Method for bonding heat sinks to overmold material and...

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – With provision for cooling the housing or its contents

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C427S535000, C156S154000

Reexamination Certificate

active

07078802

ABSTRACT:
A method and resulting electronic package in which a heat sink is secured to the package's dielectric material (e.g., overmold). The surface of the dielectric is roughened (e.g., using an abrasive paper or pad) to enhance the subsequent dielectric-heat sink bond in which an adhesive is used. The dielectric material's roughened external surface(s), typically containing silicone material (e.g., silicone residue) which is an inherent by-product of many dielectric materials of the type used in such packaging, is (are) able to still be securely attached to the heat sink, despite the presence of said silicone. In another embodiment, the roughened surface enhances the marking of dielectric material of this type (e.g., using ink).

REFERENCES:
patent: 4938992 (1990-07-01), Mears
patent: 5362680 (1994-11-01), Heinen et al.
patent: 5422788 (1995-06-01), Heinen et al.
patent: 5450283 (1995-09-01), Lin et al.
patent: 5484324 (1996-01-01), Okabayashi et al.
patent: 5655703 (1997-08-01), Jimarez et al.
patent: 5726079 (1998-03-01), Johnson
patent: 5729440 (1998-03-01), Jimarez et al.
patent: 5900096 (1999-05-01), Zemel
patent: 5938854 (1999-08-01), Roth
patent: 6206997 (2001-03-01), Egitto et al.
patent: 6309494 (2001-10-01), Koch et al.
patent: 6410102 (2002-06-01), Hashizume et al.
patent: 2001/0038919 (2001-11-01), Berry et al.
patent: 2001/0052183 (2001-12-01), Iba et al.
patent: 4266938 (1992-09-01), None
IBM Technical Disclosure Bulletin vol. 26, No. 3B, Aug. 1983, “Fiber-Optic Connector” by Uberbacher.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for bonding heat sinks to overmold material and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for bonding heat sinks to overmold material and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for bonding heat sinks to overmold material and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3596503

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.