WO2021140586A1 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- WO2021140586A1 WO2021140586A1 PCT/JP2020/000274 JP2020000274W WO2021140586A1 WO 2021140586 A1 WO2021140586 A1 WO 2021140586A1 JP 2020000274 W JP2020000274 W JP 2020000274W WO 2021140586 A1 WO2021140586 A1 WO 2021140586A1
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/22—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections
- H10W40/226—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area
- H10W40/228—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area the projecting parts being wire-shaped or pin-shaped
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- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
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- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/25—Arrangements for cooling characterised by their materials
- H10W40/255—Arrangements for cooling characterised by their materials having a laminate or multilayered structure, e.g. direct bond copper [DBC] ceramic substrates
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- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/70—Fillings or auxiliary members in containers or in encapsulations for thermal protection or control
- H10W40/77—Auxiliary members characterised by their shape
- H10W40/778—Auxiliary members characterised by their shape in encapsulations
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- H10W74/016—Manufacture or treatment using moulds
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- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/40—Encapsulations, e.g. protective coatings characterised by their materials
- H10W74/47—Encapsulations, e.g. protective coatings characterised by their materials comprising organic materials, e.g. plastics or resins
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- H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
- H10W70/40—Leadframes
- H10W70/481—Leadframes for devices being provided for in groups H10D8/00 - H10D48/00
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07331—Connecting techniques
- H10W72/07336—Soldering or alloying
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07351—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting
- H10W72/07354—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting changes in dispositions
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/075—Connecting or disconnecting of bond wires
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- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/076—Connecting or disconnecting of strap connectors
- H10W72/07631—Techniques
- H10W72/07636—Soldering or alloying
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- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/341—Dispositions of die-attach connectors, e.g. layouts
- H10W72/347—Dispositions of multiple die-attach connectors
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- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/351—Materials of die-attach connectors
- H10W72/352—Materials of die-attach connectors comprising metals or metalloids, e.g. solders
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- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/853—On the same surface
- H10W72/871—Bond wires and strap connectors
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- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/753—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between laterally-adjacent chips
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- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
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- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/761—Package configurations characterised by the relative positions of pads or connectors relative to package parts of strap connectors
- H10W90/763—Package configurations characterised by the relative positions of pads or connectors relative to package parts of strap connectors between laterally-adjacent chips
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- H10W90/00—Package configurations
- H10W90/811—Multiple chips on leadframes
Definitions
- This disclosure relates to a semiconductor device and a method for manufacturing the same.
- Some semiconductor devices that control electric power are equipped with a base plate that has pin fins for heat dissipation.
- the pin fins protrude downward from the package, there is a problem that the operator causes the pin fins to come into contact with the work table and deform them due to a work error when assembling the semiconductor device.
- the material of the pin fin is aluminum, it is easily deformed by contact. If the pin fins are deformed, heat dissipation may be reduced, the refrigerant flow path may be clogged, and the refrigerant may leak. Therefore, if the pin fins are deformed, the shape will be defective and the product cannot be shipped.
- Patent Document 1 in a semiconductor device in which a cooler and a plurality of semiconductor modules to be cooled are integrated, a plurality of fins included in the plurality of semiconductor modules are housed in the cooler body, and the plurality of fins are accommodated by the cooler body.
- the structure that protects is disclosed.
- an object of the present disclosure is to provide a technique capable of suppressing deformation due to contact of pin fins when assembling a semiconductor device or the like.
- the semiconductor device includes a base plate having a plurality of pin fins on the lower surface, a semiconductor element mounted on the upper side of the base plate, and at least a resin member covering the side surface of the semiconductor element. It has ribs that cover the side surfaces of the base plate, and the lower ends of the ribs are located below the lower ends of the plurality of pin fins.
- the plurality of pin fins do not protrude downward from the ribs, deformation due to contact of the pin fins can be suppressed when assembling a semiconductor device or the like.
- FIG. It is sectional drawing of the semiconductor device which concerns on Embodiment 1.
- FIG. It is a flowchart which shows the manufacturing method of the semiconductor device which concerns on Embodiment 1. It is sectional drawing which shows the soldering process. It is sectional drawing which shows the wire bond process. It is sectional drawing which shows the lower jig fitting process. It is sectional drawing which shows the resin molding process. It is sectional drawing which shows the lower jig molding process. It is sectional drawing which shows the lead cutting and terminal bending process. It is sectional drawing which shows the resin molding process in the modification 1 of Embodiment 1. It is sectional drawing which shows the resin molding process in the modification 2 of Embodiment 1.
- FIG. 1 is a cross-sectional view of the semiconductor device 100 according to the first embodiment.
- the semiconductor device 100 is a transfer mold type and includes a base plate 1, an insulating sheet 3, a heat spreader 4, a frame 5, two semiconductor elements 6, and a mold resin 8.
- the base plate 1 is a rectangular aluminum plate in a plan view, and is provided with a plurality of pin fins 2 for heat dissipation protruding downward from the lower surface of the base plate 1.
- the plurality of pin fins 2 are made of aluminum and are integrally formed with the base plate 1.
- the heat spreader 4 is arranged on the upper surface of the base plate 1 via the insulating sheet 3.
- the two semiconductor elements 6 are mounted on the upper surface of the heat spreader 4 via the solder 6a.
- the number of the semiconductor elements 6 is not limited to two, and may be one or three or more.
- the frame 5 is connected to the electrode of the semiconductor element 6 via the solder 6b or is connected via the wire 7.
- the mold resin 8 is a resin member that covers at least the side surface of the semiconductor element 6.
- the mold resin 8 is made of, for example, an epoxy resin, and seals the insulating sheet 3, the heat spreader 4, a part of the frame 5, and the semiconductor element 6.
- the mold resin 8 includes ribs 9 that cover the side surfaces of the base plate 1.
- the rib 9 is made of epoxy resin and is integrally formed with the mold resin 8. Further, the rib 9 is formed so as to surround the side surfaces of the plurality of pin fins 2 and project downward over the entire circumference of the outer peripheral portion of the mold resin 8.
- the lower end of the rib 9 is located below the lower ends of the plurality of pin fins 2. That is, since the plurality of pin fins 2 do not protrude from the lower end of the rib 9, it is possible to prevent the operator from contacting the plurality of pin fins 2 with the work table due to a work error.
- FIG. 2 is a flowchart showing a manufacturing method of the semiconductor device 100 according to the first embodiment.
- FIG. 3 is a cross-sectional view showing a soldering process.
- FIG. 4 is a cross-sectional view showing a wire bonding process.
- FIG. 5 is a cross-sectional view showing a lower jig fitting process.
- FIG. 6 is a cross-sectional view showing a resin molding process.
- FIG. 7 is a cross-sectional view showing a lower jig mold release process.
- FIG. 8 is a cross-sectional view showing a lead cutting and terminal bending process.
- step S1 the semiconductor element 6 is arranged on the upper surface of the heat spreader 4, and then soldered to the heat spreader 4 and the frame 5.
- step S2 the frame 5 and the semiconductor element 6 are wired by wire bonding.
- step S3 after the lower jig 50 is fitted to the plurality of pin fins 2 in the mold mold, the base plate 1
- the heat spreader 4 is mounted on the upper surface of the heat spreader 4 via the insulating sheet 3 to form an assembly.
- the lower surface of the lower jig 50 is flat, and the bottom surface of the assembly is flat with the lower jig 50 fitted to the plurality of pin fins 2.
- step S4 the assembly is molded and sealed with epoxy resin.
- step S5 the lower jig 50 is removed from the molded assembly.
- step S6 the frame 5 is cut and the terminals are bent.
- the soldering step corresponds to the step (a) of mounting the semiconductor element 6 on the upper surface of the heat spreader 4.
- the heat spreader 4 is mounted on the upper surface of the base plate 1 via the insulating sheet 3 to mount the assembly.
- the resin molding step corresponds to the step (c) of molding the assembly.
- the lower jig removing step corresponds to the step (d) of removing the lower jig 50 from the molded assembly.
- the semiconductor device 100 has a base plate 1 having a plurality of pin fins 2 on the lower surface, a semiconductor element 6 mounted on the upper side of the base plate 1, and at least a side surface of the semiconductor element 6.
- a resin member for covering is provided, and the resin member has ribs 9 for covering the side surface of the base plate 1, and the lower ends of the ribs 9 are located below the lower ends of the plurality of pin fins 2.
- the resin member is a mold resin 8 that further seals the semiconductor element 6.
- the method of manufacturing the semiconductor device 100 includes a step (a) of mounting the semiconductor element 6 on the upper surface of the heat spreader 4, and a base after fitting the lower jig 50 to the plurality of pin fins 2 in the mold mold.
- the lower jig 50 may be provided in the mold mold. That is, the lower jig 50 may be a part of the mold. In this case, the number of parts of the assembly can be reduced, so that the assemblability of the assembly is improved.
- FIG. 9 is a cross-sectional view showing the resin molding process in the first modification of the first embodiment.
- FIG. 10 is a cross-sectional view showing the resin molding process in the second modification of the first embodiment.
- FIG. 11 is a cross-sectional view showing a lead cutting and terminal bending process in the third modification of the first embodiment.
- a protrusion 51 protruding downward from the lower surface of the lower jig 50 may be formed.
- the protrusion 51 is formed over the entire circumference of the outer peripheral portion on the lower surface of the lower jig 50.
- a recess 9a may be formed at a position facing the lower jig 50 at the lower end of the rib 9.
- the recess 9a is formed over the entire circumference of the rib 9. If the lower jig is accidentally pulled in an oblique direction when the lower jig 50 is released, a force is applied in the lateral direction to the portion where the lower jig 50 is fitted in the semiconductor device 100, so that the resin is used. There is a risk that the lower end of the rib 9 made of the product, which faces the lower jig 50, may be chipped.
- a recess 9a is formed at a portion of the lower end of the rib 9 facing the lower jig 50, since the resin does not exist at the portion, it is possible to prevent the resin from being chipped at the portion.
- a mirror surface 9b may be formed at a portion of the rib 9 where the lower jig 50 contacts.
- the manufacturing method of the semiconductor device 100 further includes a step of performing a mirror finish on the portion of the rib 9 where the lower jig 50 contacts, between the resin molding step and the lower jig removing step. May be good. This makes it possible to improve the releasability of the lower jig 50 with respect to the molded assembly.
- FIG. 12 is a cross-sectional view of the semiconductor device 100A according to the second embodiment.
- the same components as those described in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.
- the resin case 10 As shown in FIG. 12, in the second embodiment, at least the resin member covering the side surface of the semiconductor element 6 is the resin case 10, and the semiconductor device 100A is filled in the resin case 10 to seal the semiconductor element 6.
- the sealing resin 12 is further provided.
- the sealing resin 12 is composed of a silicone gel.
- the semiconductor device 100A includes a ceramic plate 13 instead of the insulating sheet 3.
- the semiconductor device 100A provided with the resin case 10 is also referred to as a case-type semiconductor device 100A.
- the resin case 10 is made of, for example, epoxy resin, and includes ribs 11 that cover the side surfaces of the base plate 1.
- the rib 11 is made of epoxy resin and is integrally formed with the resin case 10. Further, the rib 11 is formed so as to surround the side surfaces of the plurality of pin fins 2 and project downward over the entire circumference of the outer peripheral portion of the resin case 10.
- the lower end of the rib 11 is located below the lower ends of the plurality of pin fins 2. That is, since the plurality of pin fins 2 do not protrude from the lower end of the rib 11, it is possible to prevent the operator from contacting the plurality of pin fins 2 with the work table due to a work error.
- the resin member is the resin case 10
- the semiconductor device 100A is filled with the resin case 10 and contains the sealing resin 12 that seals the semiconductor element 6. Further prepared.
- the transfer mold type semiconductor device 100 is suitable for a small size semiconductor device, and the case type semiconductor device 100A is suitable for a large size semiconductor device. Therefore, even in a large-sized semiconductor device, the plurality of pin fins 2 do not protrude downward from the rib 9, so that deformation due to contact of the pin fins 2 can be suppressed when assembling the semiconductor device 100A.
- FIG. 13 is a cross-sectional view of the semiconductor device 100B according to the third embodiment.
- FIG. 14 is a bottom view showing a state before assembling the refrigerant jacket 20 in the semiconductor device 100B according to the third embodiment.
- FIG. 15 is a plan view of the refrigerant jacket 20 included in the semiconductor device 100B according to the third embodiment.
- the same components as those described in the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted.
- the semiconductor device 100B further includes a refrigerant jacket 20 with respect to the semiconductor device 100 according to the first embodiment. That is, the semiconductor device 100B is a transfer mold type and includes a base plate 1, an insulating sheet 3, a heat spreader 4, a frame 5, two semiconductor elements 6, a mold resin 8, and a refrigerant jacket 20.
- the refrigerant jacket 20 has a rectangular shape in a plan view, is fixed to the lower ends of the rib 9 and the plurality of pin fins 2, and is a cooling water that is a refrigerant between the rib 9 and the base plate 1.
- the flow path 23 is formed.
- the refrigerant jacket 20 includes a T-shaped middle plate 21 in cross-sectional view and a concave main body 22 in cross-sectional view.
- the middle plate 21 is formed in a recessed portion of the main body portion 22, and the main body portion 22 is formed on the outer peripheral portion of the refrigerant jacket 20, that is, on the outer peripheral side of the middle plate 21. Since the upper surface of the middle plate 21 is located above the main body 22, it is in contact with the lower ends of the plurality of pin fins 2, and the upper surface of the main body 22 is in contact with the lower ends of the ribs 9.
- a groove portion 22a in which the O-ring 24 is housed is formed on the inner peripheral portion on the upper surface of the main body portion 22 over the entire circumference.
- a rectangular frame-shaped O-ring 24 is housed in the groove 22a.
- a pressing plate 30 that presses the mold resin 8 and the base plate 1 downward with respect to the refrigerant jacket 20 is arranged.
- the semiconductor device 100B further includes a refrigerant jacket 20 which is fixed to the lower ends of the rib 9 and the plurality of pin fins 2 and forms a cooling water flow path 23 between the rib 9 and the plurality of pin fins 2.
- the refrigerant jacket 20 includes a middle plate 21 that comes into contact with the lower end of the pin fin 2, and a main body portion 22 that is formed on the outer peripheral side of the middle plate 21 and comes into contact with the lower end of the rib 9. , Is located above the main body 22.
- the distance between the frame 5 and the refrigerant jacket 20 protruding from the side surface of the mold resin 8 can be increased, so that the frame 5 and the refrigerant jacket can be increased.
- the necessary creepage distance and clearance distance for insulation with 20 can be secured.
- the flow velocity of the cooling water flowing between the base plate 1 and the middle plate 21 is increased, so that the semiconductor is used.
- the heat dissipation of the device 100B is improved.
- FIG. 16 is a cross-sectional view showing a state before assembling the refrigerant jacket 20 in the semiconductor device according to the fourth embodiment.
- the same components as those described in the first to third embodiments are designated by the same reference numerals, and the description thereof will be omitted.
- the resin coating portion 25 is formed on the inner peripheral surface of the rib 9 and the boundary between the base plate 1 and the mold resin 8 as the resin member.
- the resin such as the mold resin 8 is a material that easily absorbs moisture
- the inner peripheral surface of the rib 9 and the base plate 1 and the mold resin 8 which are in contact with the cooling water By forming the resin coating portion 25 at the boundary between the two, it is possible to suppress the absorption of moisture at the relevant portion.
- the resin coating portion 25 is formed on the inner peripheral surface of the rib 9 and the boundary between the base plate 1 and the mold resin 8, moisture absorption at the portion is performed. By suppressing the infiltration of cooling water into the mold resin 8 and blocking the infiltration of cooling water into the mold resin 8, it is possible to prevent the semiconductor device from becoming poorly insulated.
- FIG. 17 is a cross-sectional view showing a state before assembling the refrigerant jacket 20 in the semiconductor device 100C according to the fifth embodiment.
- FIG. 18 is a cross-sectional view of the semiconductor device 100C according to the fifth embodiment.
- the same components as those described in the first to fourth embodiments are designated by the same reference numerals and the description thereof will be omitted.
- the groove portion 22a in which the O-ring 24 is housed is formed in the refrigerant jacket 20, but as shown in FIGS. 17 and 18, in the fifth embodiment, the O-ring is formed at the lower end of the rib 9.
- a groove 9c in which the ring 24 is housed is formed.
- the groove portion 9c is formed over the entire circumference of the lower end portion of the rib 9, and a rectangular frame-shaped O-ring 24 is housed in the groove portion 9c.
- a groove portion 9c in which the O-ring 24 is housed is formed at the lower end portion of the rib 9. Therefore, since the groove portion 9c can be formed in the resin molding step, the man-hours related to the groove processing can be reduced as compared with the case where the groove portion 22a is formed in the refrigerant jacket 20. Similarly, since it is not necessary to form the groove portion 22a in the refrigerant jacket 20, the man-hours related to metal processing when manufacturing the refrigerant jacket 20 can be reduced.
Landscapes
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
Description
実施の形態1について、図面を用いて以下に説明する。図1は、実施の形態1に係る半導体装置100の断面図である。
次に、実施の形態1の変形例について説明する。図9は、実施の形態1の変形例1における樹脂モールド工程を示す断面図である。図10は、実施の形態1の変形例2における樹脂モールド工程を示す断面図である。図11は、実施の形態1の変形例3におけるリードカットおよび端子曲げ工程を示す断面図である。
次に、実施の形態2に係る半導体装置100Aについて説明する。図12は、実施の形態2に係る半導体装置100Aの断面図である。なお、実施の形態2において、実施の形態1で説明したものと同一の構成要素については同一符号を付して説明は省略する。
次に、実施の形態3に係る半導体装置100Bについて説明する。図13は、実施の形態3に係る半導体装置100Bの断面図である。図14は、実施の形態3に係る半導体装置100Bにおいて冷媒ジャケット20を組み付ける前の状態を示す底面図である。図15は、実施の形態3に係る半導体装置100Bが備える冷媒ジャケット20の平面図である。なお、実施の形態3において、実施の形態1,2で説明したものと同一の構成要素については同一符号を付して説明は省略する。
次に、実施の形態4に係る半導体装置について説明する。図16は、実施の形態4に係る半導体装置において冷媒ジャケット20を組み付ける前の状態を示す断面図である。なお、実施の形態4において、実施の形態1~3で説明したものと同一の構成要素については同一符号を付して説明は省略する。
次に、実施の形態5に係る半導体装置100Cについて説明する。図17は、実施の形態5に係る半導体装置100Cにおいて冷媒ジャケット20を組み付ける前の状態を示す断面図である。図18は、実施の形態5に係る半導体装置100Cの断面図である。なお、実施の形態5において、実施の形態1~4で説明したものと同一の構成要素については同一符号を付して説明は省略する。
実施の形態3~5では、トランスファーモールド型の半導体装置が冷媒ジャケット20を備える場合について説明したが、これに限定されることなく、ケース型の半導体装置が冷媒ジャケット20を備えていてもよい。この場合も、実施の形態3~5の場合と同様の効果が得られる。
Claims (11)
- 下面に複数のピンフィンを有するベース板と、
前記ベース板の上側に搭載された半導体素子と、
少なくとも前記半導体素子の側面を覆う樹脂部材と、を備え、
前記樹脂部材は前記ベース板の側面を覆うリブを有し、
前記リブの下端は、複数の前記ピンフィンの下端よりも下方に位置する、半導体装置。 - 前記樹脂部材は、さらに前記半導体素子を封止するモールド樹脂である、請求項1に記載の半導体装置。
- 前記樹脂部材は樹脂ケースであり、
前記半導体装置は、前記樹脂ケース内に充填され、前記半導体素子を封止する封止樹脂をさらに備えた、請求項1に記載の半導体装置。 - 前記リブおよび複数の前記ピンフィンの下端に固定され、前記ベース板との間に冷媒の流路を形成する冷媒ジャケットをさらに備え、
前記冷媒ジャケットは、前記ピンフィンの下端と当接する中板と、前記中板よりも外周側に形成されかつ前記リブの下端と当接する本体部とを備え、
前記中板の上面は、前記本体部よりも上方に位置する、請求項1に記載の半導体装置。 - 前記リブの内周面、および前記ベース板と前記樹脂部材との境界に樹脂コーティング部が形成された、請求項4に記載の半導体装置。
- 前記リブの下端部に、Oリングが収容される溝部が形成された、請求項4または請求項5に記載の半導体装置。
- 請求項2に記載の半導体装置を製造する製造方法であって、
(a)ヒートスプレッダの上面に前記半導体素子を搭載する工程と、
(b)モールド金型内において、複数の前記ピンフィンに下治具を嵌合させた後、前記ベース板の上面に絶縁シートを介して前記ヒートスプレッダを搭載し組立体を形成する工程と、
(c)前記組立体をモールド成形する工程と、
(d)モールド成形された前記組立体から前記下治具を取り外す工程と、
を備えた、半導体装置の製造方法。 - 前記下治具は、前記モールド金型に設けられた、請求項7に記載の半導体装置の製造方法。
- 前記下治具の下面から下方に突出する突起が形成された、請求項7または請求項8に記載の半導体装置の製造方法。
- 前記工程(c)において、前記リブの下端部における前記下治具と対向する箇所に窪みが形成された、請求項7から請求項9のいずれか1項に記載の半導体装置の製造方法。
- (e)前記工程(c)と前記工程(d)との間に、前記リブにおける前記下治具が接触する箇所に鏡面仕上げを施す工程をさらに備えた、請求項7から請求項10のいずれか1項に記載の半導体装置の製造方法。
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| PCT/JP2020/000274 WO2021140586A1 (ja) | 2020-01-08 | 2020-01-08 | 半導体装置および半導体装置の製造方法 |
| CN202080091658.1A CN114902400B (zh) | 2020-01-08 | 2020-01-08 | 半导体装置及半导体装置的制造方法 |
| US17/755,916 US12347741B2 (en) | 2020-01-08 | 2020-01-08 | Semiconductor device comprising a resin member having a rib including a lower end located below lower ends of a plurality of pin fins and semiconductor device manufacturing method |
| DE112020006455.7T DE112020006455T5 (de) | 2020-01-08 | 2020-01-08 | Halbleitervorrichtung und Verfahren zum Herstellen einer Halbleitervorrichtung |
| JP2021569645A JP7241923B2 (ja) | 2020-01-08 | 2020-01-08 | 半導体装置および半導体装置の製造方法 |
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| DE102022122522A1 (de) | 2022-09-06 | 2024-03-07 | Audi Aktiengesellschaft | Leistungselektronikeinheit für ein Kraftfahrzeug sowie Kraftfahrzeug |
| WO2024090193A1 (ja) * | 2022-10-24 | 2024-05-02 | ローム株式会社 | 半導体装置 |
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| DE112020006455T5 (de) | 2022-10-27 |
| JP7241923B2 (ja) | 2023-03-17 |
| JPWO2021140586A1 (ja) | 2021-07-15 |
| US12347741B2 (en) | 2025-07-01 |
| CN114902400A (zh) | 2022-08-12 |
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| US20220392822A1 (en) | 2022-12-08 |
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