WO2006016532A1 - 電気部品の接続方法及び加熱装置 - Google Patents
電気部品の接続方法及び加熱装置 Download PDFInfo
- Publication number
- WO2006016532A1 WO2006016532A1 PCT/JP2005/014418 JP2005014418W WO2006016532A1 WO 2006016532 A1 WO2006016532 A1 WO 2006016532A1 JP 2005014418 W JP2005014418 W JP 2005014418W WO 2006016532 A1 WO2006016532 A1 WO 2006016532A1
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- Prior art keywords
- main body
- adhesive
- heated
- heating
- heat conduction
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0195—Tool for a process not provided for in H05K3/00, e.g. tool for handling objects using suction, for deforming objects, for applying local pressure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3494—Heating processes for reflow soldering
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/0711—Apparatus therefor
- H10W72/07141—Means for applying energy, e.g. ovens or lasers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/072—Connecting or disconnecting of bump connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- 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
- H10W72/07337—Connecting techniques using a polymer adhesive, e.g. an adhesive based on silicone or epoxy
- H10W72/07338—Connecting techniques using a polymer adhesive, e.g. an adhesive based on silicone or epoxy hardening the adhesive by curing, e.g. thermosetting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/351—Materials of die-attach connectors
- H10W72/353—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics
- H10W72/354—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics comprising polymers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/10—Encapsulations, e.g. protective coatings characterised by their shape or disposition
- H10W74/15—Encapsulations, e.g. protective coatings characterised by their shape or disposition on active surfaces of flip-chip devices, e.g. underfills
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10W90/721—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors
- H10W90/724—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bump connectors between a chip and a stacked insulating package substrate, interposer or RDL
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/734—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL
Definitions
- the present invention relates to a method for connecting electrical components using a thermosetting adhesive.
- thermosetting adhesive in order to connect an electrical component such as a semiconductor element to an electrical component such as a wiring board, a thermosetting adhesive is used, and the adhesive is sandwiched between the semiconductor element and the wiring board. When heated in a state, the adhesive is cured.
- Reference numeral 101 in FIG. 10 denotes an electric device in which the semiconductor element 110 and the wiring board 115 are connected by a connection method of the prior art.
- Conductive particles are dispersed in the adhesive 105, and the conductive particles are sandwiched between the terminal 112 of the semiconductor element 110 and the terminal 117 of the wiring board 115, so that the semiconductor element 110 and the wiring are connected.
- the plate 115 is electrically connected.
- the semiconductor element 110 is fixed to the wiring board 115 by the cured adhesive 105, and therefore the semiconductor element 110 and the wiring board 115 are also mechanically connected.
- the semiconductor element 110 or the wiring board 115 may be warped due to a temperature difference, a difference in linear expansion coefficient, or a stress when the adhesive is cured.
- the end in the longitudinal direction peels off from the adhesive 105, and the terminal 112 of the semiconductor element 110 is connected to the terminal 117 of the wiring board 115 at the end in the longitudinal direction of the semiconductor element 110 as shown in FIG. It will separate from and will become a conduction defect.
- the present invention was created to solve the above-mentioned disadvantages of the prior art.
- the purpose of the present invention is to connect a long and thin electrical component with a thermosetting adhesive, and to provide a highly reliable electrical device. Is to get.
- the present invention provides an adhesive between the first and second electrical components.
- the first body of the first electrical component is heated by a heating device to heat and cure the adhesive, and the first and second terminals of the first and second electrical components are electrically connected to each other.
- the first body is elongated, and the first terminal of the first electrical component is disposed at least at an end in the longitudinal direction of the first body.
- the heating of the first main body is performed by the amount of heat transfer from the heating device to the longitudinal end of the first main body, and the amount of heat transfer from the heating device to the central portion of the first main body in the longitudinal direction. It is a connection method that increases.
- the present invention is a connection method in which the heating device is heated while the heating device is pressed against the first main body, and the first main body is heated by heat conduction.
- a conductive portion and a low thermal conductivity portion having a lower thermal conductivity than the high thermal conductivity portion, and the heating of the first main body is performed by placing the high thermal conductivity portion at the longitudinal end of the first main body. It is a connection method in which the low heat conductive portion is pressed against the central portion in the longitudinal direction of the first main body.
- the present invention is a connection method in which the heating device is heated to heat the first body by heat conduction in a state where the heating device is pressed against the first body, and the heating device is convex.
- the heating of the first main body is a connection method in which the tip of the convex portion is pressed against the end in the longitudinal direction of the first main body.
- an adhesive is disposed between the first and second electrical components, and the second body of the second electrical component is heated by a heating device to heat and cure the adhesive.
- the amount of heat transfer from the heating device to the position facing the longitudinal end of the first main body via the adhesive faces the central portion in the longitudinal direction of the first main body via the adhesive. This is a connection method that increases the amount of heat transfer to the position of the heating device.
- the present invention is a connection method in which the heating device is heated with the heating device pressed against the second main body, and the second main body is heated by heat conduction.
- the device has a high heat conduction part and a low heat conduction part whose heat conductivity is lower than that of the high heat conduction part, and the heating of the second main body is performed in the longitudinal direction of the first main body through the adhesive.
- the high thermal conductivity portion is pressed against a position facing the end of the first main body, and the low thermal conductivity portion is pressed against the position facing the central portion in the longitudinal direction of the first main body via the adhesive.
- the present invention is a connection method in which the heating device is heated to heat the second body by heat conduction in a state where the heating device is pressed against the second body, and the heating device is convex.
- the heating of the second main body is a connection method in which the tip of the convex portion is pressed against the position facing the longitudinal end of the first main body via the adhesive.
- the second body of the second electrical component is brought into contact with a cooling device and the contact is made.
- the amount of heat dissipated from the position facing the longitudinal end of the first main body through the agent to the cooling device is determined by the central portion in the longitudinal direction of the first main body through the adhesive.
- the first main body is heated while being smaller than the amount of heat dissipated from the heat to the cooling device.
- an adhesive is disposed between the first and second electrical components, the second body of the second electrical component is heated to cure the adhesive, and the first and second electrical components are heated.
- the first and second terminals of the electrical component are electrically connected to each other, the first body being elongated, and the first terminal of the first electrical component being the first
- the main body is disposed at least at the end portion in the longitudinal direction, the cooling device is brought into contact with the first main body, and the heat radiation amount from the end portion in the longitudinal direction of the first main body to the cooling device is reduced.
- the second body is heated while being smaller than the amount of heat released from the central portion of the main body in the longitudinal direction to the cooling device.
- the present invention includes an apparatus main body and heating means, and before the apparatus main body is pressed against an adherend
- the heating means When the heating means is energized, the apparatus body is heated by heat conduction and the adherend is heated, and the apparatus body has a low heat conduction part and a high heat conduction part.
- the high heat conduction part is a heating device having a high heat conduction part made of a material having a higher thermal conductivity than a material constituting the low heat conduction part.
- the present invention includes an apparatus main body and a heating means.
- the apparatus main body When the apparatus main body is pressed against the adherend and the heating means is energized, the apparatus main body is heated by heat conduction and the adherend is heated.
- FIG. 1 is a cross-sectional view for explaining a heating head according to a first example of the present invention.
- FIG. 2 is a plan view for explaining an example of a first electrical component used in the present invention.
- FIG. 3 (a) and FIG. 3 (b) are cross-sectional views for explaining an example of the connection method of the present invention.
- FIG. 4 is a cross-sectional view for explaining an example of an adhesive used in the present invention.
- FIG. 5 is a cross-sectional view for explaining an example of an electric device manufactured by the connection method of the present invention.
- FIG. 6 is a cross-sectional view for explaining a heating head according to a second example of the present invention.
- FIGS. 7 (a) and 7 (b) are cross-sectional views for explaining a process of connecting using a heating stage.
- FIGS. 8 (a) and 8 (b) are cross-sectional views for explaining a process of connecting using a heat radiation stage.
- FIG. 9 is a cross-sectional view for explaining a process of connecting using a heat radiating head.
- FIG. 10 is a cross-sectional view for explaining an example of an electric device manufactured by the connection method of the prior art.
- a reference numeral 30 in FIG. 1 shows a heating head which is a heating device of the first example of the present invention, and the heating head 30 has a head body 31 and a heating means 35.
- the head main body 31 has an elongated rectangular parallelepiped shape.
- the head body 31 has a high heat conduction part 32 and a low heat conduction part 33.
- the low heat conduction part 33 is provided in the central portion of the head body 31 in the longitudinal direction
- the high heat conduction part 32 is a longitudinal part of the head body 31. It is provided at both ends of the direction.
- the heating means 35 is embedded in both the high heat conduction portion 32 and the low heat conduction portion 33.
- the heating means 35 When the heating means 35 is energized from a power source (not shown), the heating means 35 rises in temperature, and the high heat conduction portion 32 and the low heat conduction portion 33 Both parts 33 are heated at the same time.
- the high thermal conductivity portion 32 is made of a high thermal conductivity material such as a high thermal conductivity ceramic (for example, an aluminum nitride ceramic having a thermal conductivity of 200 WZm'K or more), and the low thermal conductivity portion 33 is a low thermal conductivity metal (for example, thermal conductivity). Is made of a low thermal conductivity material such as iron below lOOWZm'K.
- a high thermal conductivity ceramic for example, an aluminum nitride ceramic having a thermal conductivity of 200 WZm'K or more
- the low thermal conductivity portion 33 is a low thermal conductivity metal (for example, thermal conductivity).
- Is made of a low thermal conductivity material such as iron below lOOWZm'K.
- the amount of heat transfer of a substance is proportional to the thermal conductivity, even when heated by the same heating means 35, the amount of heat transfer per unit time is greater in the high heat transfer section 32 than in the low heat transfer section 33. Become. Therefore, when the heated heating head 30 is brought into contact with the adherend, the heating head 30 The amount of heat transfer to the adherend is greater at the portion where the high thermal conductivity portion 32 is in contact than at the portion where the low thermal conductivity portion 33 is in contact.
- Reference numeral 10 in FIG. 2 indicates a semiconductor element 10 which is a first electrical component.
- the semiconductor element 10 has an element body 11 (first body) and a plurality of first terminals 12.
- the element body 11 has an elongated rectangular parallelepiped shape, and the first terminal 12 is arranged on one side surface of the element body 11 along the four sides of the side surface.
- Reference numeral 15 in FIG. 3 (a) denotes a wiring board as a second electrical component.
- the wiring board 15 has a substrate 16, and wiring is routed on one side of the substrate 16, and the second terminal 17 is constituted by a part of the wiring.
- the wiring board 15 is arranged on the stage 39 with the surface on which the second terminal 17 is arranged facing upward, and the side of the wiring board 15 on which the second terminal 17 is arranged Place Adhesive 5 on the surface.
- the semiconductor element 10 is placed on the wiring board 15 and aligned so that the first and second terminals 12 and 17 face each other, and the semiconductor element 10 is placed on the adhesive 5.
- the heating head 30 is arranged on the semiconductor element 10 and the longitudinal direction thereof is parallel to the longitudinal direction of the semiconductor element 10, the high heat conduction portion 32 and the low heat conduction portion 33 are formed into a semiconductor. It will be in the state arranged on the element 10.
- the length of the element body 11 of the high heat conduction part 32 in the longitudinal direction is the length of the high heat conduction part 32, and the low heat conduction part 33 If the length of the element body 11 in the longitudinal direction is the length of the low heat conduction part 33, the length of the element body 11 is longer than the length of the low heat conduction part 33 and the length of the low heat conduction part 33 and the length of the high heat conduction part 32 It is shorter than the total length.
- the low heat transfer is achieved.
- the conducting portion 33 contacts the central portion of the element body 11 in the longitudinal direction, and the high heat conduction portion 32 contacts the both ends of the element body 11 in the longitudinal direction (FIG. 3B).
- the low heat conduction part 33 and the high heat conduction part 32 are preheated by the heating means 35, and thus the low heat conduction part 33 and the high heat conduction part 32
- the conductive portion 33 and the high heat conductive portion 32 come into contact with each other, the central portion in the longitudinal direction of the element body 11 and both end portions in the longitudinal direction are simultaneously heated to raise the temperature, and the adhesive 5 is heated by heat conduction.
- FIG. 4 is an enlarged cross-sectional view of the adhesive 5.
- the adhesive 5 has a thermosetting resin 51 and conductive particles 52 dispersed in the thermosetting resin 51.
- the thermosetting resin 51 softens. Therefore, if heating is continued while pressing with the heating head 30, the softened thermosetting resin 51 is pushed away, and the first Conductive particles 52 are sandwiched between the first and second terminals 12 and 17.
- the thermosetting resin 51 is polymerized and the adhesive 5 is cured.
- the amount of heat transfer per unit time from the high heat conduction section 32 is larger than the amount of heat transfer per unit time of the low heat conduction section 33 force. Because it receives a larger amount of heat than the amount of water, even if a loss due to cooling occurs at the end of the element body 11 or the edge of the adhesive 5, the adhesive 5 located at the end in the longitudinal direction of the element body 11 The amount of heat S transferred is not smaller than that of the adhesive 5 located in the central portion in the longitudinal direction.
- thermosetting adhesive 5 Since the curing rate of the thermosetting adhesive 5 increases as the amount of heat transfer increases, the curing rate of the adhesive 5 depends on the longitudinal end of the semiconductor element 10 and the longitudinal center of the semiconductor element 10. There will be no difference between the parts.
- the curing rate of the adhesive 5 is 78% at the longitudinal end of the element body 11 and 80% at the longitudinal center. There was little difference in the curing rate.
- the curing rate of the adhesive is 66% at the end in the longitudinal direction and is medium in the longitudinal direction of the element body 11. 79% at the center, and the curing rate at the longitudinal end of the element body 11 is 1 compared to the center.
- the curing rate was determined with a Fourier transform infrared spectrophotometer using an anisotropic conductive adhesive in which conductive particles are dispersed in a thermosetting resin, which is an epoxy resin, as the adhesive 5.
- the absorption spectrum intensity of the epoxy group (wave number 914 cm— and the absorption spectrum intensity of the methylene group (wave number 2930 cm—) were substituted into the following formula (1).
- Curing rate (%) 100— (a / b) / (A / B) X 100
- Reference numeral 1 in FIG. 5 denotes the electric device in a state where the adhesive 5 is cured.
- the adhesive 5 is cured with the first and second connection terminals 12 and 17 sandwiching the conductive particles 52, and therefore the semiconductor element 10 and the wiring board 15 are electrically mechanical. Is also connected.
- the semiconductor element 10 may be warped due to stress when the adhesive 5 is cured.
- the adhesive 5 is longer at the end in the longitudinal direction than at the center in the longitudinal direction. The peeling force works strongly.
- the adhesive 5 positioned at the end of the semiconductor element 10 in the longitudinal direction is cured. Since the rate does not decrease, the end of the semiconductor element 10 in the longitudinal direction is not peeled off. Therefore, the electrical device 1 manufactured by the connection method of the present invention has higher connection reliability than the electrical device manufactured by the conventional connection method.
- Reference numeral 60 in FIG. 6 denotes a heating head according to the second embodiment of the present invention.
- This heating head 60 has a head body 61 and two convex portions 62.
- the head main body 61 is elongated, and the protrusions 62 are spaced apart from each other at both ends of one elongated side surface of the head main body 61.
- the length of the element main body 11 described above is longer than the distance between the convex portion 62 and the convex portion 62 and shorter than the length of the head main body 61.
- the longitudinal center of the head body 61 and the longitudinal direction of the element body 11 are When alignment is performed so as to match the center, the convex portions 62 are arranged on both ends in the longitudinal direction of the element body 11, and when the heating head 60 is pressed onto the element body 11 in this state, the element The tips of the protrusions 62 come into contact with both ends in the longitudinal direction of the main body 11, but the central portion of the element body 11 in the longitudinal direction is separated from the head body 61 by the height of the protrusions 62.
- the heating means 65 when the heating means 65 is energized to raise the temperature of the head main body 61, heat is directly transmitted from the head main body 61 to both ends in the longitudinal direction of the element main body 11, and the amount of heat transfer increases.
- the thermal power of the head body 61 since the thermal power of the head body 61 is transmitted to the longitudinal center portion of the element body 11 through the longitudinal end portion of the element body 11, the heat transfer amount to the longitudinal center portion of the element body 11 is It becomes smaller than both ends of the element body 11 in the longitudinal direction.
- the adhesive 5 may be heated and cured by bringing two heating heads into contact with both ends of the element body 11 in the longitudinal direction.
- Reference numeral 70 in FIG. 7 (a) denotes a heating stage which is a heating apparatus of the present invention.
- the heating stage 70 includes a stage main body 71 and a heating means 75.
- the stage body 71 has a high heat conduction part 72 and a low heat conduction part 73.
- the substrate 16 of the wiring board 15 becomes both the low heat conduction part 73 and the high heat conduction part 72. To contact each other.
- the heating means 75 is embedded over both the low heat conduction portion 73 and the high heat conduction portion 72. When the heating means 75 is energized, both the low heat conduction portion 73 and the high heat conduction portion 72 are heated simultaneously.
- the low thermal conductivity portion 73 is configured with a low thermal conductivity material
- the high thermal conductivity portion 72 is configured with a high thermal conductivity material with a higher thermal conductivity than the low thermal conductivity material.
- the low heat conduction part 73 and the high heat conduction part 72 are heated by the same heating means 75, the part of the wiring board 15 that is in contact with the high heat conduction part 72 is compared with the part that is in contact with the low heat conduction part 73. A lot of heat will be transferred.
- two high heat conduction parts 72 are provided, and the low heat conduction part 73 is arranged between the high heat conduction part 72 and the high heat conduction part 72 so as to be aligned with the high heat conduction part 72 in a straight line.
- the length of the low heat conduction portion 73 in the arrangement direction is longer than the length in the longitudinal direction of the semiconductor element 10 that is the adherend.
- the length obtained by adding the length in the arrangement direction of the two high heat conduction portions 72 and the length in the arrangement direction of the low heat conduction portions 73 is equal to or longer than the length of the semiconductor element 10.
- the wiring board 15 having the adhesive 5 disposed on the surface is disposed, the semiconductor element 10 is parallel to the longitudinal direction of the element body 11, and the center in the longitudinal direction. If the element body 11 is arranged on the adhesive 5 so that the part is positioned on the center part in the arrangement direction of the low heat conduction parts 73, both ends in the longitudinal direction of the element body 11 are the high heat conduction parts 72. Arranged above each other, the central part in the longitudinal direction is arranged on the low heat conduction part 73 (FIG. 7 (b)).
- the amount of heat transferred from the high heat conducting portion 72 is larger than the amount of heat transferred from the low heat conducting portion 73, so the amount of heat transferred to the wiring board 15 is 11%.
- the end position in the longitudinal direction is greater than the central position in the longitudinal direction.
- the curing rate of the adhesive 5 does not decrease at the end in the longitudinal direction of the element body 11, and the longitudinal direction of the semiconductor element 10 Since this end is firmly fixed with the adhesive 5, even if the semiconductor element 10 is warped, no peeling occurs at the end in the longitudinal direction, and an electrical device with high conduction reliability is obtained.
- the high heat conduction parts 32, 72 and the low heat conduction parts 33, 73 are provided in the heating device such as the heating head 30 and the heating stage 70, the high heat conduction parts 32, 72 are formed of elongated electrical parts. If they are arranged at both ends, the number and shape of the high heat conducting portions 32 and 72 and the number and shape of the low heat conducting portions 33 and 73 are not particularly limited.
- Reference numeral 89 in FIG. 8 (a) denotes a heat radiation stage as a cooling device, and the heat radiation stage 89 has a stage body 86 on which the wiring board 15 is placed.
- the stage main body 86 has a low heat conductive portion 87 made of a low heat conductive material, and a high heat conductive portion 88 made of a high heat conductive material having a higher thermal conductivity than the low heat conductive material. Speak.
- the low heat conduction part 87 and the high heat conduction part 88 are arranged side by side in a straight line, and if the direction in which the low heat conduction part 87 and the high heat conduction part 88 are arranged is an arrangement direction, the low heat conduction part 87 is the high heat conduction part. It is arranged at both ends of 88 arrangement direction.
- the length of the element body 11 of the semiconductor element 10 described above in the longitudinal direction is longer than the length of the high heat conduction portion 88 in the parallel direction, and the length of the high heat conduction portion 88 in the arrangement direction and two low heats.
- the force is the same as the total length in the direction of arrangement of the conductive portions 87, but shorter than that.
- the semiconductor element 10 is flattened between the longitudinal direction of the element body 11 and the above-described alignment direction.
- the semiconductor element 10 is arranged on the adhesive 5 so that the central part in the longitudinal direction of the element body 11 is positioned on the central part in the arrangement direction of the high heat conduction parts 88.
- both end portions of the element body 11 in the longitudinal direction are located on the low heat conduction portion 87, and the center portion in the longitudinal direction of the element body 11 is located on the high heat conduction portion 88.
- Reference numeral 80 in FIG. 8 (b) denotes a heating head.
- the heating means 85 When the heating means 85 is energized in advance to raise the temperature of the head body 81 and the heating head 80 is pressed against the semiconductor element 10, The head body 8 1 comes into contact with the element body 11, and the element body 11 is heated.
- heat conduction of head body 81 The rate is made uniform, so that the amount of heat transferred from the head body 81 to both ends and the center of the element body 11 in the longitudinal direction is substantially equal.
- the heat radiation stage 89 is not provided with a heating means, and the temperature of the heat radiation stage 89 is always kept lower than the temperature of the head body 81 while the semiconductor element 10 is heated. Therefore, part of the heat transferred from the element body 11 to the adhesive 5 passes through the wiring board 15 and is radiated from the wiring board 15 to the heat radiation stage 89.
- both end portions of the element body 11 in the longitudinal direction are located on the low thermal conductivity portion 87, and a central portion in the longitudinal direction is located on the high thermal conductivity portion 88.
- the amount of heat dissipated to the part 87 is smaller than the amount of heat dissipated from the wiring board 15 to the high heat conduction part 88, so that the part where both ends in the longitudinal direction of the element body 11 are located is accumulated compared to the center part. More heat is generated.
- the head main body of the heat radiating head 95 that is a cooling device.
- 96 is provided with a high thermal conductivity portion 97 and a low thermal conductivity portion 98, the low thermal conductivity portion 98 is in contact with both longitudinal ends of the element body 11, and the high thermal conductivity portion 97 is the central portion of the element body 11 in the longitudinal direction.
- the heat radiating head 95 is pressed against the semiconductor element 10 so as to be in contact with the semiconductor element 10 (FIG. 9).
- both end portions of the element body 11 in the longitudinal direction are in contact with the low heat conduction portion 98 and the center portion in the longitudinal direction is in contact with the high heat conduction portion 97, heat radiation from the both ends in the longitudinal direction of the element body 11 is performed.
- the amount of heat radiated to the device body 95 is smaller than the amount of heat radiated from the central portion in the longitudinal direction of the element body 11 to the radiation head 95, and is accumulated in the adhesive 5 at the end position of the element body 11 in the longitudinal direction. More heat is generated.
- the element body 11 is the same as the case shown in FIGS. 8 (a) and 8 (b).
- the curing rate of the adhesive located at both ends in the longitudinal direction is not reduced, and both ends in the longitudinal direction of the element body 11 are firmly fixed.
- the above describes the case where the heat conductivity of the main body of the heating head or heating stage as the heating device is uniform when using the heat dissipation head or heat dissipation stage as the cooling device, but the present invention is not limited to this.
- the heating heads 30 and 60 shown in FIGS. 1 and 6 and the heat dissipation stage 89 shown in FIG. 8 are used together, or the heating stage 70 shown in FIG. Can also be used together.
- the low thermal conductive material constituting the low thermal conductive parts 33, 73, 87, 98 and the high thermal conductive material constituting the high thermal conductive parts 32, 72, 87, 98 are low in thermal conductivity of the high thermal conductive material. If it is higher than the thermal conductivity of, it is not particularly limited.
- the first and second electric parts used in the present invention are not limited to semiconductor elements or wiring boards.
- the first electric parts that are elongated wiring boards are replaced with the second electric parts that are other wiring boards. It can also be connected to other electrical components.
- the type of the adhesive 5 used in the present invention is not particularly limited.
- thermosetting resin used for the adhesive 5 various kinds of resins such as acrylic resin and urethane resin can be used in addition to epoxy resin.
- thermosetting resin and the conductive particles those obtained by adding a thermoplastic resin, a colorant, an antiaging agent and the like to the adhesive 5 can also be used.
- the conductive particles 52 to be added to the adhesive 5 are not particularly limited, and those having a conductive layer such as a metal plating layer on the surface of the resin particles, and various types such as metal particles may be used. Is possible.
- the conductive particles 52 are not added to the adhesive 5, and the terminals 12 and 17 are not
- the electrical components 10 and 15 can be electrically connected to each other by directly contacting the operator. Further, the number and types of heating means provided in the heating device such as the heating head 30 and the heating stage 70 are not particularly limited.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Wire Bonding (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020077003042A KR20070033021A (ko) | 2004-08-09 | 2005-08-05 | 전기 부품의 접속 방법 및 가열 장치 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004231876A JP4801889B2 (ja) | 2004-08-09 | 2004-08-09 | 電気素子の接続方法及び加熱ヘッド |
| JP2004-231876 | 2004-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006016532A1 true WO2006016532A1 (ja) | 2006-02-16 |
Family
ID=35839302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/014418 Ceased WO2006016532A1 (ja) | 2004-08-09 | 2005-08-05 | 電気部品の接続方法及び加熱装置 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4801889B2 (ja) |
| KR (1) | KR20070033021A (ja) |
| TW (1) | TWI430410B (ja) |
| WO (1) | WO2006016532A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011061873A1 (ja) * | 2009-11-20 | 2011-05-26 | ソニーケミカル&インフォメーションデバイス株式会社 | 実装装置および電子モジュールの製造方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5320893B2 (ja) * | 2008-08-06 | 2013-10-23 | マツダ株式会社 | 接合構造の構築方法および接合構造 |
| JP5567893B2 (ja) * | 2010-04-28 | 2014-08-06 | デクセリアルズ株式会社 | 接続方法及び接続装置 |
| JP5631661B2 (ja) | 2010-08-27 | 2014-11-26 | 三洋電機株式会社 | 太陽電池モジュールの製造方法 |
| JP2013098264A (ja) * | 2011-10-28 | 2013-05-20 | Sekisui Chem Co Ltd | フリップチップボンダー用アタッチメント |
| TWI673805B (zh) * | 2017-01-30 | 2019-10-01 | Shinkawa Ltd. | 安裝裝置以及安裝系統 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06268030A (ja) * | 1993-03-11 | 1994-09-22 | Matsushita Electric Ind Co Ltd | 電子部品の熱圧着ヘッド |
| JPH07288267A (ja) * | 1994-04-18 | 1995-10-31 | Toshiba Corp | アウターリードボンディング装置 |
| JPH11307918A (ja) * | 1998-04-17 | 1999-11-05 | Casio Comput Co Ltd | ボンディング装置 |
-
2004
- 2004-08-09 JP JP2004231876A patent/JP4801889B2/ja not_active Expired - Lifetime
-
2005
- 2005-08-05 WO PCT/JP2005/014418 patent/WO2006016532A1/ja not_active Ceased
- 2005-08-05 KR KR1020077003042A patent/KR20070033021A/ko not_active Ceased
- 2005-08-09 TW TW094126893A patent/TWI430410B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06268030A (ja) * | 1993-03-11 | 1994-09-22 | Matsushita Electric Ind Co Ltd | 電子部品の熱圧着ヘッド |
| JPH07288267A (ja) * | 1994-04-18 | 1995-10-31 | Toshiba Corp | アウターリードボンディング装置 |
| JPH11307918A (ja) * | 1998-04-17 | 1999-11-05 | Casio Comput Co Ltd | ボンディング装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011061873A1 (ja) * | 2009-11-20 | 2011-05-26 | ソニーケミカル&インフォメーションデバイス株式会社 | 実装装置および電子モジュールの製造方法 |
| JP2011109046A (ja) * | 2009-11-20 | 2011-06-02 | Sony Chemical & Information Device Corp | 実装装置および電子モジュールの製造方法 |
| CN102598884A (zh) * | 2009-11-20 | 2012-07-18 | 索尼化学&信息部件株式会社 | 封装装置及电子模块的制造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200612536A (en) | 2006-04-16 |
| TWI430410B (zh) | 2014-03-11 |
| KR20070033021A (ko) | 2007-03-23 |
| JP4801889B2 (ja) | 2011-10-26 |
| JP2006049739A (ja) | 2006-02-16 |
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