US4366497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling capsule for disc-shaped semiconductor components
Assignee: Siemens AG
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Filing: 1980-06-12
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Granted: 1982-12-28
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Expires: 2000-06-12
Abstract
Abstract A cooling capsule for disc-type thyristors consists of two half-shells containing spherical depressions. A lens-shaped core, arranged between the two half-shells, guides the coolant, so that only a small pressure drop takes place. In addition, large-area and uniform heat removal at both end faces of the cooling capsules is obtained. The cooling capsule can be produced and machined efficiently, since screw machine parts are used exclusively.
Inventors
- 👤 Harry Block
- 👤 Rudolf Wiesenbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:11
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/47
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
167 words
A cooling capsule for disc-shaped semiconductor components comprising: two heat conductive cover dishes, each cover dish having a substantially flat outer face for making generally conforming, thermally conductive connection to at least on semiconductor component, each dish having a side wall and containing a single recess, the side wall of one cover dish joined to the side wall of the other cover dish in a liquid-tight manner to form a side wall of the capsule, joining the recesses to provide a cavity in the capsule; an inlet opening and an outlet opening in the side wall of the capsule to permit through flow of coolant; and a solid core positioned in the cavity so as to divide each inlet and each outlet opening in the side wall into separate inlet and outlet openings associated with each recess, the maximum cross-sectional area of the cavity, taken on a connecting line between the inlet and the outlet openings, being substantially equal to the maximum cross-sectional area of the core.
Claim 2
Dependent Claim
167 words
A cooling capsule for disc-shaped semiconductor components comprising: two heat conductive cover dishes, each cover dish having a substantially flat outer face for making generally conforming, thermally conductive connection to at least on semiconductor component, each dish having a side wall and containing a single recess, the side wall of one cover dish joined to the side wall of the other cover dish in a liquid-tight manner to form a side wall of the capsule, joining the recesses to provide a cavity in the capsule; an inlet opening and an outlet opening in the side wall of the capsule to permit through flow of coolant; and a solid core positioned in the cavity so as to divide each inlet and each outlet opening in the side wall into separate inlet and outlet openings associated with each recess, the maximum cross-sectional area of the cavity, taken on a connecting line between the inlet and the outlet openings, being substantially equal to the maximum cross-sectional area of the core.
Claim 3
Dependent Claim
33 words
In a cooling capsule in accordance with claim 1, the further improvement comprising: The core having a profile which is tapered from the center toward the inlet opening and toward the outlet opening.
Claim 4
Dependent Claim
17 words
In a cooling capsule in accordance with claim 1 the further improvement comprising: the core being plate-like.
Claim 5
Dependent Claim
30 words
In a cooling capsule in accordance with claim 2, the further improvement comprising: the profiles of the recesses in the cover dishes being matched to the profile of the core.
Claim 6
Dependent Claim
42 words
In a cooling capsule in accordance with any one of claims 3 and 4 in which the cover dishes and the core are circular, the further improvement comprising: the core being lens-shaped and approximately centered in the cavity formed by the recesses.
Claim 7
Dependent Claim
19 words
In a cooling capsule in accordance with claim 5, the further improvement comprising: the core having two spherical surfaces.
Claim 8
Dependent Claim
21 words
In a cooling capsule in accordance with claim 6, the further improvement comprising: the recess of each cover plate being spherical.
Claim 9
Dependent Claim
34 words
In a cooling capsule in accordance with any one of claims 1, 2, 3 or 4, the further improvement comprising: spacers between the core and each cover dish in the region of the recesses.
Claim 10
Dependent Claim
27 words
In a cooling capsule in accordance with claim 5, the further improvement comprising: spacers between the core and each cover dish in the region of the recesses.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-27 | 1986-06-28 | 1986-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-27 | 1990-06-28 | 1990-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-27 | 1994-06-28 | 1994-12-28 | $7700.00 | Window Closed / Lapsed |