.00 | Window Closed / Lapsed |