The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 1997
Filed:
Jun. 07, 1996
Rafael Cesar Alfaro, Carrollton, TX (US);
Katherine Gail Heinen, Dallas, TX (US);
Paul Joseph Hundt, Garland, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The present invention provides a thermally enhanced molded cavity package (10) having a package body (12) with upper (40) and lower (42) sections. The package body (12) has a cavity (22) with the cavity opening (32) in the upper section (40) of the package body (12). The present package (10) includes a lead frame (14) with a plurality of individual leads (16) that are external to the cavity (22) and a plurality of lead fingers (28) that are internal to the cavity (22). The present package (10) also includes a heat spreader (34) for increasing heat dissipation from the package (10) in the lower section (42) of the package body (12) and coupled to the lead frame (14). The heat spreader (34) has a first surface (26) forming a floor of the cavity upon which a microcircuit chip (24) may be mounted and a second surface forming a base (36) of the package body (12). The upper section (40) of the package body (12) includes a lid seat (33) for supporting a lid (30) and for maintaining the lid (30) parallel to the floor (26) of the cavity when the lid (30) is placed in the cavity opening (32).