US20120160458A1 - Cooler having ground heated plane for cooling heating electronic component - Google Patents
Cooler having ground heated plane for cooling heating electronic component Download PDFInfo
- Publication number
- US20120160458A1 US20120160458A1 US13/409,593 US201213409593A US2012160458A1 US 20120160458 A1 US20120160458 A1 US 20120160458A1 US 201213409593 A US201213409593 A US 201213409593A US 2012160458 A1 US2012160458 A1 US 2012160458A1
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- US
- United States
- Prior art keywords
- cooler
- plane
- heated
- heated plane
- ground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/12—Lapping plates for working plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
- B24B37/30—Work carriers for single side lapping of plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/182—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing especially adapted for evaporator or condenser surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention in general relates to a cooler, in particular, to a cooler, a heated plane of which is ground, and to a grinding method thereof.
- a cooling device including vapor chamber or heat pipe
- a thermally conductive seat When operated, a cooling device, including vapor chamber or heat pipe, is first combined to a thermally conductive seat and is arranged a plurality of cooling fins thereon.
- one side of the thermally conductive seat is contacted closely with the heating electronic component.
- the heat generated from the heating electronic component is thermally conducted.
- the heated face of a general cooler is usually configured as a matte, which looks flat and smooth after machined.
- the roughness and flatness on the surface of the heated face is still poor, making the heated face and the heating component unable to be contacted closely, thereby, limiting the thermal conduction between the heated face and the heating electronic component. Therefore, if the roughness and the flatness on the heated face can be further improved, the contact tightness between the heated face and the heating electronic component will be thereby increased, so is the thermally conductive effect.
- the invention is mainly to provide a cooler with ground heated plane and a grinding method and apparatus thereof.
- a grinding method and apparatus thereof By grinding the heated plane of the cooler, the roughness and flatness on the surface of the heated plane is improved. Furthermore, the thermally conductive effect is enhanced due to a better contact relative to the heating electronic component.
- the invention is to provide a method for grinding the heated plane of a cooler, the method including the following steps: (a) providing a grinder and a fixture, which have a grinding plate; (b) providing a cooler, which has a heated plane, and arranging the cooler to the fixture; (c) injecting an abrasive into the gap between the grinding plate and the heated plane; (d) making the fixture press and clamp the cooler, thereby, the heated plane being contacted closely with the abrasive; and (e) rotating the grinding plate, and undergoing at least one grinding process to the heated plane.
- the invention is to provide an apparatus for grinding the heated plane of a cooler, in which a heated plane of a cooler is ground.
- the apparatus includes a grinder and a fixture, in which the grinder has a grinding plate and an abrasive supply barrel that is arranged above the grinding plate for supplying abrasive into the gap between the heated plane and the grinding plate.
- the fixture is combined to the grinder and has at least one pressure plate for arranging the cooler. Thereby, the pressure plate presses and clamps the cooler, making the heated plane of the cooler contact closely to the abrasive.
- the invention is to provide a cooler having ground heated plane for cooling a heating electronic component, mainly including a cooler, which has a heated plane that is undergone a grinding process by being pressed and clamped by a fixture. After being ground, the roughness on the surface of the heated plane is under Ra 0.03 ⁇ m and the flatness is under 10 ⁇ m.
- the invention is to arrange a fixture to a grinder.
- the fixture presses and clamps a cooler via a point contact manner, whereby the heated plane of the cooler can possess a better flatness and surface roughness after being ground. Therefore, the contact tightness between the heated plane and the heating electronic component is increased, further generating a better effect of thermal conduction and enhancing the practicability of the invention.
- FIG. 1 is an assembled illustration of a grinder and a fixture according to the present invention
- FIG. 2 is an illustration of a cooler pressed and clamped by a fixture according to the present invention
- FIG. 3 is a cross-sectional view of a cooler pressed and clamped by a fixture according to the present invention
- FIG. 4 is a using illustration showing a cooler under a grinding process according to the present invention.
- FIG. 5 is a lateral view of the invention when undergoing a grinding process
- FIG. 6 is an illustration showing a grinding action of the invention
- FIG. 7 is a locally enlarging illustration of the invention when undergoing a grinding process
- FIG. 8 is a flowchart diagram showing a grinding method of the invention, in which a heated plane of a cooler is ground;
- FIG. 9 shows a cooler with ground heated plane according to an embodiment of the invention.
- FIG. 10 shows a cooler with ground heated plane according to another embodiment of the invention.
- FIG. 11 shows a cooler with ground heated plane according to a further embodiment of the invention.
- FIG. 1 is an assembled illustration of a grinder and a fixture according to the present invention.
- the invention is to provide a method for grinding the heated plane of a cooler, in which a grinder 10 having grinding plate 11 and fixing frame 15 is provided.
- the grinding plate 11 is actuated by a motor 12 to rotate.
- the fixing frame 15 is fixed onto the grinder 10 and is arranged an abrasive supply barrel 13 thereon.
- the abrasive supply barrel 13 is filled with abrasive and has a nozzle 131 to inject the abrasive onto the grinding plate 11 .
- the grinder 10 is additionally connected a fixture 20 .
- At least one elastic element 14 e.g., spring, etc.
- the elastic element 14 keeps a gap 100 between the fixture 20 and the grinder 11 , such that the fixture 20 can be displaced upwardly and downwardly in an elastic way.
- a driving device 21 such as hydraulic cylinder or pneumatic cylinder, is arranged on the fixing frame 15 .
- the driving device 21 is connected by abutting against the fixture. By elevating or lowering the driving device 21 , the fixture 20 is moved toward or far away the grinding plate 11 .
- FIG. 2 and FIG. 3 are an illustration and a cross-sectional view of a cooler that is pressed and clamped by a fixture according to the present invention.
- the fixture 20 can corresponds to the grinding plate 11 and is shown as a disk configuration.
- the circumference of the fixture 20 is divided equally to project out a plurality of pressure plates 22 , each of which is arranged a cooler 30 .
- the bottom portion of the pressure plate 22 is arranged a pointed bulge 221 that is abutted against the center of the cooler 30 , thereby, the fixture 20 pressing and clamping the cooler 30 via a point contact manner.
- the cooler 30 includes a thermally conductive seat 31 , at least one heat pipe 32 and a plurality of cooling fins 33 .
- the heat pipe 32 has a flat evaporation section 321 and a condensation section 322 .
- the thermally conductive seat 31 is arranged at least one slot 310 , into which the flat evaporation section 321 is inset.
- the plural cooling fins 33 are arranged by being passed through by the condensation section 322 of the heat pipe 32 .
- the flat evaporation section 321 is formed as a heated plane 34 provided for contacting the heat source.
- FIG. 4 through FIG. 7 separately showing a using illustration of a cooler under a grinding process according to the present invention, a lateral view of the invention when undergoing a grinding process, an illustration of a grinding action of the invention, and a locally enlarging illustration of the invention when undergoing a grinding process.
- a cooler 30 is separately arranged under each pressure plate 22 of the fixture 20 .
- an abrasive 132 is injected into the gap 100 between the grinder 11 and the heated plane 34 .
- the abrasive 132 includes grinding liquid 1321 and grinding particle 1322 , as shown in FIG. 7 .
- the driving device 21 is actuated, making the fixture 20 lowered down and the pressure plate 22 separately press and clamp the top portion of each thermally conductive seat 31 .
- the pointed bulge 221 presses and clamps at the center of the thermally conductive seat 31 , making each heated plane 34 touch the abrasive 132 and closely contact the grinding plate 11 .
- the motor 12 is actuated to bring along the grinding plate 11 to make a circular rotation.
- the abrasive 132 can uniformly grind the heated plane 34 .
- the flatness of the heated plane 34 is improved to obtain a best value of roughness on the surface.
- the driving device 21 is actuated again and lifted up. In so doing, the fixture 20 is rid of press and clamp and lifted up due to the elastically recovering force of the elastic element 14 .
- the heated plane 34 of the cooler 30 gets rid of the relative contact with the grinding plate 11 .
- the coolers 30 can be moved to another grinding machine to undergo next grinding.
- a series of grinding can be made in a grinder by separately injecting different abrasives 132 with different particle sizes.
- a grinding process can first be undergone by injecting an abrasive 132 with larger particles. After the first grinding process, another abrasive 132 with finer particle is then injected to undergo a second grinding process. Following each grinding process, a finer abrasive 132 is injected until the required accuracy of the heated plane 34 is reached.
- the value of the surface roughness is under Ra 0.03 ⁇ m, preferably, between Ra 0.03 ⁇ m and Ra 0.01 ⁇ m and the flatness is between 0.3 ⁇ m and 10 ⁇ m.
- FIG. 8 is a flowchart diagram showing a grinding method of the invention, in which a heated plane of a cooler is ground.
- a grinder 10 and a fixture 20 with a grinding plate 11 , is first provided (step 61 ); next, a cooler 30 with a heated plane 34 is further provided (step 62 ); then, an abrasive 132 is injected into the gap between the grinding plate 11 and the heated plane 34 (step 63 ); during a series of grindings, different abrasives 132 with different particle sizes can be injected and, in the meantime, the fixture 20 presses and clamps the cooler 30 via a point contact manner, for example, another side of the heated plane 34 being pressed and clamped, making the heated plane 34 contact closely to the grinding plate 11 to touch the abrasive 132 (step 64 ); finally, the grinding plate 11 is rotated, making the heated plane 34 undergone at least one grinding process (step 65 ).
- the thermally conductive seat 31 has a bottom plane 311 that is arranged at least one slot 310 , into which the flat evaporation section 321 of the heat pipe 32 is inset.
- the flat evaporation sections 321 are the heated plane 34 .
- the heated plane 34 then includes the flat evaporation sections 321 and the bottom plane 311 .
- FIG. 10 showing a cooler with ground heated plane according to another embodiment of the invention.
- This embodiment is substantially same as the first embodiment. The differences are that the bottom plane 311 ′ of the thermally conductive seat 31 ′ is only arranged an accommodating groove 310 ′; the cooler 30 ′ has three heat pipes 32 ′, each of which has a flat evaporation section 321 ′ passing through a plurality of cooling fins 33 ′; the three heat pipes 32 ′ arranged in parallel and pressed (clamped) in the accommodating groove 310 ′ are flush with each other to form a flat evaporation section 321 ′; similarly, when the surface of the flat evaporation sections 321 ′ is higher than the bottom plane 311 ′ of the thermally conductive seat 31 ′, the flat evaporation sections 321 ′ are the heated plane 34 ′; on the other hand, when the surface of the flat evaporation sections 321 ′ is flush with the bottom plane 311 ′ of the thermally conductive seat 31 ′, the heated plane
- the cooler 40 is a flat-plate heat pipe 41 that has a flat evaporation section 411 and is arranged a plurality of cooling fins 43 .
- the flat evaporation section 411 is the heated plane 42 that is ground to make its surface possess better surface roughness and flatness, thereby, the heated plane 42 contacting the heating electronic component further closely to increase its thermally conductive effect.
- the ground heated plane according to the invention is an indispensably design for a cooler indeed, which may positively reach the expected usage objective for solving the drawbacks of the prior arts, and which extremely possesses the innovation and progressiveness to completely fulfill the applying merits of new type patent, according to which the invention is thereby applied. Please examine the application carefully and grant it as a formal patent for protecting the rights of the inventor.
Abstract
A method for making heated plane of a cooler to obtain better flatness and roughness includes a grinder with a grinding plate and a fixture. Then, the cooler is arranged onto the fixture. Next, the abrasive is injected into the gap between the grinding plate and the heated plane, making the fixture press and clamp the cooler in a way, such that the heated plane of the cooler contacts the abrasive closely. Finally, the grinding plate is rotated to make at least one grinding process to the heated plane, making the heated plane obtain a surface with better roughness and flatness, further enhancing the contact tightness between the heated plane and a heating element, and therefore promoting the thermally conductive efficiency between the cooler and the heating element.
Description
- This application is a divisional application of U.S. application Ser. No. 12/482,000 filed on Jun. 10, 2009. The entire disclosure is incorporated herein by reference.
- 1. Field of the Invention
- The present invention in general relates to a cooler, in particular, to a cooler, a heated plane of which is ground, and to a grinding method thereof.
- 2. Description of Prior Art
- Following progress of technology, computer hardware is developed toward the directions of high speed and high frequency for increasing its execution efficiency, but its power consumption is also increased relatively. Compared to the prior arts, the heat generated from today's electronic component is much more significant than the past's. If the accumulative heat is not removed in time, the electronic component will be overheated to lower down the operation efficiency, even cause damage. So, most electronic component needs cooling device to control the working temperature and keep it operated under normal condition.
- When operated, a cooling device, including vapor chamber or heat pipe, is first combined to a thermally conductive seat and is arranged a plurality of cooling fins thereon. Next, one side of the thermally conductive seat is contacted closely with the heating electronic component. Thereby, the heat generated from the heating electronic component is thermally conducted. However, since of the limitation of many factors, such as cooling space and power consumption, how to promote cooling efficiency as high as we can becomes an issue intended to be addressed urgently by industry.
- Nonetheless, the more flat a heated face of a cooler is, the more compact a thermal contact between the heated face and the heating electronic component will be. In other words, a good flatness of the heated face will promote the thermally conductive efficiency of the cooler. In addition, the heated face of a general cooler is usually configured as a matte, which looks flat and smooth after machined. However, in practice, the roughness and flatness on the surface of the heated face is still poor, making the heated face and the heating component unable to be contacted closely, thereby, limiting the thermal conduction between the heated face and the heating electronic component. Therefore, if the roughness and the flatness on the heated face can be further improved, the contact tightness between the heated face and the heating electronic component will be thereby increased, so is the thermally conductive effect.
- Accordingly, after a substantially devoted study, in cooperation with the application of relative academic principles, the inventor has finally proposed the present invention that is designed reasonably to possess the capability to improve the drawbacks of the prior art significantly.
- The invention is mainly to provide a cooler with ground heated plane and a grinding method and apparatus thereof. By grinding the heated plane of the cooler, the roughness and flatness on the surface of the heated plane is improved. Furthermore, the thermally conductive effect is enhanced due to a better contact relative to the heating electronic component.
- Secondly, the invention is to provide a method for grinding the heated plane of a cooler, the method including the following steps: (a) providing a grinder and a fixture, which have a grinding plate; (b) providing a cooler, which has a heated plane, and arranging the cooler to the fixture; (c) injecting an abrasive into the gap between the grinding plate and the heated plane; (d) making the fixture press and clamp the cooler, thereby, the heated plane being contacted closely with the abrasive; and (e) rotating the grinding plate, and undergoing at least one grinding process to the heated plane.
- Thirdly, the invention is to provide an apparatus for grinding the heated plane of a cooler, in which a heated plane of a cooler is ground. The apparatus includes a grinder and a fixture, in which the grinder has a grinding plate and an abrasive supply barrel that is arranged above the grinding plate for supplying abrasive into the gap between the heated plane and the grinding plate. In the meantime, the fixture is combined to the grinder and has at least one pressure plate for arranging the cooler. Thereby, the pressure plate presses and clamps the cooler, making the heated plane of the cooler contact closely to the abrasive.
- Fourthly, the invention is to provide a cooler having ground heated plane for cooling a heating electronic component, mainly including a cooler, which has a heated plane that is undergone a grinding process by being pressed and clamped by a fixture. After being ground, the roughness on the surface of the heated plane is under Ra 0.03 μm and the flatness is under 10 μm.
- Compared with the prior arts, the invention is to arrange a fixture to a grinder. The fixture presses and clamps a cooler via a point contact manner, whereby the heated plane of the cooler can possess a better flatness and surface roughness after being ground. Therefore, the contact tightness between the heated plane and the heating electronic component is increased, further generating a better effect of thermal conduction and enhancing the practicability of the invention.
- The features of the invention believed to be novel are set forth with particularity in the appended claims. The invention itself, however, may be best understood by reference to the following detailed description of the invention, which describes a number of embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
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FIG. 1 is an assembled illustration of a grinder and a fixture according to the present invention; -
FIG. 2 is an illustration of a cooler pressed and clamped by a fixture according to the present invention; -
FIG. 3 is a cross-sectional view of a cooler pressed and clamped by a fixture according to the present invention; -
FIG. 4 is a using illustration showing a cooler under a grinding process according to the present invention; -
FIG. 5 is a lateral view of the invention when undergoing a grinding process; -
FIG. 6 is an illustration showing a grinding action of the invention; -
FIG. 7 is a locally enlarging illustration of the invention when undergoing a grinding process; -
FIG. 8 is a flowchart diagram showing a grinding method of the invention, in which a heated plane of a cooler is ground; -
FIG. 9 shows a cooler with ground heated plane according to an embodiment of the invention; -
FIG. 10 shows a cooler with ground heated plane according to another embodiment of the invention; and -
FIG. 11 shows a cooler with ground heated plane according to a further embodiment of the invention. - In cooperation with attached drawings, the technical contents and detailed description of the present invention are described thereinafter according to a number of preferable embodiments, not used to limit its executing scope. Any equivalent variation and modification made according to appended claims is all covered by the claims claimed by the present invention.
- Please refer to
FIG. 1 , which is an assembled illustration of a grinder and a fixture according to the present invention. The invention is to provide a method for grinding the heated plane of a cooler, in which agrinder 10 havinggrinding plate 11 andfixing frame 15 is provided. Thegrinding plate 11 is actuated by amotor 12 to rotate. Thefixing frame 15 is fixed onto thegrinder 10 and is arranged anabrasive supply barrel 13 thereon. Theabrasive supply barrel 13 is filled with abrasive and has anozzle 131 to inject the abrasive onto thegrinding plate 11. - Above the
grinding plate 11, thegrinder 10 is additionally connected afixture 20. At least one elastic element 14 (e.g., spring, etc.) is arranged between thefixture 20 and thegrinder 10. Theelastic element 14 keeps agap 100 between thefixture 20 and thegrinder 11, such that thefixture 20 can be displaced upwardly and downwardly in an elastic way. In addition, adriving device 21, such as hydraulic cylinder or pneumatic cylinder, is arranged on thefixing frame 15. Thedriving device 21 is connected by abutting against the fixture. By elevating or lowering the drivingdevice 21, thefixture 20 is moved toward or far away the grindingplate 11. - Please refer to
FIG. 2 andFIG. 3 , which are an illustration and a cross-sectional view of a cooler that is pressed and clamped by a fixture according to the present invention. Thefixture 20 can corresponds to the grindingplate 11 and is shown as a disk configuration. The circumference of thefixture 20 is divided equally to project out a plurality ofpressure plates 22, each of which is arranged a cooler 30. In addition, the bottom portion of thepressure plate 22 is arranged a pointedbulge 221 that is abutted against the center of the cooler 30, thereby, thefixture 20 pressing and clamping the cooler 30 via a point contact manner. - In a preferable embodiment, the cooler 30 includes a thermally
conductive seat 31, at least oneheat pipe 32 and a plurality of coolingfins 33. Theheat pipe 32 has aflat evaporation section 321 and acondensation section 322. The thermallyconductive seat 31 is arranged at least oneslot 310, into which theflat evaporation section 321 is inset. In the meantime, theplural cooling fins 33 are arranged by being passed through by thecondensation section 322 of theheat pipe 32. In this case, theflat evaporation section 321 is formed as aheated plane 34 provided for contacting the heat source. When the top portion of the thermallyconductive seat 31 is pressed and clamped by the pointedbulge 221 of thepressure plate 22, theheated plane 34 of the cooler 30 is abutted against the grindingplate 11 and is arranged correspondingly. - Please refer to
FIG. 4 throughFIG. 7 , separately showing a using illustration of a cooler under a grinding process according to the present invention, a lateral view of the invention when undergoing a grinding process, an illustration of a grinding action of the invention, and a locally enlarging illustration of the invention when undergoing a grinding process. Firstly, a cooler 30 is separately arranged under eachpressure plate 22 of thefixture 20. Secondly, an abrasive 132 is injected into thegap 100 between thegrinder 11 and theheated plane 34. The abrasive 132 includes grinding liquid 1321 and grindingparticle 1322, as shown inFIG. 7 . Then, the drivingdevice 21 is actuated, making thefixture 20 lowered down and thepressure plate 22 separately press and clamp the top portion of each thermallyconductive seat 31. In so doing, thepointed bulge 221 presses and clamps at the center of the thermallyconductive seat 31, making eachheated plane 34 touch the abrasive 132 and closely contact the grindingplate 11. Next, themotor 12 is actuated to bring along the grindingplate 11 to make a circular rotation. By centrifugal force and pressing (clamping) operation, the abrasive 132 can uniformly grind theheated plane 34. Thereby, the flatness of theheated plane 34 is improved to obtain a best value of roughness on the surface. After the grinding is finished, the drivingdevice 21 is actuated again and lifted up. In so doing, thefixture 20 is rid of press and clamp and lifted up due to the elastically recovering force of theelastic element 14. Finally, theheated plane 34 of the cooler 30 gets rid of the relative contact with the grindingplate 11. - Subsequently, the
coolers 30 can be moved to another grinding machine to undergo next grinding. Or, a series of grinding can be made in a grinder by separately injectingdifferent abrasives 132 with different particle sizes. For example, a grinding process can first be undergone by injecting an abrasive 132 with larger particles. After the first grinding process, another abrasive 132 with finer particle is then injected to undergo a second grinding process. Following each grinding process, a finer abrasive 132 is injected until the required accuracy of theheated plane 34 is reached. In an embodiment, the value of the surface roughness is under Ra 0.03 μm, preferably, between Ra 0.03 μm and Ra 0.01 μm and the flatness is between 0.3 μm and 10 μm. - Please refer to
FIG. 8 , which is a flowchart diagram showing a grinding method of the invention, in which a heated plane of a cooler is ground. As shown in this diagram, agrinder 10 and afixture 20, with a grindingplate 11, is first provided (step 61); next, a cooler 30 with aheated plane 34 is further provided (step 62); then, an abrasive 132 is injected into the gap between the grindingplate 11 and the heated plane 34 (step 63); during a series of grindings,different abrasives 132 with different particle sizes can be injected and, in the meantime, thefixture 20 presses and clamps the cooler 30 via a point contact manner, for example, another side of theheated plane 34 being pressed and clamped, making theheated plane 34 contact closely to the grindingplate 11 to touch the abrasive 132 (step 64); finally, the grindingplate 11 is rotated, making theheated plane 34 undergone at least one grinding process (step 65). - Please refer to
FIG. 9 showing a cooler with ground heated plane according to an embodiment of the invention. In this embodiment, the thermallyconductive seat 31 has abottom plane 311 that is arranged at least oneslot 310, into which theflat evaporation section 321 of theheat pipe 32 is inset. When the surface of theflat evaporation sections 321 is higher than thebottom plane 311 of the thermallyconductive seat 31, theflat evaporation sections 321 are theheated plane 34. Nonetheless, when the surface of theflat evaporation sections 321 is flush with thebottom plane 311 of the thermallyconductive seat 31, theheated plane 34 then includes theflat evaporation sections 321 and thebottom plane 311. After theheated plane 34 is ground, a delicate plane like mirror is obtained, which is provided for closely contacting a heating electronic component to dissipate the heat thereof. - Please refer to
FIG. 10 showing a cooler with ground heated plane according to another embodiment of the invention. This embodiment is substantially same as the first embodiment. The differences are that thebottom plane 311′ of the thermallyconductive seat 31′ is only arranged anaccommodating groove 310′; the cooler 30′ has threeheat pipes 32′, each of which has aflat evaporation section 321′ passing through a plurality of coolingfins 33′; the threeheat pipes 32′ arranged in parallel and pressed (clamped) in theaccommodating groove 310′ are flush with each other to form aflat evaporation section 321′; similarly, when the surface of theflat evaporation sections 321′ is higher than thebottom plane 311′ of the thermallyconductive seat 31′, theflat evaporation sections 321′ are theheated plane 34′; on the other hand, when the surface of theflat evaporation sections 321′ is flush with thebottom plane 311′ of the thermallyconductive seat 31′, theheated plane 34′ then includes theflat evaporation sections 321′ and thebottom plane 311′. - Please refer to
FIG. 11 showing a cooler with ground heated plane according to a further embodiment of the invention. In this case, the cooler 40 is a flat-plate heat pipe 41 that has aflat evaporation section 411 and is arranged a plurality of coolingfins 43. Theflat evaporation section 411 is theheated plane 42 that is ground to make its surface possess better surface roughness and flatness, thereby, theheated plane 42 contacting the heating electronic component further closely to increase its thermally conductive effect. - Accordingly, through the constitution of aforementioned assemblies, a cooler with ground heated plane according to the invention is thus obtained.
- Summarizing aforementioned description, the ground heated plane according to the invention is an indispensably design for a cooler indeed, which may positively reach the expected usage objective for solving the drawbacks of the prior arts, and which extremely possesses the innovation and progressiveness to completely fulfill the applying merits of new type patent, according to which the invention is thereby applied. Please examine the application carefully and grant it as a formal patent for protecting the rights of the inventor.
- However, the aforementioned description is only a number of preferable embodiments according to the present invention, not used to limit the patent scope of the invention, so equivalently structural variation made to the contents of the present invention, for example, description and drawings, is all covered by the claims claimed thereinafter.
Claims (8)
1. A cooler having ground heated plane for cooling heating electronic component, mainly including a cooler, which has a heated plane pressed and clamped to a grinder by a fixture and, after the heated plane is ground, a roughness on a surface of the heated plane is under Ra 0.03 μm and a flatness thereof is under 10 μm.
2. The cooler having ground heated plane according to claim 1 , wherein the surface roughness of the heated plane is between Ra 0.03 μm and Ra 0.01 μm.
3. The cooler having ground heated plane according to claim 1 , wherein the flatness of the heated plane is between 0.3 μm and 10 μm.
4. The cooler having ground heated plane according to claim 1 , wherein the cooler includes a flat-plate heat pipe and a plurality of cooling fins arranged by being passed through by the flat-plate heat pipe, and the flat-plate heat pipe has a flat evaporation section, which is the heated plane.
5. The cooler having ground heated plane according to claim 1 , wherein the cooler includes a thermally conductive seat, at least one heat pipe and a plurality of cooling fins passed through by the heat pipe, and the thermally conductive seat has a bottom plane having at least one slot corresponding to a quantity of the heat pipe, and the heat pipe has a flat evaporation section insect into the slot and flush with the bottom plane, and the heated plane includes the bottom plane and the flat evaporation section.
6. The cooler having ground heated plane according to claim 1 , wherein the cooler includes a thermally conductive seat, at least one heat pipe and a plurality of cooling fins passed through by the heat pipe, and the thermally conductive seat has a bottom plane having at least one slot corresponding to a quantity of the heat pipe, and the heat pipe has a flat evaporation section insect into the slot and higher than the bottom plane, and the heated plane is the flat evaporation section.
7. The cooler having ground heated plane according to claim 1 , wherein the cooler includes a thermally conductive seat, at least two heat pipes and a plurality of cooling fins passed through by the heat pipes, and the thermally conductive seat has a bottom plane arranged an accommodating groove, and each heat pipes has a flat evaporation section, and the flat evaporation sections are arranged in parallel, flush with each other and flush with the bottom plane by being pressed and clamped in the accommodating groove, and the heated plane includes the bottom plane and the flat evaporation sections.
8. The cooler having ground heated plane according to claim 1 , wherein the cooler includes a thermally conductive seat, at least two heat pipes and a plurality of cooling fins passed through by the heat pipes, and the thermally conductive seat has a bottom plane arranged an accommodating groove, and each heat pipes has a flat evaporation section, and the flat evaporation sections are arranged in parallel, flush with each other and higher than the bottom plane by being pressed and clamped in the accommodating groove, and the heated plane is the flat evaporation sections.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW098118180A TWI421148B (en) | 2009-06-02 | 2009-06-02 | Heat sink having grinding heat-contacting plane and method and apparatus of making the same |
US12/482,000 US8235768B2 (en) | 2009-06-02 | 2009-06-10 | Cooler with ground heated plane and grinding method and apparatus thereof |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/482,000 Division US8235768B2 (en) | 2009-06-02 | 2009-06-10 | Cooler with ground heated plane and grinding method and apparatus thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120160458A1 true US20120160458A1 (en) | 2012-06-28 |
Family
ID=45000911
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/482,000 Expired - Fee Related US8235768B2 (en) | 2009-06-02 | 2009-06-10 | Cooler with ground heated plane and grinding method and apparatus thereof |
US13/409,575 Expired - Fee Related US8328601B2 (en) | 2009-06-02 | 2012-03-01 | Apparatus for grinding heated plane of cooler |
US13/409,593 Abandoned US20120160458A1 (en) | 2009-06-02 | 2012-03-01 | Cooler having ground heated plane for cooling heating electronic component |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/482,000 Expired - Fee Related US8235768B2 (en) | 2009-06-02 | 2009-06-10 | Cooler with ground heated plane and grinding method and apparatus thereof |
US13/409,575 Expired - Fee Related US8328601B2 (en) | 2009-06-02 | 2012-03-01 | Apparatus for grinding heated plane of cooler |
Country Status (4)
Country | Link |
---|---|
US (3) | US8235768B2 (en) |
JP (1) | JP5377123B2 (en) |
KR (1) | KR20100137104A (en) |
TW (1) | TWI421148B (en) |
Cited By (1)
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CN107378631A (en) * | 2017-08-30 | 2017-11-24 | 张家港华翊电工有限公司 | A kind of metallic article processing drilling equipment |
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US9418904B2 (en) | 2011-11-14 | 2016-08-16 | Taiwan Semiconductor Manufacturing Co., Ltd. | Localized CMP to improve wafer planarization |
US10065288B2 (en) | 2012-02-14 | 2018-09-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Chemical mechanical polishing (CMP) platform for local profile control |
US20130210173A1 (en) * | 2012-02-14 | 2013-08-15 | Taiwan Semiconductor Manufacturing Co., Ltd. | Multiple Zone Temperature Control for CMP |
CN105252411B (en) * | 2015-10-26 | 2018-01-02 | 长安大学 | A kind of clamping head is capable of the fixture of auto-steering |
CN107960048B (en) * | 2017-12-26 | 2019-10-29 | 李磊 | A kind of communication apparatus mounting rack with cooling effect |
JP6953365B2 (en) | 2018-06-07 | 2021-10-27 | 横河電機株式会社 | Temperature difference power generation device and measurement system |
TWI827971B (en) * | 2021-09-01 | 2024-01-01 | 建佳科技股份有限公司 | A baking fixture used in the semiconductor manufacturing process |
CN114952491B (en) * | 2022-07-14 | 2023-01-24 | 苏州立而达精准弹簧有限公司 | Accurate spring tip burr grinding machanism |
JP7235922B1 (en) * | 2022-07-26 | 2023-03-08 | 古河電気工業株式会社 | heat sink |
CN115741390B (en) * | 2022-11-23 | 2023-05-09 | 安徽微芯长江半导体材料有限公司 | Silicon carbide crystal shaping all-in-one |
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Also Published As
Publication number | Publication date |
---|---|
JP5377123B2 (en) | 2013-12-25 |
JP2011018706A (en) | 2011-01-27 |
TW201043400A (en) | 2010-12-16 |
US20120276822A1 (en) | 2012-11-01 |
US8235768B2 (en) | 2012-08-07 |
TWI421148B (en) | 2014-01-01 |
US8328601B2 (en) | 2012-12-11 |
KR20100137104A (en) | 2010-12-30 |
US20100314078A1 (en) | 2010-12-16 |
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