Thermally conductive flexible member for heat transfer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-007/20
G02B-006/42
출원번호
US-0352449
(2012-01-18)
등록번호
US-8913388
(2014-12-16)
발명자
/ 주소
Teo, Tat Ming
Chiang, Troy Wy Piew
Zhao, JianBing
출원인 / 주소
Finisar Corporation
대리인 / 주소
Maschoff Brennan
인용정보
피인용 횟수 :
2인용 특허 :
22
초록▼
An example embodiment includes a thermal conduction system for dissipating thermal energy generated by operation of an optical subassembly that disposed within a shell of a communication module. The thermal conduction system can include a thermally conductive flexible member that contacts the optica
An example embodiment includes a thermal conduction system for dissipating thermal energy generated by operation of an optical subassembly that disposed within a shell of a communication module. The thermal conduction system can include a thermally conductive flexible member that contacts the optical subassembly and to contact the shell of the communication module. By contacting the optical subassembly and the shell, the thermal energy generated by operation of the optical subassembly can transfer from the optical subassembly to the shell. The thermally conductive flexible member defines thermally conductive flexible member holes that correspond to pins extending from the optical subassembly. The pins pass through the thermally conductive flexible member holes enabling the thermally conductive flexible member to contact the optical subassembly.
대표청구항▼
1. An optical subassembly system for transferring thermal energy from an optical subassembly, the system comprising: an optical subassembly;a header of the optical subassembly including an exterior header surface and an interior header surface;one or more plus that penetrate the header to electrical
1. An optical subassembly system for transferring thermal energy from an optical subassembly, the system comprising: an optical subassembly;a header of the optical subassembly including an exterior header surface and an interior header surface;one or more plus that penetrate the header to electrically couple to active optical components disposed on the interior header surface, the pins extending axially from the exterior header surface of the optical subassembly;a thermally conductive flexible member that defines a plurality of thermally conductive flexible member holes corresponding to the pins such that the pins can pass through the thermally conductive flexible member holesa conductive adhesive tape defining tape holes that correspond to the pins such that the pins pass through the tape holes, the conductive adhesive tape being positioned between the thermally conductive flexible member and the exterior header surface, and the conductive adhesive tape affixing the thermally conductive flexible member to the exterior header surface enabling conduction of thermal energy from the optical subassembly to the thermally conductive flexible member;a flexible circuit that electrically couples the optical subassembly to a printed circuit board and defines flexible circuit holes that correspond to the pins such that the pins pass through the flexible circuit holes; anda gasket defining gasket holes that correspond to the pins such that the pins pass through the gasket holes, the gasket being positioned between the thermally conductive flexible member and the flexible circuit to reduce electrical conduction between the thermally conductive flexible member and the flexible circuit. 2. The optical subassembly system of the claim 1, further comprising another strip of conductive adhesive tape that is placed on the thermally conductive flexible member such that when the optical subassembly is assembled in a communication module, the thermally conductive flexible member is configured to further affix to a shell of the communication module. 3. The optical subassembly system of claim 1, wherein the flexible circuit includes: a first connection between the flexible circuit and the printed circuit board, anda second connection between the flexible circuit and the pins. 4. The optical subassembly system of claim 1, wherein the active optical components are configured to emit optical data signals representative of received electrical data signals. 5. The optical subassembly system of claim 1, wherein the active optical components are configured to receive optical data signals, convert the received optical data signals to electrical data signals, and communicate the electrical data signals to a host. 6. A communication module comprising: a shell in a cooling environment and defining a cavity; andthe optical subassembly system of claim 1, wherein: the optical subassembly is disposed within the cavity, andthe thermally conductive flexible member further contracts the shell such that the thermal energy is conducted from the thermally conductive flexible member to the shell. 7. The optical subassembly system of claim 1, wherein the thermally conductive flexible member includes two or more layers affixed together and/or a slot defined by the thermally conductive flexible member. 8. The communication module of claim 6, further comprising a thermally conductive pad that contacts the optical subassembly and the shell. 9. The communication module of claim 8, wherein: the header includes a circumferential exterior header surface; andthe thermally conductive pad contacts the optical subassembly at the circumferential exterior header surface. 10. An optical system comprising: an optical subassembly including a header having an exterior header surface;a plurality of pins electrically coupled to an active optical component of the optical subassembly and extending axially from the exterior header surface;a thermally conductive flexible member that defines a plurality of thermally conductive flexible member holes that correspond to the pins;a conductive adhesive tape positioned between the thermally conductive flexible member and the exterior header surface that affixes the thermally conductive flexible member to the exterior header surface;a flexible circuit that electrically couples one or more of the active optical components to a printed circuit board, the flexible circuit defining flexible circuit holes that correspond to the pins; anda gasket that defines gasket holes that correspond to the pins, the gasket being positioned between the thermally conductive flexible member and the flexible circuit to reduce electrical conduction between the thermally conductive flexible member and the flexible circuit. 11. The optical subassembly system of claim 10, comprising a wherein the conductive adhesive tape defines tape hole that correspond to the pins. 12. The optical subassembly system of claim 11, wherein when the optical subassembly is assembled, the plurality of pins pass through the thermally conductive flexible member holes, the gasket holes, and the tape holes. 13. The optical subassembly system of claim 10, further comprising another strip of conductive adhesive tape placed on the thermally conductive flexible member and configured to affix to a shell of a communication module. 14. The optical subassembly system of claim 10, wherein the flexible circuit includes: a first connection between the flexible circuit and the printed circuit board, anda second connection between the flexible circuit and the pins. 15. The optical subassembly system of claim 10, wherein the active optical components are configured to emit optical data signals representative of received electrical data signals. 16. The optical subassembly system of claim 10, wherein the active optical components are configured to receive optical data signals, convert the received optical data signals to electrical data signals, and communicate the electrical data signals to a host. 17. A communication module comprising: a shell defining a cavity; andthe optical subassembly system of claim 10 positioned within the cavity. 18. The communication module of claim 17, wherein the thermally conductive flexible member further contacts the shell. 19. The communication module of claim 17, further comprising a thermally conductive pad that contacts the optical subassembly and the shell. 20. The communication module of claim 19, wherein: the header includes a circumferential exterior header surface; andthe thermally conductive pad contacts the optical subassembly as the circumferential exterior header surface. 21. The optical subassembly system of claim 10, wherein the thermally conductive flexible member includes two or more layers. 22. The optical subassembly system of claim 10, wherein the thermally conductive flexile member defines a slot extending form at least one of the plurality of thermally conductive flexible member holes.
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이 특허에 인용된 특허 (22)
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Call Anson J. (Holmes NY) Meisner Stephen H. (Hudson NY) Pompeo Frank L. (Walden NY) Zitz Jeffrey A. (Poughkeepsie NY), Method for directly joining a chip to a heat sink.
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