CN107331650A - Tack fin and circuit board and chip - Google Patents

Tack fin and circuit board and chip Download PDF

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Publication number
CN107331650A
CN107331650A CN201710625154.3A CN201710625154A CN107331650A CN 107331650 A CN107331650 A CN 107331650A CN 201710625154 A CN201710625154 A CN 201710625154A CN 107331650 A CN107331650 A CN 107331650A
Authority
CN
China
Prior art keywords
tack
heat
fin
substrate
powder
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.)
Pending
Application number
CN201710625154.3A
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Chinese (zh)
Inventor
闫晓琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan De Rayi Scarlett Electronic Mstar Technology Ltd
Original Assignee
Kunshan De Rayi Scarlett Electronic Mstar Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan De Rayi Scarlett Electronic Mstar Technology Ltd filed Critical Kunshan De Rayi Scarlett Electronic Mstar Technology Ltd
Priority to CN201710625154.3A priority Critical patent/CN107331650A/en
Publication of CN107331650A publication Critical patent/CN107331650A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • H01L23/3672Foil-like cooling fins or heat sinks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/373Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
    • H01L23/3735Laminates or multilayers, e.g. direct bond copper ceramic substrates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/373Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
    • H01L23/3737Organic materials with or without a thermoconductive filler

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The present invention provides a kind of tack fin and circuit board and chip, wherein, the tack fin includes:Heat sink body and the heat-conducting glue layer for being attached to the heat sink body one side.The tack fin of the present invention reduces the thickness of heat-conducting glue layer, with preferable heat-conducting effect, and has saved cost.Meanwhile, tack fin of the invention eliminates the operating process that manpower applies heat-conducting glue, reduces human cost, the used time is shorter, more efficient.

Description

Tack fin and circuit board and chip
Technical field
The present invention relates to technical field of electronic components, more particularly to a kind of tack fin and circuit board and chip.
Background technology
At present, in process of production, the one of which mode of production is that there is provided carrying electronic component for circuit board or chip Substrate, and in heat conduction sizing materials such as the backside coating tin creams of substrate, fin is then fixed on substrate by the tin cream of coating On, obtain final finished after finally being solidified.However, drawback present in aforementioned production method is:The heat-conducting glue of consumption Many, Material Cost is high, and tin cream thickness is thicker.Meanwhile, waste of manpower, during operating cost.
Therefore, in view of the above-mentioned problems, being necessary to propose further solution.
The content of the invention
It is an object of the invention to provide a kind of tack fin and circuit board and chip, deposited in the prior art with overcoming Deficiency.
For achieving the above object, the present invention provides a kind of tack fin, and it is pasted on the substrate for needing to radiate On, the tack fin includes:Heat sink body and the heat-conducting glue layer for being attached to the heat sink body one side.
As the improvement of the tack fin of the present invention, the heat sink body is in aluminium, copper, ceramics, boron nitride It is a kind of.
As the improvement of the tack fin of the present invention, the heat-conducting glue layer is to have the heat-conducting glue layer of base material or without base material Heat-conducting glue layer.
As the improvement of the tack fin of the present invention, the viscose glue in the heat-conducting glue layer is glue and heat conduction powder Mixture.
As the improvement of the tack fin of the present invention, the glue is in acrylic resin, silica gel, epoxy resin One or more, the heat conduction powder is one kind in ceramic powder, copper powder, aluminium powder, graphite powder, graphene powder, boron nitride powder Or it is several.
As the present invention tack fin improvement, the ceramic powder be aluminium oxide ceramics powder, aluminum nitride ceramic, One kind in beryllium oxide ceramics powder.
As the improvement of the tack fin of the present invention, the thickness of the heat-conducting glue layer is 1-100 μm.
As the present invention tack fin improvement, the substrate be aluminium base, copper base, iron substrate, steel substrate, One kind in ceramic wafer.
For achieving the above object, the present invention also provides a kind of circuit board, and it includes:Substrate, electronic component and Tack fin as described above;
The substrate has the front and back that is oppositely arranged, the integrally disposed front in the substrate of the electronic component, The fin is pasted on the back side of the substrate by the heat-conducting glue layer.
For achieving the above object, the present invention also provides a kind of chip, and it includes:Substrate, electronic component and such as Upper described tack fin;
The substrate has the front and back that is oppositely arranged, the integrally disposed front in the substrate of the electronic component, The fin is pasted on the back side of the substrate by the heat-conducting glue layer.
Compared with prior art, the beneficial effects of the invention are as follows:The tack fin of the present invention reduces heat-conducting glue layer Thickness, with preferable heat-conducting effect, and saved cost.Meanwhile, tack fin of the invention eliminates manpower painting The operating process of glue, reduces human cost, and the used time is shorter, more efficient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments described in invention, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the Rotating fields schematic diagram of the embodiment of tack fin one of the present invention;
Fig. 2 is the Rotating fields schematic diagram of an embodiment of the circuit board of the present invention.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these Embodiment not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method, Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
As shown in figure 1, the tack fin 10 of the present invention can be applied on substrate, to aid in the product using the substrate Radiated.Specifically, the tack fin includes:Heat sink body 1 and heat-conducting glue layer 2.Tack radiating of the present invention The applicable substrate of disk includes one kind in aluminium base, copper base, iron substrate, steel substrate, ceramic wafer.
Wherein, the material of the heat sink body 1 can be one kind in the materials such as aluminium, copper, ceramics, boron nitride.
The heat-conducting glue layer 2 is used to realize being fixedly connected and auxiliary heat dissipation for the heat sink body 1 and substrate.It is described Heat-conducting glue layer 2 can have relatively small thickness, that replace the gluing of existing connection, and its thickness can be 1-100 μm, With preferable thermal conductivity, and cost is saved.
Specifically, the heat-conducting glue layer is to have the heat-conducting glue layer of base material or the heat-conducting glue layer without base material.Wherein, there is base material Base material in heat-conducting glue layer can be glass fabric etc..Meanwhile, the viscose glue in the heat-conducting glue layer is glue and heat conduction powder The mixture of formation.The glue is the one or more in acrylic resin, silica gel, epoxy resin, and the heat conduction powder can Think the one or more in ceramic powder, copper powder, aluminium powder, graphite powder, graphene powder, boron nitride powder.Preferably, the ceramics Powder is one kind in aluminium oxide ceramics powder, aluminum nitride ceramic, beryllium oxide ceramics powder.
As shown in Fig. 2 based on tack fin 10 as described above, the present invention also provides a kind of circuit board 20, the electricity Road plate 20 includes:Substrate 21, electronic component 22 and tack fin 10 as described above.
Wherein, the substrate 21 has the front and back being oppositely arranged, and the electronic component 22 is integrally disposed in institute The front of substrate 21 is stated, the fin 10 is pasted on the back side of the substrate 21 by the heat-conducting glue layer.Preferably, it is described Electronic component 22 is welded in the front of the substrate by way of crossing wave-soldering.
In one embodiment, the circuit board 20 is obtained as follows:
S1, offer substrate, the heat-conducting glue layer are attached to the back side of the substrate, and apply pressing effect to the heat-conducting glue layer Power.Wherein, pressing instrument is preferably used to the uniformly applied pressing active force of heat-conducting glue layer, so that heat-conducting glue layer can be firm And equably it is attached to the back side of the substrate.
S2, in the heat-conducting glue layer overlying upper protective film.Wherein, the diaphragm is high temperature resistant diaphragm.
S3, electronic component is welded in the front of the substrate by way of crossing wave-soldering.
The diaphragm is torn off after S4, cooling, and heat sink body is directly affixed in the heat-conducting glue layer.
Analogously, based on tack fin 10 as described above, the present invention also provides a kind of chip, the chip bag Include:Substrate, electronic component and tack fin as described above.
Wherein, the substrate has the front and back being oppositely arranged, and the electronic component is integrally disposed in the base The front of plate, the fin is pasted on the back side of the substrate by the heat-conducting glue layer.Preferably, the electronic component The front of the substrate is welded in by way of crossing wave-soldering.
In summary, tack fin of the invention reduces the thickness of heat-conducting glue layer, with preferable heat-conducting effect, And saved cost.Meanwhile, tack fin of the invention eliminates the operating process of manpower gluing, reduce manpower into This, the used time is shorter, more efficient.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (10)

1. a kind of tack fin, it is pasted on the substrate for needing to radiate, it is characterised in that the tack fin bag Include:Heat sink body and the heat-conducting glue layer for being attached to the heat sink body one side.
2. tack fin according to claim 1, it is characterised in that the heat sink body be aluminium, copper, ceramics, One kind in boron nitride.
3. tack fin according to claim 1, it is characterised in that the heat-conducting glue layer is the heat-conducting glue for having base material Layer or the heat-conducting glue layer without base material.
4. tack fin according to claim 1, it is characterised in that viscose glue in the heat-conducting glue layer for glue with The mixture of heat conduction powder.
5. tack fin according to claim 4, it is characterised in that the glue is acrylic resin, silica gel, ring One or more in oxygen tree fat, the heat conduction powder is ceramic powder, copper powder, aluminium powder, graphite powder, graphene powder, boron nitride One or more in powder.
6. tack fin according to claim 5, it is characterised in that the ceramic powder is aluminium oxide ceramics powder, nitrogen Change one kind in aluminium ceramic powder, beryllium oxide ceramics powder.
7. tack fin according to claim 1, it is characterised in that the thickness of the heat-conducting glue layer is 1-100 μm.
8. tack fin according to claim 1, it is characterised in that the substrate is aluminium base, copper base, iron-based One kind in plate, steel substrate, ceramic wafer.
9. a kind of circuit board, it is characterised in that the circuit board includes:Substrate, electronic component and such as claim 1 ~ 8 times Tack fin described in one;
The substrate has the front and back that is oppositely arranged, the integrally disposed front in the substrate of the electronic component, The fin is pasted on the back side of the substrate by the heat-conducting glue layer.
10. a kind of chip, it is characterised in that the chip includes:Substrate, electronic component and such as claim 1 ~ 8 are any Tack fin described in;
The substrate has the front and back that is oppositely arranged, the integrally disposed front in the substrate of the electronic component, The fin is pasted on the back side of the substrate by the heat-conducting glue layer.
CN201710625154.3A 2017-07-27 2017-07-27 Tack fin and circuit board and chip Pending CN107331650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710625154.3A CN107331650A (en) 2017-07-27 2017-07-27 Tack fin and circuit board and chip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710625154.3A CN107331650A (en) 2017-07-27 2017-07-27 Tack fin and circuit board and chip

Publications (1)

Publication Number Publication Date
CN107331650A true CN107331650A (en) 2017-11-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710625154.3A Pending CN107331650A (en) 2017-07-27 2017-07-27 Tack fin and circuit board and chip

Country Status (1)

Country Link
CN (1) CN107331650A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109722180A (en) * 2019-01-28 2019-05-07 深圳市睿晖新材料有限公司 A kind of mucilage materials with heating conduction and the radiator being made of it
CN114096118A (en) * 2021-11-03 2022-02-25 武汉华星光电半导体显示技术有限公司 Heat radiating fin, preparation method thereof and electronic device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2790114Y (en) * 2005-04-27 2006-06-21 上海小糸车灯有限公司 Radiating structure for paster light-emitting diode
CN202799529U (en) * 2012-08-16 2013-03-13 苏州金科信汇光电科技有限公司 Self-adhesive soft heat conduction substrate
CN103118521A (en) * 2013-01-30 2013-05-22 东莞龙郝胶粘制品有限公司 Uniform cooling fin and production method thereof
CN203261615U (en) * 2013-03-05 2013-10-30 华越科技股份有限公司 Flexible metal radiating fin
CN103715110A (en) * 2012-09-28 2014-04-09 三垦电气株式会社 Method for manufacturing semiconductor module, joint device and semiconductor module
CN203774320U (en) * 2014-03-13 2014-08-13 杭州明果教育咨询有限公司 Multi-field-effect-transistor integrating module
CN205320449U (en) * 2016-01-21 2016-06-15 浪潮电子信息产业股份有限公司 Fin with heat -conducting glue and sticker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2790114Y (en) * 2005-04-27 2006-06-21 上海小糸车灯有限公司 Radiating structure for paster light-emitting diode
CN202799529U (en) * 2012-08-16 2013-03-13 苏州金科信汇光电科技有限公司 Self-adhesive soft heat conduction substrate
CN103715110A (en) * 2012-09-28 2014-04-09 三垦电气株式会社 Method for manufacturing semiconductor module, joint device and semiconductor module
CN103118521A (en) * 2013-01-30 2013-05-22 东莞龙郝胶粘制品有限公司 Uniform cooling fin and production method thereof
CN203261615U (en) * 2013-03-05 2013-10-30 华越科技股份有限公司 Flexible metal radiating fin
CN203774320U (en) * 2014-03-13 2014-08-13 杭州明果教育咨询有限公司 Multi-field-effect-transistor integrating module
CN205320449U (en) * 2016-01-21 2016-06-15 浪潮电子信息产业股份有限公司 Fin with heat -conducting glue and sticker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109722180A (en) * 2019-01-28 2019-05-07 深圳市睿晖新材料有限公司 A kind of mucilage materials with heating conduction and the radiator being made of it
CN114096118A (en) * 2021-11-03 2022-02-25 武汉华星光电半导体显示技术有限公司 Heat radiating fin, preparation method thereof and electronic device

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Application publication date: 20171107

RJ01 Rejection of invention patent application after publication