US5498903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface mountable integrated circuit package with integrated battery mount
Assignee: STMicroelectronics lnc USA
•
Filing: 1994-11-30
•
Granted: 1996-03-12
•
Expires: 2014-11-30
Abstract
Abstract An integrated circuit package of the surface-mountable type within which a battery is mounted is disclosed. Battery leads extend from the side of the package body opposite that which is adjacent the circuit board when mounted, and between which a conventional battery may be placed. Standoffs are located on the package body for supporting the battery above the package body, so that a gap is present therebetween. A housing is attached to the package over the battery, and has standoffs attached to its inner surface so that a gap is also present between the housing and the battery. The gaps may be air gaps or filled with a low thermal conductivity material. The gaps thermally insulate the battery from the package body and housing, so that the circuit may be subjected to solder reflow mounting to a circuit board, while insulating the high temperatures from the battery.
Inventors
- 👤 D. Craig Dixon
- 👤 Michael J. Hundt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:50
CPC Classifications
H; H10; H10W; H10W42/00; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/216; H01M50/50; H10W70/00; H10W70/40; H10W70/474; H10W74/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S257/00; Y10S257/924; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49121; Y10T29/49169; Y10T29/49171
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
115 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a lower gap is present between said battery and said package body so that no portion of said battery is in contact with said package body; and a housing covering said battery and attached to said package body.
Claim 2
Dependent Claim
115 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a lower gap is present between said battery and said package body so that no portion of said battery is in contact with said package body; and a housing covering said battery and attached to said package body.
Claim 3
Dependent Claim
40 words
The integrated circuit of claim 1, wherein said package body comprises: a lead frame having leads and a die attach, said integrated circuit mounted to said die attach; and plastic encapsulant surrounding said lead frame and integrated circuit mounted thereto.
Claim 4
Dependent Claim
158 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads; a housing covering said battery and attached to said package body; lower standoffs extending from said second side of said package body and in contact with said battery to define a lower gap between said battery and said second side of said package body; and upper standoffs extending from the inner surface of said housing and in contact with said battery to define an upper gap between a portion of an upper surface of said battery and the inner surface of said housing.
Claim 5
Dependent Claim
158 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads; a housing covering said battery and attached to said package body; lower standoffs extending from said second side of said package body and in contact with said battery to define a lower gap between said battery and said second side of said package body; and upper standoffs extending from the inner surface of said housing and in contact with said battery to define an upper gap between a portion of an upper surface of said battery and the inner surface of said housing.
Claim 6
Dependent Claim
42 words
The integrated circuit of claim 3, wherein said package body comprises: a header to which said integrated circuit is mounted; and a lid, attached to said header in such a manner as to cover the integrated circuit when mounted to said header.
Claim 7
Dependent Claim
40 words
The integrated circuit of claim 3, wherein said package body comprises: a lead frame having leads and a die attach, said integrated circuit mounted to said die attach; and plastic encapsulant surrounding said lead frame and integrated circuit mounted thereto.
Claim 8
Dependent Claim
16 words
The integrated circuit of claim 3, wherein said upper standoffs are integrally molded with said housing.
Claim 9
Dependent Claim
136 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body comprising a header to which said integrated circuit is mounted, and a lid, attached to said header in such a manner as to cover the integrated circuit when mounted to said header; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a lower gap is present between a portion of said battery and said package body; and a housing covering said battery and attached to said package body.
Claim 10
Dependent Claim
136 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body comprising a header to which said integrated circuit is mounted, and a lid, attached to said header in such a manner as to cover the integrated circuit when mounted to said header; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a lower gap is present between a portion of said battery and said package body; and a housing covering said battery and attached to said package body.
Claim 11
Dependent Claim
31 words
The integrated circuit of claim 5, further comprising: lower standoffs attached to said header, comprised of a thermally resistive material, and in contact with said battery to define the lower gap.
Claim 12
Dependent Claim
154 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body, said package body comprising: a lead frame having leads and a die attach, said integrated circuit mounted to said die attach; plastic encapsulant surrounding said lead frame and integrated circuit mounted thereto; and lower standoffs integrally molded with said plastic encapsulant and extending from a second side thereof; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads and in contact with said lower standoffs to define a lower gap between said battery and said plastic encapsulant; and a housing covering said battery and attached to said package body.
Claim 13
Dependent Claim
154 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body, said package body comprising: a lead frame having leads and a die attach, said integrated circuit mounted to said die attach; plastic encapsulant surrounding said lead frame and integrated circuit mounted thereto; and lower standoffs integrally molded with said plastic encapsulant and extending from a second side thereof; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads and in contact with said lower standoffs to define a lower gap between said battery and said plastic encapsulant; and a housing covering said battery and attached to said package body.
Claim 14
Dependent Claim
108 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections of a surface mountable type at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a gap is present between a portion of said battery and said package body; and a housing covering said battery and attached to said package body.
Claim 15
Dependent Claim
108 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections of a surface mountable type at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a gap is present between a portion of said battery and said package body; and a housing covering said battery and attached to said package body.
Claim 16
Dependent Claim
111 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a gap is present between a portion of said battery and said package body; a housing covering said battery and attached to said package body; and a thermally resistive material disposed in said gap.
Claim 17
Dependent Claim
111 words
A packaged integrated circuit, comprising: an integrated circuit mounted within a package body; a plurality of electrical connections at a first side of said package body; a lower battery lead extending from a second side of said package body, and electrically coupled to said integrated circuit; an upper battery lead extending from said second side of said package body, and electrically coupled to said integrated circuit; a battery disposed between lower and upper battery leads so that a gap is present between a portion of said battery and said package body; a housing covering said battery and attached to said package body; and a thermally resistive material disposed in said gap.
References Cited (Backward Citations)
US4998888A
Cited
US4645943A
Cited
US4864373A
Cited
US4985870A
Cited
US5196374A
Cited
US5289034A
Cited
US5294829A
Cited
US5008776A
Cited
US5153710A
Cited
US5373478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-03-12 | 1999-09-11 | 2000-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-12 | 2003-09-11 | 2004-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-12 | 2007-09-11 | 2008-03-12 | $7700.00 | Window Closed / Lapsed |