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1. 发明授权

US07923833B2 Semiconductor module 有权
标题翻译：半导体模块
公开(公告)号：US07923833B2
公开(公告)日：2011-04-12
申请号：US12086715
申请日：2006-12-11
申请人： Yuichi Furukawa , Shinobu Yamauchi , Nobuhiro Wakabayashi , Shintaro Nakagawa , Keiji Toh , Eiji Kono , Kota Otoshi , Katsufumi Tanaka
发明人： Yuichi Furukawa , Shinobu Yamauchi , Nobuhiro Wakabayashi , Shintaro Nakagawa , Keiji Toh , Eiji Kono , Kota Otoshi , Katsufumi Tanaka
IPC分类号： H01L23/06
CPC分类号： H01L23/3735 , H01L23/367 , H01L23/473 , H01L2224/32225 , H01L2924/1305 , H01L2924/13055 , H01L2924/00
摘要： A semiconductor module 10 includes a ceramic substrate having a front surface on which a semiconductor element 12 is mounted and a rear surface on the opposite side of the front surface, a front metal plate 15 joined to the front surface, a rear metal plate 16 joined to the rear surface, and a heat sink 13 joined to the rear metal plate 16. The rear metal plate 16 includes a joint surface 16b that faces the heat sink 13. The joint surface 16b includes a joint area and a non-joint area. The non-joint area includes recesses 18 which extend in the thickness direction of the rear metal plate 16. The joint area of the rear metal plate 16 is in a range from 65% to 85% of the total area of the joint surface 16b on the rear metal plate 16. As a result, excellent heat dissipating performance can be achieved while occurrence of distortion and cracking due to thermal stress is prevented.
摘要翻译：半导体模块10包括陶瓷基板，其具有安装有半导体元件12的前表面和在前表面的相对侧上的后表面，与前表面接合的前金属板15，后金属板16接合后部金属板16包括面向散热片13的接合面16b。接合面16b包括接合区域和非接合区域。非接合区域包括在后金属板16的厚度方向上延伸的凹部18.后金属板16的接合面积在接合面16b的总面积的65％〜85％的范围内后金属板16.结果，可以在发生由于热应力引起的变形和开裂的同时实现优异的散热性能。

2. 发明申请

US20070163761A1 Heat exchanger and method for manufacturing the same 失效
标题翻译：热交换器及其制造方法
公开(公告)号：US20070163761A1
公开(公告)日：2007-07-19
申请号：US10587173
申请日：2005-02-10
申请人： Kazuhiko Minami , Daishi Tanaka , Shintaro Nakagawa
发明人： Kazuhiko Minami , Daishi Tanaka , Shintaro Nakagawa
IPC分类号： F28F13/18
CPC分类号： C23C22/34 , C23C22/361 , F25B39/04 , F28D1/05366 , F28D2021/0084 , F28F19/06 , F28F21/084
摘要： A method for manufacturing an aluminum heat exchanger includes the steps of: obtaining a heat exchanger tube 2 by forming a Zn thermally sprayed layer on a surface of an aluminum flat tube core so as to adjust Zn adhesion amount to 1 to 10 g/m2; obtaining a heat exchanger core by alternatively arranging the heat exchanger tube 2 and an aluminum fin 3 and brazing the heat exchanger tube and the fin with end portions of the heat exchanger tube connected to aluminum headers in fluid communication; and forming a chemical conversion treatment coat (corrosion resistance coat) on a surface of the heat exchanger core by subjecting the surface of the heat exchanger core to chemical conversion treatment using at least one chemical conversion treatment agent selected from the group consisting of phosphoric acid chromate, chromic acid chromate, phosphoric acid zirconium series, phosphoric acid titanium series, fluoridation zirconium series, and fluoridation titanium series. The obtained heat exchanger has a long last good corrosion resistance and can prevent occurrence of fin detachment and pit corrosion.
摘要翻译：铝热交换器的制造方法包括以下步骤：通过在铝扁平管芯的表面上形成Zn热喷镀层来获得热交换管2，以将Zn附着量调整为1〜10g / SUP> 2 ; 通过交替布置热交换器管2和铝翅片3并且通过流体连通的连接到铝集管的热交换器管的端部钎焊热交换器管和翅片来获得热交换器芯; 以及通过使用至少一种选自磷酸铬酸盐的化学转化处理剂对热交换器芯的表面进行化学转化处理，在热交换器芯的表面上形成化学转化处理涂层（耐腐蚀性涂层），铬酸铬酸盐，磷酸锆系列，磷酸钛系列，氟化锆系列和氟化钛系列。获得的热交换器具有长时间的良好的耐腐蚀性，并且可以防止翅片脱落和凹坑腐蚀的发生。

3. 发明授权

US08821651B2 Method for surface treating a heat exchanger, hydrophilizing treatment agent, and aluminum heat exchanger 有权
标题翻译：表面处理热交换器，亲水处理剂和铝热交换器的方法
公开(公告)号：US08821651B2
公开(公告)日：2014-09-02
申请号：US13011180
申请日：2011-01-21
申请人： Tatsuo Yoshida , Masahiko Matsukawa , Miwa Iida , Shintaro Nakagawa
发明人： Tatsuo Yoshida , Masahiko Matsukawa , Miwa Iida , Shintaro Nakagawa
IPC分类号： C23C22/56 , F28F19/02 , F28F19/00
CPC分类号： F28F19/04 , B23K1/0012 , B23K1/008 , B23K31/00 , B23K2101/14 , B23K2103/10 , C08K3/36 , C08K5/3412 , C08K9/04 , C09D5/082 , C09D7/62 , C23C22/83 , F28D2021/0085 , F28F2245/02 , F28F2275/04
摘要： A method for surface treating a heat exchanger, a hydrophilizing treatment agent used in this method, and an aluminum heat exchanger obtained from this method are provided that excel in the initial adherence, hydrophilicity, and odor suppressibility, and can maintain these abilities for an extended time, while having little burden on the environment and the human body. The method for surface treating an aluminum heat exchanger that is brazed includes (1) a pickling treatment step; (2) a chemical conversion treatment step; and (3) a hydrophilization treatment step, in which the acidic cleaning agent contains nitric acid and sulfuric acid and contains ferric salt in a predetermined amount, the hydrophilizing treatment agent contains silica grains coated with a vinyl alcohol polymer and a polyallylamine resin.
摘要翻译：提供了一种用于表面处理热交换器的方法，该方法中使用的亲水处理剂和由该方法得到的铝热交换器，其具有优异的初始粘附性，亲水性和气味抑制性，并且可以将这些能力保持在延伸而对环境和人体的负担却很小。用于表面处理钎焊的铝热交换器的方法包括（1）酸洗处理步骤; （2）化学转化处理步骤; 和（3）亲水化处理工序，其中酸性清洗剂含有硝酸和硫酸并含有预定量的铁盐，亲水处理剂含有涂覆有乙烯醇聚合物和聚烯丙基胺树脂的二氧化硅颗粒。

4. 发明授权

US08387685B2 Heat sink for power module 失效
标题翻译：电源模块散热片
公开(公告)号：US08387685B2
公开(公告)日：2013-03-05
申请号：US11919368
申请日：2006-04-19
申请人： Masahiko Kimbara , Keiji Toh , Hidehito Kubo , Katsufumi Tanaka , Kota Otoshi , Eiji Kono , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
发明人： Masahiko Kimbara , Keiji Toh , Hidehito Kubo , Katsufumi Tanaka , Kota Otoshi , Eiji Kono , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
IPC分类号： F28F7/00 , F28F3/12
CPC分类号： H01L23/473 , F28F3/086 , F28F3/12 , H01L23/3731 , H01L23/3736 , H01L2224/48091 , H01L2224/48137 , H01L2924/00014
摘要： A heat sink for a power module able to realize a further improvement of heat radiating performance and a further improvement of a mounting property is provided.The heat sink 1 for a power module has a laminating body 20, a first side plate 30 and a second side plate 40. The laminating body 20 has plural flow path plates 21 formed in a plate shape in which plural grooves 23 parallel to each other are concavely arranged on a flat joining face 22. Each groove 23 is set to a parallel flow path 50 parallel to a front face side by laminating each flow path plate 21 by each joining face 22. A portion other than each groove 23 of each joining face 22 forms a heat transfer path 70a to each parallel flow path 50 of a laminating direction. A flow-in path 30a and a flow-out path 40a are formed in the first and second side plates 30, 40. The flow-in path 30a and the flow-out path 40a are joined to side faces 26a, 26b of the laminating body 20, and are communicated with each parallel flow path 50. The flow-in path 30a flows a cooling medium into each parallel flow path 50. The flow-out path 40a flows the cooling medium out of each parallel flow path 50. A refrigerant flow path is constructed by the flow-in path 30a, each parallel flow path 50 and the flow-out path 40a.
摘要翻译：提供了能够实现进一步提高散热性能的功率模块的散热器，并且进一步提高了安装特性。用于功率模块的散热器1具有层叠体20，第一侧板30和第二侧板40.层叠体20具有多个形成为板状的流路板21，多个相互平行的槽23 凹陷地布置在平坦的接合面22上。每个槽23通过每个接合面22层压每个流路板21而设置成平行于前表面的平行流动路径50.每个连接的每个槽23之外的部分面22对层叠方向的各平行流路50形成传热路径70a。在第一和第二侧板30,40中形成有流入路径30a和流出路径40a。流入路径30a和流出路径40a与层叠的侧面26a，26b接合主体20并与每个平行流动路径50连通。流入路径30a将冷却介质流入每个平行流动路径50.流出路径40a将冷却介质从每个平行流动路径50流出。制冷剂流路由流入路径30a，每个平行流路50和流出路径40a构成。

5. 发明授权

US08198539B2 Heat radiator and power module 失效
标题翻译：散热器和电源模块
公开(公告)号：US08198539B2
公开(公告)日：2012-06-12
申请号：US11994896
申请日：2006-07-05
申请人： Kota Otoshi , Eiji Kono , Keiji Toh , Katsufumi Tanaka , Yuichi Furukawa , Shinobu Yamauchi , Ryoichi Hoshino , Nobuhiro Wakabayashi , Shintaro Nakagawa
发明人： Kota Otoshi , Eiji Kono , Keiji Toh , Katsufumi Tanaka , Yuichi Furukawa , Shinobu Yamauchi , Ryoichi Hoshino , Nobuhiro Wakabayashi , Shintaro Nakagawa
IPC分类号： H05K1/00
CPC分类号： H05K3/0061 , H01L23/367 , H01L23/3677 , H01L23/3735 , H01L23/473 , H01L2924/0002 , H05K1/0306 , H05K3/341 , H05K2201/0373 , H05K2201/1028 , H05K2203/0405 , Y02P70/613 , H01L2924/00
摘要： A heat radiator 1 includes an insulating substrate 3 whose first side serves as a heat-generating-element-mounting side, and a heat sink 5 fixed to a second side of the insulating substrate 3. A metal layer 7 is formed on the second side of the insulating substrate 3 opposite the heat-generating-element-mounting side. A stress relaxation member 4 formed of a high-thermal-conduction material intervenes between the metal layer 7 of the insulating substrate 3 and the heat sink 5 and includes a plate-like body 10 and a plurality of projections 11 formed at intervals on one side of the plate-like body 10. The end faces of the projections 11 of the stress relaxation member 4 are brazed to the metal layer 7, whereas the side of the plate-like body 10 on which the projections 11 are not formed is brazed to the heat sink 5. This heat radiator 1 is low in material cost and exhibits excellent heat radiation performance.
摘要翻译：散热器1包括第一侧用作发热元件安装侧的绝缘基板3和固定到绝缘基板3的第二侧的散热片5.金属层7形成在第二侧绝缘基板3与发热元件安装侧相反。由高导热材料形成的应力松弛部件4介于绝缘基板3的金属层7和散热片5之间，并且包括板状体10和在一侧形成为间隔的多个突起11 板状体10的突起11的端面钎焊到金属层7，而没有形成突起11的板状体10的侧面钎焊到该散热器1的材料成本低，散热性能优异。

6. 发明申请

US20120064241A1 METHOD OF SURFACE-TREATING ALUMINUM HEAT EXCHANGERS FOR VEHICLES, AND METHOD OF MANUFACTURING THE HEAT EXCHANGERS 审中-公开
标题翻译：表面处理用于车辆的铝热交换器的方法和制造热交换器的方法
公开(公告)号：US20120064241A1
公开(公告)日：2012-03-15
申请号：US13230420
申请日：2011-09-12
申请人： Tatsuo YOSHIDA , Isao KAWASAKI , Takashi TERADA , Satoshi MATSUMOTO , Shintaro NAKAGAWA
发明人： Tatsuo YOSHIDA , Isao KAWASAKI , Takashi TERADA , Satoshi MATSUMOTO , Shintaro NAKAGAWA
IPC分类号： B05D3/02
CPC分类号： B01D53/88 , B01D2255/2092 , B01D2255/802 , B01D2257/708 , B01D2259/4566 , F28F21/084 , F28F2245/00 , F28F2265/00 , Y02A50/235
摘要： The present invention relates to a method of surface-treating an aluminum heat exchanger for vehicles in which a sufficient amount of photocatalytic metal oxide particles are retained on a surface of the heat exchanger in a state capable of exhibiting a photocatalytic activity thereof to remove VOC in a compartment of the vehicles by irradiating an ultraviolet ray thereto in an efficient manner. The method of surface-treating an aluminum heat exchanger for vehicles according to the present invention includes (1) a step of dispersing photocatalytic metal oxide particles whose surface is modified with apatite in an aqueous solution in which a low-temperature heat-decomposable resin is dissolved, to prepare a slurry; (2) a step of applying the slurry onto a surface of the heat exchanger; and (3) a step of drying the heat exchanger at a temperature of from 150 to 280° C. to decompose and remove a part of the low-temperature heat-decomposable resin on the surface of the photocatalytic metal oxide particles.
摘要翻译：本发明涉及对车辆用铝热交换器进行表面处理的方法，其中足够量的光催化金属氧化物颗粒以能够显示其光催化活性以除去VOC的状态保留在热交换器的表面上通过以有效的方式向其照射紫外线的车辆的隔室。根据本发明的用于车辆的铝热交换器的表面处理方法包括（1）将表面用磷灰石改性的光催化性金属氧化物颗粒分散在其中低温可热分解树脂为溶解，制备浆料; （2）将浆料施加到热交换器的表面上的步骤; 和（3）在150〜280℃的温度下干燥热交换器，分解除去光催化性金属氧化物粒子表面的一部分低温热分解性树脂的工序。

7. 发明申请

US20110180248A1 Method for Surface Treating a Heat Exchanger, Hydrophilizing Treatment Agent, and Aluminum Heat Exchanger 有权
标题翻译：热交换器，亲水处理剂和铝热交换器的表面处理方法
公开(公告)号：US20110180248A1
公开(公告)日：2011-07-28
申请号：US13011180
申请日：2011-01-21
申请人： Tatsuo YOSHIDA , Masahiko MATSUKAWA , Miwa IIDA , Shintaro NAKAGAWA
发明人： Tatsuo YOSHIDA , Masahiko MATSUKAWA , Miwa IIDA , Shintaro NAKAGAWA
IPC分类号： F28F7/00 , C23C22/00
CPC分类号： F28F19/04 , B23K1/0012 , B23K1/008 , B23K31/00 , B23K2101/14 , B23K2103/10 , C08K3/36 , C08K5/3412 , C08K9/04 , C09D5/082 , C09D7/62 , C23C22/83 , F28D2021/0085 , F28F2245/02 , F28F2275/04
摘要： A method for surface treating a heat exchanger, a hydrophilizing treatment agent used in this method, and an aluminum heat exchanger obtained from this method are provided that excel in the initial adherence, hydrophilicity, and odor suppressibility, and can maintain these abilities for an extended time, while having little burden on the environment and the human body. The method for surface treating an aluminum heat exchanger that is brazed includes (1) a pickling treatment step; (2) a chemical conversion treatment step; and (3) a hydrophilization treatment step, in which the acidic cleaning agent contains nitric acid and sulfuric acid and contains ferric salt in a predetermined amount, the hydrophilizing treatment agent contains silica grains coated with a vinyl alcohol polymer and a polyallylamine resin.
摘要翻译：提供了一种用于表面处理热交换器的方法，该方法中使用的亲水处理剂和由该方法得到的铝热交换器，其具有优异的初始粘附性，亲水性和气味抑制性，并且可以将这些能力保持在延伸而对环境和人体的负担却很小。用于表面处理钎焊的铝热交换器的方法包括（1）酸洗处理步骤; （2）化学转化处理步骤; 和（3）亲水化处理工序，其中酸性清洗剂含有硝酸和硫酸并含有预定量的铁盐，亲水处理剂含有涂覆有乙烯醇聚合物和聚烯丙基胺树脂的二氧化硅颗粒。

8. 发明申请

US20090314474A1 HEAT SINK FOR POWER MODULE 失效
标题翻译：电源模块散热器
公开(公告)号：US20090314474A1
公开(公告)日：2009-12-24
申请号：US11919368
申请日：2006-04-19
申请人： Masahiko Kimbara , Keiji Toh , Hidehito Kubo , Katsufumi Tanaka , Kota Otoshi , Eiji Kono , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
发明人： Masahiko Kimbara , Keiji Toh , Hidehito Kubo , Katsufumi Tanaka , Kota Otoshi , Eiji Kono , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
IPC分类号： H05K7/20 , F28D15/00 , F28F3/12
CPC分类号： H01L23/473 , F28F3/086 , F28F3/12 , H01L23/3731 , H01L23/3736 , H01L2224/48091 , H01L2224/48137 , H01L2924/00014
摘要： A heat sink for a power module able to realize a further improvement of heat radiating performance and a further improvement of a mounting property is provided.The heat sink 1 for a power module has a laminating body 20, a first side plate 30 and a second side plate 40. The laminating body 20 has plural flow path plates 21 formed in a plate shape in which plural grooves 23 parallel to each other are concavely arranged on a flat joining face 22. Each groove 23 is set to a parallel flow path 50 parallel to a front face side by laminating each flow path plate 21 by each joining face 22. A portion other than each groove 23 of each joining face 22 forms a heat transfer path 70a to each parallel flow path 50 of a laminating direction. A flow-in path 30a and a flow-out path 40a are formed in the first and second side plates 30, 40. The flow-in path 30a and the flow-out path 40a are joined to side faces 26a, 26b of the laminating body 20, and are communicated with each parallel flow path 50. The flow-in path 30a flows a cooling medium into each parallel flow path 50. The flow-out path 40a flows the cooling medium out of each parallel flow path 50. A refrigerant flow path is constructed by the flow-in path 30a, each parallel flow path 50 and the flow-out path 40a.
摘要翻译：提供了能够实现进一步提高散热性能的功率模块的散热器，并且进一步提高了安装特性。用于功率模块的散热器1具有层叠体20，第一侧板30和第二侧板40.层叠体20具有多个形成为板状的流路板21，多个相互平行的槽23 凹陷地布置在平坦的接合面22上。每个槽23通过每个接合面22层压每个流路板21而设置成平行于前表面的平行流动路径50.每个连接的每个槽23之外的部分面22对层叠方向的各平行流路50形成传热路径70a。在第一和第二侧板30,40中形成有流入路径30a和流出路径40a。流入路径30a和流出路径40a与层叠的侧面26a，26b接合主体20并与每个平行流动路径50连通。流入路径30a将冷却介质流入每个平行流动路径50.流出路径40a将冷却介质从每个平行流动路径50流出。制冷剂流路由流入路径30a，每个平行流路50和流出路径40a构成。

9. 发明申请

US20090302458A1 Heat Sink For Power Module 失效
标题翻译：功率模块散热片
公开(公告)号：US20090302458A1
公开(公告)日：2009-12-10
申请号：US11922945
申请日：2006-06-27
申请人： Hidehito Kubo , Masahiko Kimbara , Keiji Toh , Kota Otoshi , Eiji Kono , Katsufumi Tanaka , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
发明人： Hidehito Kubo , Masahiko Kimbara , Keiji Toh , Kota Otoshi , Eiji Kono , Katsufumi Tanaka , Nobuhiro Wakabayashi , Shintaro Nakagawa , Yuichi Furukawa , Shinobu Yamauchi
IPC分类号： H01L23/367 , H05K7/20
CPC分类号： H05K7/20263 , F28F3/027 , H01L23/3672 , H01L23/473 , H01L2924/0002 , H01L2924/00
摘要： A heat sink (1) for power module is capable of mounting a power device (101) on at least a surface of the heat sink. The heat sink includes a refrigerant passage (1d) in which cooling medium that dissipates heat generated by the power device (101) flows and a corrugated fin body (1a) arranged in the refrigerant passage (1d). The corrugated fin body (1a) has crests (21b) and troughs (21c) that extend in the flow direction of the cooling medium, and side walls (21a) each of which connects the corresponding one of the crests (21b) with the adjacent one of the troughs (21c). Each adjacent pair of the side walls (21a) and the corresponding one of the crests (21b) or the corresponding one of the troughs (21c) arranged between the adjacent side walls (21a) form a fin (21). Each of the side walls (21a) has a louver (31) that operates to, at least, rotate the cooling medium flowing in the associated fin (21). The heat sink (1) thus has a further improved heat dissipating performance.
摘要翻译：用于功率模块的散热器（1）能够将功率器件（101）安装在散热器的至少一个表面上。散热器包括散发由动力装置（101）产生的热量的冷却介质流动的制冷剂通路（1d）和布置在制冷剂通路（1d）中的波纹状散热片体（1a）。波纹状散热片体（1a）具有在冷却介质的流动方向上延伸的波峰（21b）和槽（21c），以及各个顶部（21b）的相应一个与相邻的顶部一个槽（21c）。布置在相邻侧壁（21a）之间的每个相邻的一对侧壁（21a）和相应的一个峰（21b）或相应的一个槽（21c）形成翅片（21）。每个侧壁（21a）具有操作以使至少旋转在相关联的翅片（21）中流动的冷却介质的百叶窗（31）。因此，散热器（1）具有进一步改善的散热性能。

10. 发明申请

US20090200065A1 HEAT DISSIPATION DEVICE AND POWER MODULE 失效
标题翻译：散热装置和电源模块
公开(公告)号：US20090200065A1
公开(公告)日：2009-08-13
申请号：US11994896
申请日：2006-07-05
申请人： Kota Otoshi , Eiji Kono , Keiji Toh , Katsufumi Tanaka , Yuichi Furukawa , Shinobu Yamauchi , Ryoichi Hoshino , Nobuhiro Wakabayashi , Shintaro Nakagawa
发明人： Kota Otoshi , Eiji Kono , Keiji Toh , Katsufumi Tanaka , Yuichi Furukawa , Shinobu Yamauchi , Ryoichi Hoshino , Nobuhiro Wakabayashi , Shintaro Nakagawa
IPC分类号： H05K7/20
CPC分类号： H05K3/0061 , H01L23/367 , H01L23/3677 , H01L23/3735 , H01L23/473 , H01L2924/0002 , H05K1/0306 , H05K3/341 , H05K2201/0373 , H05K2201/1028 , H05K2203/0405 , Y02P70/613 , H01L2924/00
摘要： A heat radiator 1 includes an insulating substrate 3 whose first side serves as a heat-generating-element-mounting side, and a heat sink 5 fixed to a second side of the insulating substrate 3. A metal layer 7 is formed on the second side of the insulating substrate 3 opposite the heat-generating-element-mounting side. A stress relaxation member 4 formed of a high-thermal-conduction material intervenes between the metal layer 7 of the insulating substrate 3 and the heat sink 5 and includes a plate-like body 10 and a plurality of projections 11 formed at intervals on one side of the plate-like body 10. The end faces of the projections 11 of the stress relaxation member 4 are brazed to the metal layer 7, whereas the side of the plate-like body 10 on which the projections 11 are not formed is brazed to the heat sink 5. This heat radiator 1 is low in material cost and exhibits excellent heat radiation performance.
摘要翻译：散热器1包括第一侧用作发热元件安装侧的绝缘基板3和固定到绝缘基板3的第二侧的散热片5.金属层7形成在第二侧绝缘基板3与发热元件安装侧相反。由高导热材料形成的应力松弛部件4介于绝缘基板3的金属层7和散热片5之间，并且包括板状体10和在一侧形成为间隔的多个突起11 板状体10的突起11的端面钎焊到金属层7，而没有形成突起11的板状体10的侧面钎焊到该散热器1的材料成本低，散热性能优异。

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