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Title:
AN HEAT CONDUCTIVE PIPE WITH FLAT END AND ITS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2006/102838
Kind Code:
A1
Abstract:
A method for smoothing the sealed end of a tube and a heat conductive pipe manufactured by the method. First, the sealed end of a metal tube for manufacturing a heat conductive pipe is fixed into a female mold; next, a male mold is inserted into the tube; the sealed end of the tube is stamped by the male mold with respect to the female mold, and then an flat end is formed at the sealed end, wherein a porous capillary diversion layer covers the inner walls of the tube and its sealed end, and there is operating fluid in the vacuum room of the tube. Thus, after completing the heat conductive pipe, an electronic device can be smoothly jointed on the flat end at the sealed end of the heat conductive pipe. Thereby, it can obtain good heat dispersing effect.

Inventors:
LIN CHUNG-ZEN (CN)
Application Number:
PCT/CN2006/000521
Publication Date:
October 05, 2006
Filing Date:
March 28, 2006
Export Citation:
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Assignee:
NEOBULB TECHNOLOGIES INC (BN)
LIN CHUNG-ZEN (CN)
International Classes:
H01L23/367; B21D53/06; F28D15/04; H05K7/20
Domestic Patent References:
WO2004038759A22004-05-06
Foreign References:
CN1624910A2005-06-08
TW466329B2001-12-01
TW466329B2001-12-01
DE2130822A11973-01-11
US6827133B12004-12-07
Other References:
See also references of EP 1884993A4
Attorney, Agent or Firm:
LUNG TIN INTERNATIONAL INTELLECTUAL PROPERTY AGENTLTD. (Tower B Grand Place, No.5 Huizhong Roa, Chaoyang District Beijing 1, CN)
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