DE202010008604U1 - Heatsink core element - Google Patents
Heatsink core element Download PDFInfo
- Publication number
- DE202010008604U1 DE202010008604U1 DE202010008604U DE202010008604U DE202010008604U1 DE 202010008604 U1 DE202010008604 U1 DE 202010008604U1 DE 202010008604 U DE202010008604 U DE 202010008604U DE 202010008604 U DE202010008604 U DE 202010008604U DE 202010008604 U1 DE202010008604 U1 DE 202010008604U1
- Authority
- DE
- Germany
- Prior art keywords
- heat sink
- tubular body
- core member
- sink core
- tubular
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/20—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being attachable to the element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4878—Mechanical treatment, e.g. deforming
-
- 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
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/10—Heat sinks
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
- F28D2021/0029—Heat sinks
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
Abstract
Kühlkörper-Kernelement umfassend einen röhrenförmigen Körper, eine dichte Stirnwandung, die an einem Ende des röhrenförmigen Körpers angeordnet ist, und eine Vielzahl von vertikal haltenden Nuten, die gleichmäßig um den Umfang des röhrenförmigen Körpers herum beabstandet sind, um eine Abstrahlungs-Lamelle in jeder vertikal haltenden Nut zu befestigen.A heat sink core member comprising a tubular body, a sealed end wall disposed at one end of the tubular body, and a plurality of vertically holding grooves equally spaced around the circumference of the tubular body about a radiating fin in each vertical to secure retaining groove.
Description
Die vorliegende Erfindung betrifft ein Kühlkörper-Kernelement und insbesondere ein Kühlkörper-Kernelement, das durch Extrusion einer vorgebbaren Masse eines Aluminium-Rohlings in einen rohrförmigen Körper geformt werden kann, der eine dichte Stirnwandung aufweist und dann durch Stanzschneiden der Außenwandung des rohrförmigen Körpers geformt werden kann, um eine Vielzahl von dichtverteilten und gleichmäßig beabstandeten vertikal haltenden Nuten zur leichten Befestigung von Abstrahlungs-Lamellen auszubilden.The present invention relates to a heat sink core member, and more particularly to a heat sink core member which can be formed by extruding a predetermined mass of an aluminum blank into a tubular body having a sealed end wall and then formed by die cutting the outer wall of the tubular body to form a plurality of densely distributed and evenly spaced vertically-retaining grooves for easy attachment of radiating fins.
Ein Abstrahlungs-Lamellen-artiger Kühlkörper umfasst im Allgemeinen ein rohrförmiges Kernelement und eine Vielzahl von Abstrahlungs-Lamellen. Die Abstrahlungs-Lamellen befinden sich radial beabstandet um den Umfang des rohrförmigen Kernelements herum. Da die Abstrahlungs-Lamellen integral mit dem Umfang des rohrförmigen Kernelements ausgebildet sind, ist die Herstellung des Kühlkörpers kompliziert und sind die Kosten hoch. Außerdem weisen aufgrund technischer Beschränkungen die Abstrahlungs-Lamellen eine dicke Wandungsstärke auf. Im Ergebnis ist der Kühlkörper schwer. Aufgrund einer begrenzten Anzahl von Abstrahlungs-Lamellen ist die Wärme-Abführungs-Effizienz bei dieser Art von Kühlkörper begrenzt.A radiating fin-type heat sink generally includes a tubular core member and a plurality of radiating fins. The radiating fins are radially spaced around the circumference of the tubular core member. Since the radiating fins are integrally formed with the circumference of the tubular core member, the production of the heat sink is complicated and the cost is high. In addition, due to technical limitations, the radiation fins have a thick wall thickness. As a result, the heat sink is heavy. Due to a limited number of radiating fins, the heat dissipation efficiency is limited in this type of heat sink.
Während des Einsatzes ist das rohrförmige Kernelement mit einem Ende der Wärmequelle (CPU- oder LED-Vorrichtung) verbunden. Ein Wärmerohr kann angebracht sein, um die Wärme-Ableitungs-Leistung zu verbessern. Außerdem kann das rohrförmige Kernelement in Form eines runden Rohres, rechteckigen Rohres oder polygonalen Rohres gefertigt sein.During use, the tubular core member is connected to one end of the heat source (CPU or LED device). A heat pipe may be appropriate to improve heat dissipation performance. In addition, the tubular core member may be made in the form of a round tube, rectangular tube or polygonal tube.
Es sind Kühlkörper bekannt, bei welchen die Abstrahlungs-Lamellen mit dem Umfang des rohrförmigen Kernelements verlötet sind. Jedoch erfordert es viel Zeit und Arbeit, jede Abstrahlungs-Lamelle an den Umfang des rohrförmigen Kernelementes zu löten. Vor dem Verlöten kann eine Galvanisierungs-Technik erforderlich sein, so dass verschiedene metallische Materialien zusammen verlötet werden können. Außerdem ist dieses Herstellungsverfahren nicht umweltfreundlich. Außerdem verringert das Verbinden durch Verlöten die Hitze-Übertragungs-Effizienz. Weiter kann ein Kühlkörper direkt aus einem festen Aluminium-Rohling geschnitten werden. Dieses Verfahren benötigt viel Arbeit und Zeit und erzeugt viel Abfallmaterial, was die Kosten deutlich erhöht.Heat sinks are known in which the radiation fins are soldered to the circumference of the tubular core element. However, it takes much time and labor to solder each radiating fin to the periphery of the tubular core member. Before soldering, a plating technique may be required so that various metallic materials can be soldered together. In addition, this manufacturing process is not environmentally friendly. In addition, joining by soldering reduces heat transfer efficiency. Next, a heat sink can be cut directly from a solid aluminum blank. This process takes a lot of work and time and generates a lot of waste material, which significantly increases costs.
Darüber hinaus kann ein Kühlkörper-Kernelement direkt aus einem Aluminiumblock extrudiert werden. Dieses Verfahren dient dazu, einen Aluminiumblock in ein rohrförmiges Element strangzupressen, das längliche Nuten aufweist, die um den Umfang herum beabstandet sind. Das rohrförmige Element wird dann in rohrförmige Kernelemente gemäß der gewünschten Länge geschnitten. Die Abstrahlungs-Lamellen werden dann an den länglichen Nuten eines jeden rohrförmigen Kernelementes befestigt. Dieses Herstellungsverfahren weist noch folgende Nachteile auf:
- i) Aufgrund technischer Beschränkungen ist die Anzahl der länglichen Nuten des extrudierten Kühlkörper-Kernelementes begrenzt und deshalb kann nur eine begrenzte Anzahl von Abstrahlungs-Lamellen an dem Umfang des Kühlkörper-Kernelementes befestigt werden. Wenn die Anzahl der länglichen Nuten sich erhöht, kann die Wandungsstruktur des Kühlkörper-Kernelementes unter der Extrusion beschädigt werden.
- ii) Das fertiggestellte Kühlkörper-Kernelement entspricht einem hohlen rohrförmigen Element bzw. Teil, das zwei offene Enden aufweist. Ein plattes Element muss mit dem Kühlkörper-Kernelement verbunden werden, um sein eines Ende zu schließen, so dass das abgeschlossene Ende des Kühlkörper-Kernelementes an der Wärmequelle angebracht werden kann oder verwendet werden kann, um ein angebrachtes Element während des Einsatzes zu tragen. Weil jedoch das flache Element und das Kühlkörper-Kernelement nicht integral gefertigt sind, wird ein Kapillareffekt eintreten, der die Wärme-Übertragungs-Leistung verringert.
- i) Due to technical limitations, the number of elongate grooves of the extruded heat sink core member is limited, and therefore only a limited number of radiating fins can be attached to the periphery of the heat sink core member. As the number of elongated grooves increases, the wall structure of the heat sink core member may be damaged under extrusion.
- ii) The finished heat sink core member corresponds to a hollow tubular member having two open ends. A flat member must be connected to the heat sink core member to close one end thereof so that the terminated end of the heat sink core member can be attached to the heat source or used to support an attached member during use. However, because the flat member and the heat sink core member are not integrally formed, a capillary effect will occur which reduces the heat transfer performance.
Deshalb ist es wünschenswert, ein Kühlkörper-Kernelement bereitzustellen, das die Nachteile der bekannten Konstruktionen und Techniken beseitigt.Therefore, it is desirable to provide a heat sink core element that overcomes the disadvantages of the known designs and techniques.
Die vorliegende Erfindung wurde unter den betrachteten Umständen erreicht. Es ist eine Aufgabe der vorliegenden Erfindung, ein Kühlkörper-Kernelement-Herstellungsverfahren vorzuschlagen zur Herstellung eines Kühlkörper-Kernelementes mit Hilfe von Vorbereitung einer vorgebbaren Masse eines Aluminium-Rohlings und dann Extrudieren des Aluminium-Rohlings durch eine Extruder-Maschine in einen rohrförmigen Körper, der eine dichte Stirnwandung aufweist und dann durch Stanzschneiden der Außenwandung des rohrförmigen Körpers, um eine Vielzahl von dichtverteilten und gleichmäßig beabstandeten vertikal haltenden Nuten auszubilden. Somit können Abstrahlungs-Lamellen leicht an den vertikal haltenden Nuten des rohrförmigen Körpers befestigt werden, um einen Hochleistungs-Kühlkörper auszubilden.The present invention has been accomplished under the circumstances considered. It is an object of the present invention to provide a heat sink core element manufacturing method for manufacturing a heat sink core element by preparing a predetermined mass of an aluminum blank and then extruding the aluminum blank by an extruder machine into a tubular body which Having a sealed end wall and then by punching the outer wall of the tubular body to form a plurality of densely distributed and evenly spaced vertically-retaining grooves. Thus, radiation fins can be easily attached to the vertically-retaining grooves of the tubular body to form a high-performance heat sink.
Beim Einsatz des Kühlkörper-Kernelements dieser Anmeldung ist es vorteilhaft, dass das fertiggestellte Kühlkörper-Kernelement eine dichte Stirnwand aufweist. Im Ergebnis verhindert die Erfindung einen Kapillareffekt, wodurch effektiv die Wärmeübertragung erleichtert wird.When using the heat sink core element of this application, it is advantageous that the finished heat sink core element has a dense end wall. As a result, the invention prevents a capillary effect, thereby effectively facilitating heat transfer.
Bei einem Kühlkörper-Kernelement-Herstellungsverfahren zur Herstellung eines Kühlkörper-Kernelements der vorliegenden Anmeldung, kann der Stanzschneide-Schritt drei Unterschritte umfassen, d. h. den groben Stanzschneide-Unterschritt, um die Außenwandung des röhrenförmigen Körpers in eine vorgebbare Anzahl grober Nuten stanzzuschneiden, den feinen Stanzschneide-Unterschritt, um jede grobe Nute in eine feine Nute stanzzuschneiden, und den sehr feinen Stanzschneide-Unterschritt in jede feine Nute stanzzuschneiden. Diese Unterschritte werden automatisch durchgeführt, um die Herstellung zu vereinfachen und die Herstellungszeit und Arbeit zu sparen. In a heat sink core element manufacturing method for manufacturing a heat sink core member of the present application, the punch cutting step may include three sub-steps, ie, the rough punch cutting sub-step to cut the outer wall of the tubular body into a predetermined number of coarse grooves, the fine punch blade Sub-step to cut each coarse groove into a fine groove, and to cut the very fine punch cut sub-step into every fine groove. These substeps are performed automatically to simplify manufacturing and save manufacturing time and labor.
Wie in
Das Kühlkörper-Kernelement-Herstellungsverfahren enthält die Schritte:
- (a) Vorbereiten einer vorgebbaren Masse eines Aluminium-Rohlings
1 ; - (b) Extrudieren eines Aluminium-Rohlings mittels einer extrudierten Maschine in einen rohrförmigen Körper
10 , der eine dichte Stirnwandung11 aufweist; und - (c) Stanzschneiden der Außenwandung des rohrförmigen Körpers
10 , um eine Vielzahl von dichtverteilten und gleichmäßig beabstandeten vertikal haltenden Nuten12 auszubilden.
- (a) Preparing a predeterminable mass of an aluminum blank
1 ; - (B) Extruding an aluminum blank by means of an extruded machine in a
tubular body 10 that adense end wall 11 having; and - (c) Punching the outer wall of the
tubular body 10 to form a plurality of densely distributed and evenly spaced vertical retaininggrooves 12 train.
Wie in
Weiterhin werden während des Extrusions-Schrittes vertikale Rippen
Außerdem kann der rohrförmige Körper
Außerdem können die Abstrahlungs-Lamellen
Darüber hinaus können die vertikal haltenden Nuten
Zusammenfassend wird ein Kühlkörper-Kernelement offenbart, das gefertigt wird durch: Vorbereiten einer vorgebbaren Masse eines Aluminium-Rohlings, Extrudieren des Aluminium-Rohlings mittels einer Extruder-Maschine in einen rohrförmigen Körper, der eine dichte Stirnwandung aufweist und dann Stanzschneiden der Außenwandung des rohrförmigen Körpers, um eine Vielzahl von dichtverteilten und gleichmäßig beabstandeten vertikal haltenden Nuten auszubilden. Abstrahlungs-Lamellen können leicht an den vertikal haltenden Nuten des rohrförmigen Körpers befestigt werden, um einen Kühlkörper auszubilden.In summary, a heat sink core member is disclosed which is manufactured by: preparing a predetermined mass of an aluminum blank, extruding the aluminum blank by means of an extruder machine into a tubular body having a sealed end wall and then diecutting the outer wall of the tubular body to form a plurality of densely distributed and evenly spaced vertically-retaining grooves. Radiating fins can be easily attached to the vertically-retaining grooves of the tubular body to form a heat sink.
Obwohl besondere Ausführungsbeispiele der Erfindung im Detail beschrieben wurden zwecks der Veranschaulichung, können verschiedene Modifikationen und Verbesserungen gemacht werden ohne vom Geist und Umfang der Erfindung abzuweichen. Demgemäß soll die Erfindung nicht beschränkt sein außer durch die beiliegenden Ansprüche.Although particular embodiments of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention should not be limited except by the appended claims.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW099127906 | 2010-08-20 | ||
TW099127906A TW201043357A (en) | 2010-08-20 | 2010-08-20 | Core tube base for heat radiator and method for manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202010008604U1 true DE202010008604U1 (en) | 2011-05-12 |
Family
ID=43993224
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202010008604U Expired - Lifetime DE202010008604U1 (en) | 2010-08-20 | 2010-09-22 | Heatsink core element |
DE102011000230A Withdrawn DE102011000230A1 (en) | 2010-08-20 | 2011-01-20 | Heat sink core element and its manufacturing method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102011000230A Withdrawn DE102011000230A1 (en) | 2010-08-20 | 2011-01-20 | Heat sink core element and its manufacturing method |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120043067A1 (en) |
JP (1) | JP2012044129A (en) |
KR (1) | KR20120018039A (en) |
DE (2) | DE202010008604U1 (en) |
TW (1) | TW201043357A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102527758B (en) * | 2012-01-20 | 2014-12-03 | 东莞汉旭五金塑胶科技有限公司 | Extrusion moulding die for aluminum base of radiator and manufacture method thereof |
CN103296812B (en) * | 2012-03-05 | 2017-02-08 | 德昌电机(深圳)有限公司 | Motor stator and motor with stator |
CN102699632B (en) * | 2012-06-04 | 2014-07-09 | 宁波安拓实业有限公司 | Process for manufacturing lining blank of damper |
CN103406737B (en) * | 2013-08-21 | 2017-02-22 | 安徽鸿路钢结构(集团)股份有限公司 | Double-angle tubular pillar assembling method |
US11134618B2 (en) * | 2016-08-30 | 2021-10-05 | Current Lighting Solutions, Llc | Luminaire including a heat dissipation structure |
US11313631B2 (en) * | 2020-07-07 | 2022-04-26 | Hfc Industry Limited | Composite heat sink having anisotropic heat transfer metal-graphite composite fins |
Family Cites Families (18)
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US2289984A (en) * | 1940-07-12 | 1942-07-14 | Westinghouse Electric & Mfg Co | Air cooler for power tubes |
JP3453612B2 (en) * | 1994-12-22 | 2003-10-06 | 昭和電工株式会社 | Manufacturing method of pin fin heat sink |
JP3597640B2 (en) * | 1996-05-24 | 2004-12-08 | 蛇の目ミシン工業株式会社 | Heat sink manufacturing method |
DE19636237A1 (en) * | 1996-06-21 | 1998-01-02 | Siemens Ag | Low-voltage circuit-breaker switching contact system |
JP2000083343A (en) * | 1998-09-03 | 2000-03-21 | Mitsubishi Electric Corp | Motor frame and manufacture thereof |
JP2004100021A (en) * | 2002-09-12 | 2004-04-02 | Kobe Steel Ltd | Steel product for cutting and component used for mechanical structure |
US20050211416A1 (en) * | 2003-10-17 | 2005-09-29 | Kenya Kawabata | Heat sink with fins and a method for manufacturing the same |
US8020608B2 (en) * | 2004-08-31 | 2011-09-20 | Hewlett-Packard Development Company, L.P. | Heat sink fin with stator blade |
JP4015146B2 (en) * | 2004-10-12 | 2007-11-28 | 古河電気工業株式会社 | Heat sink with fins and method for manufacturing the same |
US7028757B1 (en) * | 2004-10-21 | 2006-04-18 | Hewlett-Packard Development Company, L.P. | Twin fin arrayed cooling device with liquid chamber |
US7296619B2 (en) * | 2004-10-21 | 2007-11-20 | Hewlett-Packard Development Company, L.P. | Twin fin arrayed cooling device with heat spreader |
US7914902B2 (en) * | 2007-11-06 | 2011-03-29 | Jiing Tung Tec. Metal Co., Ltd. | Thermal module |
CN101451694B (en) * | 2007-12-07 | 2012-10-10 | 富准精密工业(深圳)有限公司 | LED lamp |
JP2010040996A (en) * | 2008-08-08 | 2010-02-18 | Furukawa Electric Co Ltd:The | Heat sink |
US20100044009A1 (en) * | 2008-08-20 | 2010-02-25 | Shyh-Ming Chen | Annular heat dissipating device |
TWM353311U (en) * | 2008-10-07 | 2009-03-21 | Shi-Ming Chen | Improved heat dissipator |
US8196643B2 (en) * | 2009-01-20 | 2012-06-12 | Shyh Ming Chen | Ring heat dissipating device formed by punching and riveting through a shaping mold |
JP3158105U (en) * | 2009-11-26 | 2010-03-18 | 崇賢 ▲黄▼ | Electronic element heat dissipation structure |
-
2010
- 2010-08-20 TW TW099127906A patent/TW201043357A/en not_active IP Right Cessation
- 2010-09-08 JP JP2010200719A patent/JP2012044129A/en active Pending
- 2010-09-20 US US12/885,573 patent/US20120043067A1/en not_active Abandoned
- 2010-09-22 DE DE202010008604U patent/DE202010008604U1/en not_active Expired - Lifetime
- 2010-09-27 KR KR1020100093182A patent/KR20120018039A/en not_active Application Discontinuation
-
2011
- 2011-01-20 DE DE102011000230A patent/DE102011000230A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
TW201043357A (en) | 2010-12-16 |
TWI373385B (en) | 2012-10-01 |
JP2012044129A (en) | 2012-03-01 |
DE102011000230A1 (en) | 2012-02-23 |
US20120043067A1 (en) | 2012-02-23 |
KR20120018039A (en) | 2012-02-29 |
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Legal Events
Date | Code | Title | Description |
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R207 | Utility model specification |
Effective date: 20110616 |
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R150 | Utility model maintained after payment of first maintenance fee after three years | ||
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20131008 |
|
R151 | Utility model maintained after payment of second maintenance fee after six years | ||
R158 | Lapse of ip right after 8 years |