KR100436589B1 - 이중 윅 구조를 갖는 열 확산기 - Google Patents
이중 윅 구조를 갖는 열 확산기 Download PDFInfo
- Publication number
- KR100436589B1 KR100436589B1 KR10-2002-0048026A KR20020048026A KR100436589B1 KR 100436589 B1 KR100436589 B1 KR 100436589B1 KR 20020048026 A KR20020048026 A KR 20020048026A KR 100436589 B1 KR100436589 B1 KR 100436589B1
- Authority
- KR
- South Korea
- Prior art keywords
- wick
- heat
- heat spreader
- heat source
- working fluid
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 239000011800 void material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 12
- 230000007480 spreading Effects 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims (10)
- 열원(1)에서 발생되는 열을 방출하기 위한 열 확산기로서,내부가 밀폐되고 상기 열원에 밀착된 케이스(11);상기 케이스(11)의 내부 하단측에 채워진 제 1 다공질의 모세관 구조이고 다공 내에 작동 유체가 주입된 하부윅(12);상기 하부윅(12) 상에 위치하고, 상기 열원(1)이 위치하는 부분에 개구부(16)가 형성되어 있는 분리막(14);상기 분리막(14) 상에 채워진 제 2 다공질의 모세관 구조이고 다공 내에 작동 유체가 주입된 상부윅(22);상기 열원으로부터 전달된 열에 의해 상기 작동유체로부터 기화된 증기가 압력차에 의해 균일하게 이동가능하도록 하기 위해 상기 상부윅(22)의 중심영역에서 방사형으로 형성된 복수개의 증기 유로(13)를 포함하는 것을 특징으로 하는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서, 상기 상부윅(22), 분리막(14) 및 하부윅(12)의 가장자리에는 상기 상부윅(22)과 같거나 더 낮고 하부윅(12)보다 더 높은 공극을 갖는 제 3 다공질로 되어 있는 액체 저장부(15)가 더 구비되는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 2 항에 있어서, 상기 액체 저장부(15)의 폭방향 두께는 1 ~ 5 mm 인 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서, 상기 분리막(14)의 두께는 0.1 ~ 0.25 mm 인 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서, 상기 상부윅(22), 하부윅(12) 및 복수개의 증기 유로(13)는 동일한 두께로 형성되어 있는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 5 항에 있어서, 상기 동일한 두께는 0.25 ~ 0.5 mm 인 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서,상기 복수개의 증기 유로(13)의 단면의 일변은 상기 분리막(14)의 상면에 의해 형성되어 있는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서, 상기 열원(1)은 컴퓨터의 중앙연산장치(CPU)인 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
- 제 1 항에 있어서, 상기 각 증기 유로(13)의 단면은 상기 케이스(11)의 중심으로부터 방사상으로 진행할수록 증가하는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기
- 제 1 항에 있어서, 상기 복수개의 증기 유로(13)는 상호 연통되지 않도록 형성되어 있는 것을 특징으로 하는 이중 윅 구조를 갖는 열 확산기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0048026A KR100436589B1 (ko) | 2002-08-14 | 2002-08-14 | 이중 윅 구조를 갖는 열 확산기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0048026A KR100436589B1 (ko) | 2002-08-14 | 2002-08-14 | 이중 윅 구조를 갖는 열 확산기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040015887A KR20040015887A (ko) | 2004-02-21 |
KR100436589B1 true KR100436589B1 (ko) | 2004-06-19 |
Family
ID=37321977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0048026A KR100436589B1 (ko) | 2002-08-14 | 2002-08-14 | 이중 윅 구조를 갖는 열 확산기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100436589B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949857B1 (ko) * | 2008-01-10 | 2010-03-25 | 주식회사 원룩스 | 컵형상 히트 스프레더 및 이를 이용한 led모듈용냉각장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07208884A (ja) * | 1994-01-19 | 1995-08-11 | Fujikura Ltd | 平板型ヒートパイプ |
JP2000074536A (ja) * | 1998-08-31 | 2000-03-14 | Denso Corp | 沸騰冷却装置 |
JP2001336888A (ja) * | 2000-05-29 | 2001-12-07 | Fujikura Ltd | 積層式平板型ヒートパイプ |
JP2002062072A (ja) * | 2000-08-21 | 2002-02-28 | Fujikura Ltd | 平板状ヒートパイプおよびその製造方法 |
-
2002
- 2002-08-14 KR KR10-2002-0048026A patent/KR100436589B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07208884A (ja) * | 1994-01-19 | 1995-08-11 | Fujikura Ltd | 平板型ヒートパイプ |
JP2000074536A (ja) * | 1998-08-31 | 2000-03-14 | Denso Corp | 沸騰冷却装置 |
JP2001336888A (ja) * | 2000-05-29 | 2001-12-07 | Fujikura Ltd | 積層式平板型ヒートパイプ |
JP2002062072A (ja) * | 2000-08-21 | 2002-02-28 | Fujikura Ltd | 平板状ヒートパイプおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20040015887A (ko) | 2004-02-21 |
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