WO1997030475A1 - Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device - Google Patents
Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device Download PDFInfo
- Publication number
- WO1997030475A1 WO1997030475A1 PCT/JP1997/000453 JP9700453W WO9730475A1 WO 1997030475 A1 WO1997030475 A1 WO 1997030475A1 JP 9700453 W JP9700453 W JP 9700453W WO 9730475 A1 WO9730475 A1 WO 9730475A1
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- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- epoxy resin
- resin
- tape
- layer
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/50—Tape automated bonding [TAB] connectors, i.e. film carriers; Manufacturing methods related thereto
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
- C08G59/245—Di-epoxy compounds carbocyclic aromatic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/1515—Shape
- H01L2924/15153—Shape the die mounting substrate comprising a recess for hosting the device
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/1517—Multilayer substrate
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
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- H01—ELECTRIC ELEMENTS
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/35—Mechanical effects
- H01L2924/351—Thermal stress
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/287—Adhesive compositions including epoxy group or epoxy polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
- Y10T428/2883—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer of diene monomer [e.g., SBR, SIS, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
Definitions
- Adhesive sheet for semiconductor connection board tape with adhesive for TAB, tape with adhesive for wire bonding connection, substrate for semiconductor connection and semiconductor device S
- the present invention relates to an adhesive sheet suitable for an adhesive layer of a semiconductor connection substrate used for mounting a semiconductor integrated circuit, a tape with an adhesive used for a tape automated bonding (TAB) method (hereinafter referred to as a TAB tape).
- TAB tape tape automated bonding
- the present invention relates to a tape with an adhesive (hereinafter, referred to as a WB tape) used for a wire-bonding bonding method, a semiconductor connection substrate using the same, and a semiconductor device.
- the BGA method is characterized by having solder balls on a lattice substantially corresponding to the number of pins of ⁇ C as external connection portions of a connection board.
- the connection of the equipment to the printed circuit board is performed by placing the solder ball surface on the conductor pattern on which the solder is already printed, and melting the solder by reflow.
- the most significant feature is that while conventional QFPs and the like can only use the surrounding sides for the arrangement of connection terminals, BGA can use the surface of the surrounding substrate, so that more connection terminals can be arranged in a small space. And there.
- a chip-scale package (CSP) that further advances this miniaturization function is sometimes called BGA (micro BGA :) because of its similarity (Fig. 2).
- connection board by laminating the above materials with an adhesive sheet and curing by heating.
- connection board for BGA will be described with reference to FIG. 4.
- the connection board for BGA has a wiring board layer (consisting of an insulator layer 26 and a conductor pattern 27) and a conductor pattern for connecting ⁇ C. It is configured to have at least one or more layers 29 that are not formed (having the functions of a reinforcing plate, a heat sink, a shield plate, etc.) and an adhesive layer 28 for laminating them.
- reference numeral 25 denotes an organic insulating film
- 27 denotes an inner lead portion
- 30 denotes a solder resist.
- the adhesive layer (adhesive sheet) referred to here may be formed by thermal expansion of a different material such as a printed board, a solder ball, a wiring board layer, or a layer on which no conductor pattern is formed during temperature cycle reflow.
- a glass epoxy laminate (rigid board) has been used for the wiring board layer in advance, but in recent years, a conductor pattern for IC connection has been formed on an organic insulating film such as polyimide.
- the method using a substrate is increasing.
- a package using such a tape-shaped connection substrate (pattern tape) is generally called a TCP (tape carrier package), and in the case of the BGA system, particularly, a TAB-BGA or a T-BGA.
- TCP has the advantage that large quantities of low-cost packages can be manufactured by continuously projecting using long pattern tapes.
- a typical IC connection method is a tape automated bonding (TAB) method in which an IC bump electrode is thermocompression-bonded (gang bonding or single-point bonding) to an inner lead of a connection board.
- TAB tape automated bonding
- a method of connecting the conductor pad of the connection board and the ⁇ C electrode by wire bonding hereinafter referred to as the WB method is also adopted.
- a TAB tape is generally used as the TAB pattern tape.
- the TAB tape has a three-layer structure in which a flexible organic insulating film such as a polyimide film is laminated with an adhesive layer and a protective film layer, such as a releasable polyester film.
- the adhesive layer is configured to be narrower than the organic insulating film layer. Therefore, in TAB tapes, an adhesive sheet is generally once prepared and then applied to the organic insulating film layer. Manufactured by a mining method.
- the TAB tape thus obtained can be used for (1) drilling of sprockets and device holes, (2) heat lamination with copper foil and heat curing of adhesives, and (3) copper foil back surface for forming a lead. Processing, 4 pattern formation (resisting cloth, etching, removal of resist, removal of copper foil backside treatment agent), 5 tin or gold plating processing, etc., processed into connection board (pattern tape) .
- Figure 3 shows the shape of the pattern tape.
- FIG. 1 shows a cross-sectional view of one embodiment of the TCP semiconductor device of the present invention.
- the inner lead part 5 of the pattern tape is thermocompression bonded (inner lead bonding) to the gold bump 2 of C1 and the IC is mounted.
- a semiconductor device is manufactured through a resin sealing step using a sealing resin 10. Further, in the case of TAB-BGA, a step of laminating layers having functions of a reinforcing plate, a heat radiating plate, a shield plate and the like with an adhesive sheet, a step of attaching solder balls, and the like are performed.
- a WB tape having the same shape and the same manufacturing method as the TAB tape, but having an adhesive property suitable for wire bonding is used.
- WB tapes include (1) drilling of sprockets and device holes, (2) heat lamination with copper foil and heat curing of adhesives, (3) pattern formation (resist coating, etching, and resist removal), and (4) tin or gold metal. It is processed into a connection board (pattern tape) through keying and other processing steps (Fig. 5). The pattern tape does not have an inner lead portion, and the conductor of the pattern tape and the gold bump of the semiconductor integrated circuit are connected by wire bonding. Finally, a semiconductor device is obtained through a resin sealing step and the like in the same manner as in the ⁇ ⁇ method (FIG. 6).
- the TCP type semiconductor device is connected to a circuit board or the like on which other components are mounted via an outer lead or a solder ball 9, and is mounted on the electronic device II.
- the required characteristics of the adhesive sheet for a semiconductor connection substrate are as follows.
- An object of the present invention is to solve such a problem, and to provide a novel adhesive sheet for a semiconductor connection board excellent in processability, adhesive strength, insulation reliability and durability and a semiconductor connection board using the same. And a semiconductor device.
- the adhesive layer of the TAB tape eventually remains in the package, so it is required to satisfy various properties such as insulating properties, adhesive properties, and dimensional stability. .
- the pattern pitch (conductor width and conductor width) of semiconductor connection substrates has become extremely narrow, resulting in high insulation reliability and copper in narrow conductor widths.
- adhesion The need for adhesives having foil adhesion (hereinafter referred to as adhesion) is increasing.
- 130. C 8 5.
- the rate of decrease in insulation resistance has become more important.
- Another object of the present invention is to solve such a problem and provide a new TAB tape having excellent insulation durability and adhesive strength, and a semiconductor connection substrate and a semiconductor device using the same. .
- conventional WB tapes are not necessarily sufficient in terms of insulation reliability, adhesive strength and WB characteristics described above.
- the adhesive strength of the conductor is increased, the insulation is rapidly deteriorated under a continuous voltage application at high temperature and high humidity, and not only the insulation reliability is insufficient, but also the WB characteristic is deteriorated.
- the heat resistance was increased to improve the insulation reliability and the WB characteristics, the adhesive strength was reduced, and the conductor was peeled off during the patterning process and the conductor was peeled after the WB.
- Still another object of the present invention is to solve the above-mentioned problems, and to provide a novel WB tape, a semiconductor connection substrate and a semiconductor device using the same, which satisfy all of insulation durability, adhesive strength and WB characteristics. Is to provide.
- the present invention relates to an adhesive sheet for a semiconductor connection substrate constituted by a laminate having an adhesive layer on a substrate, wherein the adhesive layer comprises a thermoplastic resin (A) and an epoxy resin (A).
- An adhesive sheet for a semiconductor connection substrate which comprises, as an essential component, at least one epoxy resin (B) selected from the group consisting of naphthalene skeleton-containing epoxy resins, and a semiconductor connection substrate using the same.
- An adhesive layer (E) of a semiconductor integrated circuit substrate having at least one wiring board layer (C) composed of an insulator layer and a conductor pattern, at least one layer (D) having no conductor pattern formed thereon, and at least one adhesive layer (E).
- the adhesive sheet for a semiconductor connection substrate forming the adhesive sheet has a storage elasticity of 0.1 to 1 OOO OMP a in a temperature range of 50 to 150 after heat curing. , and the and the linear expansion coefficient of 0. 1 1 0 ⁇ 0 1 0- 5.
- C— ′ an adhesive sheet for a semiconductor connection substrate, a semiconductor contact gun substrate using the same, and a semiconductor device
- a TAB adhesive tape comprising a laminate having an adhesive layer and a protective film layer on a flexible organic insulating film, wherein the adhesive layer after curing has a softening temperature. 60 to 110, and at 130 ° (: 85% RH, insulation resistance drop time should be 50 hours or more when 100 V DC is applied and left standing.
- the adhesive layer after curing has a softening temperature of 120 to 200, and 130 to 85% RH. Insulation resistance drops when 100 V DC is applied and left in an environment of A tape with an adhesive for wire bonding connection, a semiconductor connection substrate using the tape, and a semiconductor device, wherein the time is 50 hours or more.
- FIG. 1 is a cross-sectional view of one embodiment of a semiconductor device (TAB-BGA) using the adhesive sheet for a semiconductor connection substrate of the present invention.
- FIG. 2 is a cross-sectional view of one embodiment of a semiconductor device (CSP) using the adhesive sheet for a semiconductor connection substrate of the present invention.
- CSP semiconductor device
- FIG. 3 is a cross-sectional view of one embodiment of a semiconductor connection substrate for BGA (pattern tape) before 1C mounting obtained by processing the adhesive sheet for a semiconductor connection substrate of the present invention.
- BGA pattern tape
- FIG. 4 is a perspective view of one embodiment of a TAB tape (pattern tape) before mounting IC, obtained by processing the TAB adhesive tape of the present invention.
- FIG. 5 is a perspective view of one embodiment of a TAB tape (pattern tape) before IC mounting obtained by processing the tape with an adhesive for WB of the present invention.
- FIG. 6 is a cross-sectional view of one embodiment of a semiconductor device (WB system BGA) using the adhesive sheet for a semiconductor connection substrate of the present invention.
- FIG. 7 shows a diagram of a sample for evaluating the comb shape for measuring the absolute resistance.
- FIG. 8 is a view showing the measurement results of the storage elastic modulus E ′ of the adhesive layer of the adhesive sheet for a semiconductor connection substrate of the present invention.
- FIG. 9 is a view showing the measurement results of the linear expansion coefficient of the adhesive layer of the adhesive sheet for a semiconductor connection substrate of the present invention.
- FIG. 10 is a view showing the measurement results of t an 5 of the adhesive layer of the tape with an adhesive for TAB of the present invention.
- FIG. 11 shows the results of measuring the insulation durability of the tape with an adhesive for TAB of the present invention.
- FIG. 12 is a view showing the measurement results of the storage elastic modulus E ′ of the adhesive layer of the tape with an adhesive for WB of the present invention.
- Fig. 13 shows a diagram of the measurement results of ta ⁇ ⁇ of the adhesive layer of the adhesive tape for WB of the present invention.
- the semiconductor connection substrate referred to in the present invention is a device for connecting an IC (bare chip) that has been cut out after an element is formed on a semiconductor substrate such as silicon, and comprises (C) an insulator layer and a conductor pattern.
- the shape, material, and manufacturing method are as follows as long as the wiring board layer, (D) a layer on which no conductor pattern is formed, and (E) at least one adhesive layer comprising the adhesive sheet of the present invention.
- the most basic one includes a multilayer structure such as C / E / D / E / D which is a C / E / D configuration.
- (C) is a layer having a conductor pattern for connecting the bare chip electrode pad and the outside of the package (such as a printed circuit board).
- the conductor pattern is formed on one or both sides of the insulator layer. is there.
- the insulating layer includes plastic such as polyimide, polyester, polyphenylene sulfide, polyether sulfone, polyether ether ketone, aramide, polycarbonate, polyarylate, or glass cloth impregnated with epoxy resin.
- a ceramic substrate made of, for example, mina, zirconia, soda glass, or quartz glass is suitable, and a plurality of layers selected from these may be used.
- the insulator layer may be subjected to a surface treatment such as hydrolysis, corona discharge, low-temperature plasma, physical surface roughening, and easy adhesion coating.
- the formation of the conductor pattern is generally performed by either the subtractive method or the additive method, but any of them may be used in the present invention.
- a metal plate such as a copper foil is adhered to the insulator layer with an insulating adhesive (the adhesive composition of the present invention can also be used), or the insulator is attached to a metal plate.
- the material formed by stacking layer precursors and forming an insulator layer by heat treatment or the like is patterned by chemical etching to form a pattern.
- Specific examples of the material here include a copper-clad material for a rigid or flexible print substrate, a TAB tape, and a WB tape.
- a conductor pattern is directly formed on the insulator layer by electroless plating, electrolytic plating, sputtering, or the like.
- a metal having high corrosion resistance may be coated on the formed conductor to prevent corrosion.
- Via holes may be formed in the wiring board layer (C) formed as described above as necessary, and the conductor patterns formed on both surfaces may be connected by plating.
- (D) is a layer that is substantially independent of (C) or (E). It reinforces and stabilizes the semiconductor connection board, electromagnetically shields the IC from the outside, dissipates heat from the IC, and connects to the semiconductor connection board. It has functions such as imparting flame-retardancy and identifying the shape of the semiconductor connection substrate. Therefore, the shape may be not only a layer shape but also a three-dimensional shape having a fin structure for heat dissipation. In addition, any material having the above functions may be used as an insulator or a conductor, and the material is not particularly limited. Examples of the metal include copper, iron, aluminum, gold, silver, nickel, titanium, and the like.
- examples of the inorganic material include alumina, zirconia, soda glass, quartz glass, carbon, and the like
- examples of the organic material include a polymer material such as polyimide, polyimide, polyester, vinyl, phenol, and epoxy.
- a composite material obtained by combining these can be used.
- a polyimide film with a thin gold coating, a polymer kneaded with carbon to make it conductive, a metal plate coated with an organic insulating polymer, etc. are exemplified. it can.
- various surface treatments similar to the above (C) are not limited.
- (E) is an adhesive layer mainly used for bonding (C) and (D).
- (C) or (D) for bonding other members for example, IC or printed circuit board
- (E) is usually laminated on a semiconductor connection substrate in a semi-cured state, and before or after lamination, a pre-curing reaction is carried out at a temperature of 30 to 200 ° C. for an appropriate time to obtain a curing degree. Can be adjusted.
- (E) is formed from the adhesive sheet for a semiconductor connection substrate of the present invention (hereinafter, referred to as an adhesive sheet).
- the adhesive sheet after heat curing, has a temperature in the range of ⁇ 50 to 150 storage modulus of preferably 0. l ⁇ 1 0 0 0 0 MP a, more preferably from l ⁇ 5 0 0 0 MP a, and the linear expansion coefficient of preferably 0. 1 X 1 0- 5 ⁇ 5 0 more preferably X 1 0- 5 CT is 1 ⁇ 30 X 1 0- 5 ° C- ' . If the storage elastic modulus is less than 0. IMPa, the strength of the adhesive is low, and the deformation of the semiconductor connection board occurs during the use of the device mounted with the IC package.
- the adhesive sheet after being cured by heating, has a fracture energy per unit area (hereinafter referred to as “discard energy”) of 25 ⁇ 5 ⁇ 10 5 Nm 1 or more, and more preferably 1 ⁇ 10 10. preferably a 6 Nm 1.
- the fracture energy is considered to be correlated with the adhesive strength in the cohesive failure mode of the adhesive layer.
- the fracture energy is determined by the area under the stress-strain curve in the tensile test. If the breaking energy is lower than 5 X 10 5 ! ⁇ : M_1 , the adhesive strength is undesirably reduced.
- the thickness of the adhesive layer can be appropriately selected depending on the relationship between the elastic modulus and the coefficient of linear expansion, but is preferably 2 to 500, more preferably 20 to 200 / im.
- the adhesive composition used in the adhesive sheet of the present invention preferably contains at least one or more of a thermoplastic resin and a thermosetting resin as essential components, respectively, and the type is not particularly limited.
- Thermoplastic resin has functions such as adhesion, flexibility, relaxation of thermal stress, and improvement of insulation by low water absorption.
- Thermosetting resin has heat resistance, insulation at high temperatures, chemical resistance, and adhesion. It is necessary to achieve the balance of physical properties such as the strength of the agent layer.
- Thermoplastic resins include acrylonitrile butadiene copolymer (BR), acrylonitrile-butadiene rubber-styrene resin (ABS), styrene-butadiene ethylene resin (SEBS), acryl, polyvinyl butyral, polyamide, Known materials such as polyester, polyimide, polyamide, polyurethane, and the like are exemplified. Further, these thermoplastic resins may have a functional group capable of reacting with a thermosetting resin described below. Specific examples include an amino group, a carboxyl group, an epoxy group, a hydroxyl group, a methylol group, an isocyanate group, a vinyl group, and a silanol group.
- thermoplastic resin a copolymer containing butadiene as an essential copolymer component is preferable from the viewpoint of adhesiveness to the materials (C) and (D), flexibility, and an effect of relaxing thermal stress. Can be used.
- acrylonitrile-butadiene copolymer (NBR) and styrene-butadiene ethylene resin (SEBS) are preferred from the viewpoints of adhesion to metals, chemical resistance, and the like.
- a copolymer containing butadiene as an essential copolymer component and having a carboxyl group is more preferable, and examples thereof include NBR (BR-C) and SEBS (SEBS-C).
- NBR-C include carboxylated end groups of copolymer rubber obtained by copolymerizing acrylonitrile and benzene at a molar ratio of about 10/90 to 50/50, or acrylonitrile.
- terpolymer rubbers of carboxyl group-containing polymerizable monomers such as butadiene and acrylic acid and maleic acid.
- polyamide resin is preferable from the viewpoint of adhesiveness, flexibility, and insulation, and various resins can be used.
- those containing a dicarboxylic acid having a coal number of 36 are suitable.
- a boriamid resin containing dimer acid can be obtained by polycondensation of dimer acid and diamine by a conventional method.
- dicarboxylic acids other than dimer acid such as adipic acid, azelaic acid, and sebacic acid are used as copolymer components. May be contained.
- diamines such as ethylenediamine, hexamethylenediamine, and piperazine can be used as the diamine, and a mixture of two or more diamines may be used from the viewpoint of hygroscopicity and solubility.
- those having an amino group in the polymer are more preferable because they have improved reaction and compatibility with the epoxy resin, and have improved insulation and adhesion.
- the preferred position of the amino group is 1 to 3 in terms of amine value. When the amine value is 1 or less, the effect of improving the insulating properties and the adhesive strength is small, and when the amine value is 3 or more, the curing reaction proceeds too much and the workability is lacking.
- thermosetting resin examples include known resins such as an epoxy resin, a phenol resin, a melamine resin, a xylene resin, a furan resin, and a cyanate ester resin.
- epoxy resin and phenol resin are preferable because of their excellent insulating properties.
- the epoxy resin is not particularly limited as long as it has two or more epoxy groups per molecule.
- the epoxy resin having a dicyclopentadiene skeleton represented by the formula (I) and the epoxy resin represented by the formula ( ⁇ ) A terpene skeleton-containing epoxy resin, a biphenyl skeleton-containing epoxy resin represented by the formula ( ⁇ ), and a naphthalene skeleton-containing epoxy resin represented by the formula (IV) Is preferred.
- R and ⁇ R ⁇ represent a hydrogen atom, a C lower alkyl group or a halogen atom.
- R ′ R represents a hydrogen atom, a C lower alkyl group or a halogen atom.
- two groups of R, to R are 2.3-epoxypropoxy groups, and the remaining groups are a hydrogen atom, a lower alkyl group of C, to C4 or a halogen atom.
- glycidyl ethers such as bisphenol F, bisphenol A, bisphenol S, resorcinol and trihydroxybenzene, epoxidized phenol novolak, ethoxylated cresol novolak, epoxidized trisphenylololemethane, and epoxidized tetra Alicyclic epoxies such as phenylolethane, epoxidized meta-xylene diamine, and cyclized hexane epoxide, copolymerized epoxidized epoxy resin of tetrabromobisphenol A and bisphenol A, It may be used in combination with another epoxy resin such as a phenolic novolak type epoxy resin.
- any known phenol resin such as a novolak phenol resin and a resol phenol resin can be used.
- alkyl g-phenols such as pharma, cresol, p-t-butylphenol, nonylphenol, p-phenylphenol, cyclic alkyl-modified phenols such as terpene and dicyclopentadiene, nitro group, halogen group, cyano group , Those having a functional group containing a hetero atom such as an amino group, those having a skeleton such as naphthalene, anthracene, bisphenol F, bisphenol 8, bisphenol S, resorcinol, and polyfunctional phenol such as pyrogallol.
- the resin is sprinkled.
- the addition amount of the thermosetting resin is 5 to 400 parts by weight, preferably 50 to 200 parts by weight, based on 100 parts by weight of the thermoplastic resin.
- the addition amount of the thermosetting resin is less than 5 parts by weight, the elastic modulus at a high temperature is remarkably reduced, and the semiconductor integrated circuit connection substrate is deformed during use of the device on which the semiconductor device is mounted, and is handled in a processing step. This is not preferable because of lack of workability. If the amount of the thermosetting resin exceeds 400 parts by weight, the modulus of elasticity is high, the coefficient of linear expansion is small, and the effect of relieving thermal stress is small.
- the addition of the epoxy resin and the phenol resin curing agent and the curing accelerator to the adhesive layer of the present invention is not limited at all.
- organic or inorganic components such as antioxidants and ion scavengers is not limited as long as the properties of the adhesive are not impaired.
- finely divided inorganic components include aluminum hydroxide, magnesium hydroxide, and calcium hydroxide such as calcium hydrate, silica, alumina, zirconium oxide, zinc oxide, antimony trioxide, antimony pentoxide, Metal oxides such as magnesium oxide, titanium oxide, iron oxide, cobalt oxide, chromium oxide, and talc; inorganic salts such as calcium carbonate; fine metal particles such as aluminum, gold, silver, nickel, iron, and the like; or carbon black and glass
- the organic component include crosslinked polymers such as styrene, NBR rubber, acrylic rubber, polyamide, polyimide, and silicone. These may be used alone or in combination of two or more.
- the average particle diameter of the fine particles is preferably 0.2 to 5 / in consideration of dispersion stability. It is appropriate that the amount is 2 to 50 parts
- a protective film layer is provided on the adhesive layer. Is also good.
- the protective film layer mentioned here impairs the shape of the substrate for semiconductor integrated circuit connection from the surface of the adhesive before the substrate for semiconductor integrated circuit connection and another member (for example, an IC or a printed circuit board) are bonded.
- a polyester film, a polyolefin film, which has been subjected to a coating treatment with a silicone or a fluorine compound, a paper obtained by laminating these, and the like can be mentioned.
- the semiconductor device according to the present invention refers to a device using the semiconductor connection substrate of the present invention, and is not particularly limited in shape and structure.
- Method of connecting a semiconductor connecting substrate and the IC, TA B mode, WB mode, resin sealing at the full re-Chip mounting, anisotropic conductive film (adhesive) also may be either c of connection, etc., referred to as CSP Package is also included in the semiconductor device of the present invention.
- a three-layer T ⁇ ⁇ ⁇ B tape with an adhesive layer and a protective film layer laminated on a polyimide film is as follows ( Processing is performed by the steps a) to (d). (A) perforation of sprockets and device holes; (b) thermal lamination with copper foil; (c) pattern formation (resist coating, etching, resist removal); and (d) tin or gold plating.
- Figure 5 shows an example of the shape of the obtained TAB tape (pattern tape).
- Preparation of adhesive layer (E) Prepared by the following steps (a) to (c).
- (A) An adhesive composition obtained by dissolving a coating composition in a solvent is applied on a polyester film having releasability and dried. It is preferable to apply the adhesive layer so that the film thickness is 10 to 100 izm. Drying conditions are 100 to 200 minutes and 1 to 5 minutes.
- the solvent is not particularly limited, but aromatic solvents such as toluene, xylene, and chlorobenzene, ketones such as methylethylketone and methylisobutylketone, and non-protons such as dimethylformamide, dimethylacetamide, and N-methylpyrrolidone.
- a ton-based polar solvent alone or a mixture is preferred.
- An adhesive sheet is obtained by laminating a polyester or polyolefin-based protective film having a lower peeling strength and a releasable property on the film of (a). When the thickness of the adhesive is further increased, the adhesive sheet may be laminated plural times. After lamination, the degree of curing may be adjusted by heat treatment at, for example, 40 to 70 hours for about 20 to 200 hours.
- the adhesive sheet of (b) is peeled off the protective film on the stainless steel plate of (D) and then laminated.
- the laminating temperature is preferably from 20 to 200, and the pressure is preferably from 0.1 to 3 MPa.
- the above coating material may be directly applied to (D) and dried, and the protective film may be laminated.
- Figure 3 shows an example of a semiconductor connection substrate.
- 19 is the adhesive layer of the TAB tape
- 20 is the organic insulating film
- 21 is the sprocket hole
- 22 is the conductor pattern
- 23 is the conductor of the solder ball connection
- 24 is the device hole.
- (A) Laminate the adhesive (D) and punch out it with a mold, for example, to make a metal plate with adhesive that is square and has a square hole in the center.
- FIG. 1 is a [C chip, 2 is a gold bump, 3 is an organic insulating film, 4 is a TAB tape adhesive, 5 is an inner lead portion, 6 is an adhesive layer of a semiconductor connection board, and 7 is a conductor.
- a layer on which no pattern is formed (reinforcement plate), 8 indicates a solder resist, 9 indicates a solder ball, and 10 indicates a sealed ih resin.
- 11 is a protective film
- 1 is an IC chip
- 13 is an inner lead portion
- 14 is an organic insulating film
- 15 is a sealing resin
- 16 is a TAB tape adhesive.
- 17 indicates a solder ball
- 18 indicates a solder resist.
- the evaluation method of the embodiment is shown in (4)
- the softening temperature is considered to have a correlation with the dimensional accuracy at a high temperature, preferably 60 to 110, more preferably 70 to 90. If it is lower than 0, it is unpreferably because it is too soft, and the dimensional accuracy of the conductors, etc. decreases, and the insulating property is low. It is not preferable because the difference in linear expansion coefficient cannot be absorbed, warpage occurs, and dimensional accuracy decreases.
- the adhesive sheet after heat curing, 2 5 Yabu ⁇ energy in the hand 5 1 0 5 ⁇ m-1 or more, more preferably, if it is 8 X 1 0 5 ⁇ 'preferred. If the breaking energy is lower than 5 ⁇ 10 5 ⁇ ′, the adhesive strength is undesirably reduced.
- the insulation resistance value and the insulation resistance reduction time are measured under the accelerated evaluation conditions, and are measured under the evaluation methods (5) and (6) of the examples.
- the absolute resistance value is preferably 5 ⁇ 10 8 ⁇ or more, more preferably 1 ⁇ 10 3 ⁇ or more. If 5 1 0 less than 8 Omega, the insulating resistance of the onset light of the semiconductor device is undesirably reduced.
- the insulation resistance drop time is defined as the time required for the insulation resistance to drop to a reference value or more when the above-mentioned insulation resistance is measured continuously.
- 1 30 C, 8 5 when in the environment of 3 ⁇ 4RH straight flow 1 0 0 V is applied, the reference value 1 0 7 ⁇ , 1 5 0 Hand case of DC 1 0 0 V is applied under the environment, reference value is 1 0 9 ⁇ .
- the insulation resistance lowering time is preferably 50 hours or more, more preferably 100 hours or more, and still more preferably 300 hours or more. If the time is shorter than 50 hours, the insulation reliability of the semiconductor device of the present invention is undesirably reduced.
- the adhesive layer of the present invention is unique in that although the softening temperature is lower than the insulation temperature, the insulation resistance value is high and the insulation resistance reduction time is long.
- the mechanism is unknown, it is considered to have a structure that has a low softening temperature and is flexible, but inhibits the movement of ions.
- the adhesive layer of the TA A tape of the present invention contains a thermoplastic resin (D) and a thermosetting resin (E).
- Thermoplastic resin (D) is effective in controlling softening temperature
- Replacement paper Has functions such as adhesive strength, flexibility, relaxation of thermal stress, and improvement of insulation due to low water absorption.
- Thermosetting resin (E) has heat resistance, insulation at high temperature, chemical resistance, and adhesive. Necessary to achieve the balance of physical properties such as layer strength.
- the addition amount of the thermoplastic resin is preferably 30 to 60% by weight, more preferably 35 to 55% by weight of the adhesive layer.
- thermoplastic resins include atarilonitrile-butadiene copolymer (XBR), acrylonitrile-butadiene rubber-styrene resin (ABS), styrene-butadiene-ethylene resin (SEBS), acrylic, polyvinyl butyral, polyamide, and polyester. , Polyimide, polyimide, polyurethane, and the like. Further, these thermoplastic resins may have a functional group capable of reacting with a thermosetting resin such as a phenol resin or an epoxy resin described below. Specific examples include an amino group, a carboxyl group, an epoxy group, a hydroxyl group, a methylol group, an isocyanate group, a vinyl group, and a silanol group. These functional groups are preferable because the bond with the thermosetting resin is strengthened and the heat resistance is improved.
- XBR atarilonitrile-butadiene copolymer
- ABS acrylonitrile-butadiene rubber-styrene resin
- thermoplastic resin boriamid resin is preferred from the viewpoint of adhesiveness to copper foil, flexibility, and insulation properties, and various resins can be used.
- those containing a dicarboxylic acid having 36 carbon atoms (so-called dimeric acid) having flexibility in the adhesive layer and having excellent insulating properties due to a low water absorption rate are preferable.
- the polyamide resin containing dimer acid is a powerful resin obtained by polycondensation of dimer monoacid and diamine by a conventional method.At this time, dicarboxylic acids other than dimer monoacid such as adipic acid, azelaic acid, and sebacic acid are copolymerized. It may be contained as a component.
- diamines such as ethylenediamine, hexamethylene diamine, piperazine and the like can be used, and a mixture of two or more types may be used from the viewpoint of hygroscopicity and solubility.
- the epoxy resin is not particularly limited as long as it has two or more epoxy groups in one molecule.
- the epoxy resin having a dicyclopentadiene skeleton represented by the formula (I) and the epoxy resin represented by the formula ( ⁇ ) A terpene skeleton-containing epoxy resin, a biphenyl skeleton-containing epoxy resin represented by the formula (m), and a naphthylene skeleton-containing epoxy resin represented by the formula (IV) Is preferred.
- glycidyl ethers such as bisphenol F, bisphenol A, bisphenol S, resorcinol and trihydroxybenzene, epoxidized phenol novolak, epoxidized cresol novolak, epoxidized trisphenol novolon, Alicyclic epoxies such as epoxidized tetraphenylethane, epoxidized meta-xylene diamine, cyclohexaneepoxide, etc., copolymerized brominated epoxy resin of tetrabromobisphenol A and bisphenol A It may be used in combination with another epoxy resin such as brominated phenol novolak type epoxy resin.
- the amount of the epoxy resin added is preferably 2 to 20% by weight, more preferably 4 to 15% by weight of the adhesive layer, and is 3 to 70 parts by weight based on 100 parts by weight of the thermoplastic resin.
- phenol resin any known phenol resin such as a novolak type phenol resin and a resol type phenol resin can be used.
- alkyl-substituted phenols such as phenol, cresol, p-t-butylphenol, nonylphenol, and p-phenylphenol
- cyclic alkyl-modified phenols such as terpene and dicyclopentene, nitro group, halogen group, cyano group
- It consists of polyfunctional phenols such as those having a functional group containing a hetero atom such as an amino group, those having a skeleton such as naphthalene and anthracene, bisphenol, bisphenol ⁇ , bisphenol S, resorcinol, and pyrogallol.
- Resin is removed.
- resole type phenol resin is more preferable because it has an effect of improving the insulation resistance reduction time.
- the following components (F) and (G) are contained as components of the resole-type phenol resin, respectively, it is extremely effective in obtaining a balance between the adhesive force and the insulating property due to a decrease in the softening temperature, and is preferable.
- (F) A bifunctional or higher phenol derivative having at least one alkyl group having preferably 5 to 12 carbon atoms, more preferably 7 to 10 carbon atoms.
- the term “functionality” as used herein refers to the total number of sites (ortho and para positions) at which the methylol group and the phenol nucleus can bond when the resole phenol resin undergoes an addition condensation reaction and undergoes self-crosslinking.
- orthocresol is bifunctional and metacresol is trifunctional.
- (F) is a component for improving the flexibility of the phenol resin, and any of a 1 to 10 nucleus phenol derivative having a C 5 to C 12 saturated or unsaturated alkyl group can be used.
- saturated alkylphenols are chemically stable and are preferred, and octylphenol, nonylphenol, and decylphenol are more preferable because they have a good balance between insulation and flexibility after curing.
- (G) is a component that compensates for the lack of crosslinking of (F), and is not particularly limited as long as it has a function of performing three-dimensional crosslinking by addition condensation, but is compatible with the component of (F).
- phenol, meta-cresol, bisphenol A, bisphenol F and the like are exemplified.
- Such a combination may be either mixing the phenol derivatives of (F) and (G) after forming them into a resin resin, or mixing the mixture of phenol derivatives from the beginning into a resole resin.
- the amount of the phenol resin added is preferably more than 35 and less than 60% by weight, more preferably 40 or more and 50% by weight or less of the adhesive layer. ⁇ 200 parts by weight. If the amount is less than 35% by weight, the insulating property is lowered, so that it is not preferable.
- a curing agent and a curing accelerator for epoxy resin and phenol resin is not limited at all.
- aromatic polyamines, boron trifluoride triethylamine complexes, and other boron trifluoride amine complexes, 2-alkyl-14-methylimidazoles, 2-phenyl-4-alkylimidazoles, etc. Imidazole derivative, phthalic anhydride, anhydrous
- organic acids such as organic acids such as trimellitic acid, dicyandiamide, triphenylphosphine, and diazavic croundecene can be used.
- the amount of addition is preferably 0.1 to 10 parts by weight based on 100 parts by weight of the adhesive layer.
- organic or inorganic components such as phenolic or amine-based antioxidants and ion scavengers such as hydrotalcite is limited as long as the properties of the adhesive are not impaired. is not.
- the flexible insulating film referred to in the present invention includes polyimide, polyester, polyphenylene sulfide, polyether sulfone, polyether ether ketone, aramid, polycarbonate, polyarylate, and the like. It is a film having a thickness of 25 to 125 ⁇ made of a composite material such as plastic or epoxy resin impregnated glass cloth, and a plurality of films selected from these may be laminated and used. If necessary, one or both surfaces can be subjected to surface treatment such as hydrolysis, corona discharge, low-temperature plasma, physical surface roughening, and easy adhesion coating.
- the protective film layer referred to in the present invention is not particularly limited as long as it can be peeled from the adhesive surface without damaging the form of the adhesive tape for a semiconductor before heat laminating the copper foil. Polyester film, polyrefin film, and paper obtained by laminating these films.
- a paint obtained by dissolving the above adhesive composition in a solvent is applied to a flexible insulating film such as polyimide, and dried. It is preferable to apply the adhesive layer so that the film thickness is 5 to 25.
- the drying conditions are 100 to 200 ° (: 1 to 5 minutes.
- the solvent is not particularly limited, but aromatic solvents such as toluene, xylene, and chlorobenzene and methanol, ethanol, propanol, and the like are used.
- the protective film is laminated on the film obtained in this manner, and finally, the film is slit to about 35 to 158 mm.
- a method in which the adhesive composition is applied, dried, slit into an arbitrary width, and then laminated with an insulating film may be used. This method is suitable when the width of the adhesive layer and that of the insulating film are made different. .
- the adhesive layer used for the WB tape of the present invention is usually provided in an uncured state, and can be cured and cross-linked by heating after laminating the copper foil, and has a softening temperature of 120 to 200. Yes, and when the storage elastic modulus E 'at 150 ° C is 20 to 100 MPa, and at 130 and 85% RH, 100 V DC is applied and left It is essential that the insulation resistance decrease time is 50 hours or more, but other characteristics and chemical structure are not particularly limited.
- the softening temperature and the storage modulus at 150 ° have a correlation with the WB characteristic, and the softening point is preferably 120 to 200 °, more preferably 140 to 170 °. C. Further, the storage elastic modulus at 150 is preferably from 20 to 10 OMPa, more preferably from 30 to 8 OMPa. Lower softening point of 120 or storage modulus of 20 M F a
- the insulation resistance value and the time when the insulation resistance decreases are those measured under the accelerated evaluation conditions, and are measured under the evaluation methods (5) and (6) of the examples.
- the insulation resistance value is preferably 5 X 1 0 ⁇ ⁇ or more, more preferably 1 X 1 0 9 ⁇ or more. If it is lower than 5 ⁇ 10 8 ⁇ , the insulation durability of the semiconductor device of the present invention is undesirably reduced.
- the insulation resistance drop time is defined as the time required for the insulation resistance to drop to a reference value or more when the above-mentioned insulation resistance is measured continuously. 1 3 Te 0, 8 5 when in the environment of 3 ⁇ 4 kappa Eta straight flow 1 0 0 V is applied, the reference value 1 0 7 Omega, 1 5 0 Hand environments in DC 1 0 () field V applied if the reference value is 1 0 9 ⁇ .
- the insulation resistance lowering time is preferably 50 hours or more, more preferably 100 hours or more, and still more preferably 300 hours or more. If the time is shorter than 50 hours, the insulation reliability of the semiconductor device of the present invention is undesirably reduced.
- thermosetting resin system having a high crosslinking density
- it became hard and brittle at room temperature resulting in a decrease in adhesive strength to the copper foil and a decrease in flexibility.
- a method of mixing a thermoplastic resin has been studied in the past, but the WB characteristics are incompatible with the adhesiveness and interchangeability. This is because the compatibility between the thermosetting resin and the thermoplastic resin is not appropriate.
- Compatibility is a factor that determines the microphase-separated structure of an adhesive after curing, and it is known that the viscoelastic properties of a polymer blend depend on the microphase-separated structure. Therefore, in the WB tape of the present invention, the compatibility between the thermoplastic resin and the thermosetting resin in the adhesive layer was controlled and blended, thereby optimizing the microphase separation structure of the cured adhesive, We believe that the balance between WB characteristics and adhesiveness and flexibility has been achieved.
- the adhesive layer of the WB tape of the present invention preferably contains a thermoplastic resin (D) and a thermosetting resin ( ⁇ ).
- Thermoplastic resin (D) is effective in controlling softening temperature and storage elastic modulus, and has functions such as adhesion, flexibility, relaxation of thermal stress, and improvement of insulation by low water absorption.
- Thermosetting resin ( ⁇ ) is necessary to achieve a balance between physical properties such as heat resistance, insulation at high temperatures, chemical resistance, and the strength of the adhesive layer.
- thermoplastic resin (D) added to the adhesive layer, preferably 30 to 60 weight? 0, more preferably 35 to 55% by weight.
- thermoplastic resin examples include acrylonitrile butadiene copolymerized copolymer ( ⁇ BR), acrylonitrile butadiene rubber-styrene resin (ABS), styrene-butadiene ethylene resin (SEBS), acryl, polyvinyl butyral, and polyamide.
- Known materials such as polyester, polyimide, polyimide, polyamide, polyurethane, and the like.
- these thermoplastic resins may have a functional group capable of reacting with a thermosetting resin such as a phenol resin or an epoxy resin described below. Specific examples include an amino group, a carboxyl group, an epoxy group, a hydroxyl group, a methylol group, an isocyanate group, a vinyl group, and a silanol group.
- the group is preferable because the bond with the thermosetting resin is strengthened and the heat resistance is improved.
- thermoplastic resin a polyimide resin is preferred from the viewpoint of adhesiveness to the copper foil, flexibility, and insulation properties, and various resins can be used.
- those containing a dicarboxylic acid having 36 carbon atoms (so-called dimeric acid) having flexibility in the adhesive layer and having excellent insulating properties due to a low water absorption rate are preferable.
- a polyamide resin containing dimer acid is a powerful resin obtained by polycondensation of dimer monoacid and diamine by a conventional method.At this time, a dicarboxylic acid other than dimer monoacid such as adipic acid, azelaic acid, and sebacic acid is used as a copolymer component. May be contained.
- Known diamines such as ethylenediamine, hexamethylene diamine, and piperazine can be used, and a mixture of two or more types may be used from the viewpoint of hygroscopicity and solubility.
- thermoplastic resin it is preferable to add a known epoxy resin as a thermoplastic resin because the adhesive strength can be improved.
- the epoxy resin is not particularly limited as long as it has two or more epoxy groups in one molecule, but compatibility with the thermoplastic resin is important, and it is preferable to select an epoxy resin in an appropriate range.
- the compatibility is defined as the haze of a film formed by mixing a thermoplastic resin and an epoxy resin in a weight ratio of 1Z1.
- the specific measurement method is shown in Evaluation method (17) of the examples.
- the haze is preferably from 8 to 45, more preferably from 10 to 35. A value of 8 or less is not preferred because the compatibility is too good and only average properties as a mixture are obtained. Further, if it is more than 45, it is not preferable because the property is too uneven and the properties of either component are strongly exhibited.
- Specific epoxy resins include epoxy resins containing a dicyclopentadiene skeleton, epoxy resins containing a terpene skeleton, epoxy resins containing a biphenyl skeleton, resorcinol diglycidyl ether, diglycyl phthalate, and ethylene oxide-modified bisphenol A diglycidyl. Ether (for example, BEO-60E, manufactured by Shin Nippon Rika Co., Ltd.), and the like.
- a dicyclopentadiene skeleton-containing epoxy resin represented by the formula (I), a terpene skeleton-containing epoxy resin represented by the formula ( ⁇ ), and a biphenyl skeleton-containing epoxy resin represented by the formula ( ⁇ ) Has excellent heat resistance and is particularly preferred.
- glycidyl ethers such as bisphenol F, bisphenol A, bisphenol S, trihydroxyquinbenzene, dihydroxynaphthalene, epoxidized phenol novolak, epoxidized cresol novolak, epoxidized trisphenyl methane methane
- Alicyclic epoxy such as epoxidized tetraphenylroleethane, epoxidized meta-xylene diamine, cyclohexane epoxide, etc., and a copolymerized brominated epoxy resin of tetrabromobisphenol A and bisphenol A It may be used in combination with another epoxy resin such as brominated phenol novolak type epoxy resin.
- the amount of the epoxy resin to be added is preferably 10 to 40% by weight, more preferably 15 to 30% by weight of the adhesive layer, and is 15 to 140% by weight of the thermoplastic resin. Parts by weight. If it is less than 10% by weight, the softening point is low, the WB characteristics are low, and the adhesive strength is low. On the other hand, if the content is more than 40% by weight, the insulating property decreases, which is not preferable.
- phenol resin any of known phenol resins such as a novolak type phenol resin and a resol type phenol resin can be used.
- alkyl-substituted phenols such as phenol, cresol, p-t-butylphenol, nonylphenol, p-phenylphenyl, phenol, cyclic alkyl-modified phenols such as terpene and dicyclopentene, nitro group, halogen group, cyano group, amino group Resins having a heteroatom-containing functional group, such as naphthalene, anthracene, etc., and resins composed of multifunctional phenols such as bisphenol F, bisphenol A, bisphenol S, resorcinol, and pyrogallol Are listed. Above all, resole phenolic resin is more preferable because it has an effect of improving the time required for reducing the absolute resistance.
- the addition amount of the fuanol resin is preferably more than 35 and less than 60% by weight, more preferably 40 or more and 50% by weight or less of the adhesive layer. ⁇ 200 parts by weight. If it is less than 35% by weight, the insulating property is lowered, so that it is not preferable.
- a curing agent and a curing accelerator for the epoxy resin and the phenolic resin is not limited at all.
- aromatic polyamines boron trifluoride amide complexes such as boron trifluoride triethylamine complex
- imidazo compounds such as 2-alkyl-4-methylimidazole and 2-phenyl-4-alkylimidazole.
- organic derivatives such as chloro derivatives, fluoric anhydride, and trimellitic anhydride, dicyandiamid, triphenylphosphine, and diazabiscycloundecene can be used.
- the amount added is preferably 0.1 to 10 parts by weight based on 100 parts by weight of the adhesive layer.
- organic or inorganic components such as phenolic or amine-based antioxidants and ion scavengers such as hydrotalcite is limited as long as the properties of the adhesive are not impaired. is not.
- the flexible insulating film referred to in the present invention is a plastic such as polyimide, polyester, polyphenylene sulfide, polyether sulfone, polyether ether ketone, aramide, polycarbonate, polyarylate, and the like.
- a film having a thickness of 25 to 125 ⁇ made of a composite material such as an epoxy resin-impregnated glass cloth, and a plurality of films selected from these films may be used as a stack. If necessary, one or both surfaces can be subjected to surface treatment such as hydrolysis, corona discharge, low-temperature plasma, physical surface roughening, and easy adhesion coating.
- the protective film layer referred to in the present invention is not particularly limited as long as it can be peeled from the adhesive surface without damaging the form of the adhesive tape for a semiconductor before heat laminating the copper foil.
- Examples include polyester film, polyrefin film, and paper obtained by laminating these films.
- a paint obtained by dissolving the above adhesive composition in a solvent is applied to a flexible insulating film such as polyimide, and dried. It is preferable to apply the adhesive layer so that the thickness is 5 to 25.
- Drying conditions are 100 to 200. (: 1 to 5 minutes.
- the solvent is not particularly limited, but a mixture of an aromatic such as toluene, xylene, chlorobenzene and an alcohol such as methanol, ethanol, propanol and the like is preferable.
- a method of laminating with an insulating film after slitting may be used, which is suitable when the widths of the adhesive layer and the insulating film are made different.
- TAB adhesive tape 31N0-00ES, manufactured by Toray Industries, Inc.
- 18m electrolytic copper foil 3EC—VLP, manufactured by Mitsui Kinzoku Mining Co., Ltd.
- EC—VLP electrolytic copper foil
- An adhesive sheet having a thickness of 100 m was laminated on a pure copper plate having a thickness of 1 mm under the conditions of 140 and 0.1 MPa, and then formed into a square of 30 mm.
- the sample After laminating the pure copper plate with the adhesive of (2) on the conductor pattern surface of the evaluation pattern tape of (1) at 130 ° C and 0.1 MPa, the sample was placed in an air oven. Heat curing treatment was performed for 50 hours for 2 hours. This was immersed in an etching solution containing ferric chloride as a main component to dissolve the pure copper plate. Finally, the exposed adhesive layer was observed with a stereoscopic microscope at 30 ⁇ to evaluate the foaming at the time of curing and the embedding property of the conductor pattern.
- a pure copper plate with an adhesive layer with the same specifications as (2) was laminated on polyimide film ("UPILEX” 75S, manufactured by Ube Industries, Ltd.) under the conditions of 130 and 0, MPa. Thereafter, the sample was heated and cured in an air oven at 150 ° (: 2 hours. The polyimide film of the obtained sample was cut to a width of 2 mm, and a tensile tester (CT-1) was used. Peeling was performed at a speed of 50 mm min in the direction of 90 using a No. 00 type (manufactured by Orientec Co., Ltd.), and the peeling force at that time was measured.
- CT-1 tensile tester
- Adhesive layer of the same specification as (2) is provided on the conductor pattern surface of the sample for evaluation of the comb shape of the evaluation pattern tape of (1) with a conductor width of 100 m and a distance between conductors of 100 0 m
- the pure copper plate was subjected to lamination under conditions of 130 and 0.1 MPa, and then subjected to a heat curing treatment in an air oven at 150 for 2 hours.
- the sample of 30 mm square prepared by the above method (4) was humidified for 48 hours in an atmosphere of 85 C and 85% RH, and then immediately floated on a solder bath for 60 seconds, causing blistering and blistering. The maximum temperature without peeling was measured.
- a 30 mm square sample prepared by the method described in (4) above was placed in a thermal cycle tester (PL-3, manufactured by Tabai Espec Co., Ltd.). The sample was treated for 600 cycles under the condition of holding for 1 hour each, and the occurrence of peeling was evaluated.
- PL-3 manufactured by Tabai Espec Co., Ltd.
- the adhesive sheet was laminated to a thickness of about 500 / m, and then subjected to boss curing at 150 ° C for 2 hours to prepare a sample. This was measured with a dynamic viscoelasticity measuring device in tensile mode (R HE OV [BROK-DDV-II, / II-EA, manufactured by Orientec Co., Ltd.]) at a frequency of 35 Hz and a heating rate of 2 min. It was measured.
- R HE OV dynamic viscoelasticity measuring device in tensile mode
- JCT-100 manufactured by Orientec Co., Ltd.
- pattern tapes for evaluation were prepared in the same manner as in (1).
- the sample obtained in (1 1) was immersed in a borofluoric acid-based electroless tin plate solution (Shiba T-134, manufactured by Shipley-Fairst) at 70 and immersed in the sample. Wood was given.
- the sample for measuring the adhesive strength had a conductor width of 5 Oim.
- a sample for the measurement of constancy was used having the shape shown in FIG.
- reference numeral 48 denotes a conductor portion of the insulation measurement pattern
- J 9 denotes an adhesive layer of a TAB tape
- 50 denotes an organic insulating film.
- the sample for measuring the wire-to-bonding characteristics of (16) was prepared on a 0.1 m thick nickel plating base with a 0.5 m thick electrolytic gold plating (Oguchi Bell UP-24, Japan). Ronal Co., Ltd.).
- thermo-hygrostat (Tabi) was used. Espec Co., TPC - 1 3 0 C, 85% RH at 2 1 1 D type) in, in a state where voltage is continuously applied to the DC 1 0 0 V, the resistance value of 1 0 7 Omega less and The resulting insulation resistance drop time was measured. The resistance was measured using a super insulation meter (DSM-8101, Toa Denpa Co., Ltd.).
- a gold wire was bonded to a WB tape (gold-plated pattern tape) with a load of 60 g and an ultrasonic frequency of 58 kHz on the WB tape (gold-plated tape) prepared by the methods (I 1) and (1 2).
- c Tensile strength test was performed with a tensile strength tester (Microtester 22 type, manufactured by Digi Corporation).
- thermoplastic resin and epoxy resin in 1/1 by weight, and about 10 weight in common solvent of both? After dissolving so as to be / 0 , a film is formed by a casting method so as to have a dried film thickness of about 12 im. Using the obtained sample, haze was measured by a method based on JIS-K710.
- the dimer acid (PRI PO 10009, manufactured by EUNIKEMA) was used as the acid component, and the hexamethylene diamine (manufactured by Wako Pure Chemical Industries, Ltd.) was used as the amine component.
- the polyamide reactant was prepared by adding an acid noamine reactant, an antifoaming agent, and 1% or less of a phosphoric acid catalyst in a range of 1 to 0.9. The polyamide reactant was heated at 140 ° C. with stirring for 1 hour, then heated to 205 ° C. and stirred for about 1.5 hours. It was kept under vacuum of about 15 mmHg for 0.5 hour to lower the temperature. Finally, an antioxidant was added to obtain a polyamide resin having an amine value of 2.5.
- High-molecular-weight resole phenol (Bellpearl S895, manufactured by Kanebo Co., Ltd.) is dissolved in chlorbenzen at 60 ° C to a weight of about 10%. The solution was passed through a 0.5 zm filter to remove the solubles. From the difference in solids concentration before and after filtration, the soluble content determined was 96%.
- Aluminum hydroxide (produced by Showa Denko KK, ⁇ -42) was mixed with toluene, followed by sand milling to prepare an aluminum hydroxide dispersion.
- BR-C P ⁇ 'R-1H, manufactured by Nippon Synthetic Rubber Co., Ltd.
- bisphenol A type epoxy resin Yukadashi Sylethoxy Co., Ltd., "Epicol” 8 34, epoxy equivalent of 250
- brominated epoxy resin made by Yuka Shizuru Epoxy Co., Ltd., "Epicoat” 550, bromine content /!
- This adhesive sheet was laminated on a 0.1 mm thick pure copper plate under the conditions of 100 and 0.1 MPa to obtain a pure copper plate with an adhesive layer.
- Table 3 shows the characteristics
- Fig. 8 and Fig. 9 show the temperature dependence of the storage elastic modulus and the linear expansion coefficient.
- the pure copper plate with the adhesive layer obtained by the above procedure was punched into a shape having a 30 mm square outer shape and a 20 mm square hole at the center.
- the pattern tape shown in Fig. 7 was created by the same method as the evaluation method (1) described above. However, apply a photosensitive solder resist (“Probimer” 71, manufactured by Ciba Geigy Co., Ltd.) to the conductor pattern surface, dry it, expose it with a photomask, develop it, heat cure it, and leave it on the pad for solder ball connection. The resist was removed. Then, the pure copper plate was positioned so that the holes corresponded to the device holes of the pattern tape, and then pressed 130 ° and 0. Then, heating and curing treatment was performed for 2 hours to prepare a semiconductor connection substrate.
- a photosensitive solder resist (“Probimer” 71, manufactured by Ciba Geigy Co., Ltd.)
- FIG. 1 shows a cross section of the obtained semiconductor device.
- Spherical silica (“Excelica”, manufactured by Tokuyama Corporation) was mixed with toluene, and then subjected to sand milling to prepare a silica dispersion.
- XB R—C Natural Rubber Co., Ltd.
- PNR—1H PNR—1H
- SEBS—C manufactured by Asahi Kasei Corporation, MX-073
- naphthalene skeleton-containing epoxy resin manufactured by Dainippon Ink and Chemicals, Inc., “Epiclone” HP 4302, epoxy equivalent
- Aluminum hydroxide (H-42I, manufactured by Showa Denko KK) was mixed with toluene, followed by sand milling to prepare an aluminum hydroxide dispersion.
- XBR-C manufactured by Nippon Synthetic Rubber Co., Ltd.
- the adhesive solution was prepared by mixing, and a pure copper plate with an adhesive layer was obtained using the adhesive solution in the same manner as in Example 1. The characteristics are shown in Table 3. Comparative Example 2
- Aluminum hydroxide (H-42I, manufactured by Showa Denko KK) was mixed with toluene, followed by sand milling to prepare an aluminum hydroxide dispersion.
- phenol novolac resin PSM4261 manufactured by Gunei Chemical Industry Co., Ltd.
- hexamethylenetetramine and methylethyl ketone having the same weight as the dispersion were added as shown in Table 2.
- the mixture was added so as to have a composition ratio, and the mixture was stirred and mixed at 30 to prepare an adhesive solution.
- a pure copper plate with an adhesive layer was obtained in the same manner as in Example 1.
- Table 3 shows the characteristics.
- the adhesive composition for semiconductor devices obtained by the present invention is excellent in processability, adhesive strength, excellent reliability and durability.
- Polyamide resin obtained in Reference Example 1 (amine value 2.5), epoxy resin (Epicron HP4032, epoxy equivalent 1505, manufactured by Dai-Hon Ink Chemical Co., Ltd.), nonylphenol type Resin phenolic resin (manufactured by Showa Polymer Co., Ltd., CRM 0803), straight-type phenolic resole resin (manufactured by Sumitomo Durez Co., Ltd., PR50087), p-t—Bu / bispheno — A mixed type (pt-BuBubisphenol A-8 / 2) phenolic resin (CKM 935, manufactured by Showa Polymer Co., Ltd.) The mixture was mixed so as to have a ratio, and the mixture was stirred and mixed with methanol / monochlorobenzene mixed solvent at a concentration of 20% by weight to prepare an adhesive solution.
- epoxy resin Epicron HP4032, epoxy equivalent 1505, manufactured by Dai-Hon Ink Chemical Co., Ltd.
- nonylphenol type Resin phenolic resin
- This adhesive was applied to Barco overnight on a protective film of polyethylene terephthalate film (Noremira-1 manufactured by Toray Industries, Inc.) with a thickness of 25 // to a dry thickness of about 1. Then, drying was performed for 5 minutes at 1 minute and at 160 minutes to prepare an adhesive sheet. Furthermore, the adhesive sheets obtained Te 1 2 0 the organic insulating film in a thickness of 7 5 / of Porii Mi Dofuirumu (Ube Industries, Ltd. "Interview one Pirekkusu" 7 5 S), 1 kg Bruno cm 2 A tape with an adhesive for TAB was prepared by laminating under the conditions described above. Table 4 shows the characteristics. Fig. 10 shows the measurement results of the temperature dependence of tan ⁇ 5, and Fig. 11 shows the measurement results of insulation resistance under the conditions of 130, 85% RH, and 100 V DC.
- a conductor circuit for IC connection was formed in the same manner as the evaluation method (11) described above, and a substrate (pattern tape) for semiconductor connection shown in FIG. 3 was obtained.
- FIG. 1 shows a cross section of the obtained semiconductor device.
- Example 7 In the same manner as in Example 7, a tape with an adhesive for semiconductors was obtained using the raw materials and the adhesives prepared in the respective composition ratios shown in the table. Table 4 also shows the characteristics.
- FIG. 10 shows the measurement results of tan (5) of Comparative Examples 1 and 2.
- the tape with an adhesive for TAB obtained according to the present invention is excellent in bonding force, dimensional accuracy, and insulation reliability.
- p-t—Bu-phenolic resin One-phenol resin (CKM 1634 G, manufactured by Showa Polymer Co., Ltd.)
- This adhesive was applied to Barco overnight on a protective polyethylene film of polyethylene terephthalate film (Toray Co., Ltd., "Noremira I") to a dry thickness of about 12 mm. Then, drying was performed for 5 minutes at 100, 1 minute and 160 minutes to prepare an adhesive sheet. Further, the obtained adhesive sheet is applied to an organic insulating film of 75-thick polyimide film (“UPILEX” 75S, manufactured by Ube Industries, Ltd.) at i 20 ° (:, 1 k Laminating was performed under the conditions of gZc m 2. A tape with an adhesive for WB was prepared, and the characteristics are shown in Table 5. In addition, Fig. 12 shows the storage elastic modulus E ', and Fig. 13 shows the temperature dependence of tan 5. The measurement results are shown.
- UPILEX 75-thick polyimide film
- a conductor circuit for IC connection was formed in the same manner as the evaluation method (11) described above, and a substrate (pattern tape) for a semiconductor contact gun shown in FIG. 5 was obtained.
- 31 is the adhesive layer of the WB tape
- 32 is the organic insulating film
- 33 is the sprocket hole
- 34 is the conductor pattern
- 35 is the solder ball connection part
- 36 is the WB Shows the conductor pad.
- FIG. 6 shows a cross section of the obtained semiconductor device.
- 37 is an IC chip
- 38 is a 1C electrode
- 39 is a gold wire
- 40 is an organic insulating film
- 41 is an adhesive layer of a WB tape
- 42 is a die bond adhesive layer
- 4 3 is a conductor of a hang-hole connection portion
- 4 4 is a solder ball
- 4 5 is an adhesive layer of a semiconductor connection substrate
- 4 6 is a layer on which no conductor pattern is formed (a reinforcing plate)
- 4 7 is a sealing resin. Is shown.
- Example 12 In the same manner as in Example 12, a tape with a semiconductor adhesive was obtained using the raw materials shown in Table 1 and the adhesives prepared at the composition ratios shown in Table 5, respectively. The characteristics are also shown in Table 5.
- FIG. 13 shows the measurement results of ta ⁇ ⁇ of Comparative Example 1.
- CRMO 8 03 CRMO 8 03 CKM 1 6 34 CRMO 8 0 3 20 11 ⁇ — i n ⁇
- Phenol spore 3 CKM9 3 5 CK S 38 0 A CKM9 3 5- 20 one o u one
- the present invention relates to an adhesive sheet suitable for an adhesive layer of a semiconductor connection substrate used for mounting a semiconductor integrated circuit, a tape with an adhesive used for a tape automated bonding (TAB) method (hereinafter referred to as a TAB tape). ), Tapes with an adhesive used for a wire-to-bond connection method (hereinafter referred to as WB tapes), and semiconductor connection substrates and semiconductor devices using these tapes, which are industrially provided. According to the present invention, the reliability of a semiconductor device for high-density bumping can be improved.
- TAB tape tape automated bonding
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Adhesive Tapes (AREA)
- Wire Bonding (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97904577T ATE285623T1 (de) | 1996-02-19 | 1997-02-19 | Klebeband für substrat zur verbindung von halbleiter, klebstoffbeschichtetes band für tab, klebstoffbeschichtetes band für drahtbandverbindungen, verbindungssubstrat für halbleiter und halbleitervorrichtung |
DE69732004T DE69732004T2 (de) | 1996-02-19 | 1997-02-19 | Klebeband für substrat zur verbindung von halbleiter, klebstoffbeschichtetes band für tab, klebstoffbeschichtetes band für drahtbandverbindungen, verbindungssubstrat für halbleiter und halbleitervorrichtung |
US08/945,221 US6303219B1 (en) | 1996-02-19 | 1997-02-19 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device |
EP97904577A EP0823729B1 (en) | 1996-02-19 | 1997-02-19 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device |
HK98109639A HK1008913A1 (en) | 1996-02-19 | 1998-08-03 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backedtape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device. |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/30500 | 1996-02-19 | ||
JP3050196 | 1996-02-19 | ||
JP8/30501 | 1996-02-19 | ||
JP3050096 | 1996-02-19 | ||
JP8/31782 | 1996-02-20 | ||
JP3178296 | 1996-02-20 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/945,221 A-371-Of-International US6303219B1 (en) | 1996-02-19 | 1997-02-19 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device |
US09/940,513 Division US6716529B2 (en) | 1996-02-19 | 2001-08-29 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for TAB, adhesive-backed tape for wire bonding connection, semiconductor connecting substrate and semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997030475A1 true WO1997030475A1 (en) | 1997-08-21 |
Family
ID=27286984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/000453 WO1997030475A1 (en) | 1996-02-19 | 1997-02-19 | Adhesive sheet for semiconductor connecting substrate, adhesive-backed tape for tab, adhesive-backed tape for wire-bonding connection, semiconductor connecting substrate, and semiconductor device |
Country Status (8)
Country | Link |
---|---|
US (2) | US6303219B1 (ja) |
EP (2) | EP0823729B1 (ja) |
KR (1) | KR100417776B1 (ja) |
AT (2) | ATE285623T1 (ja) |
DE (2) | DE69739429D1 (ja) |
HK (2) | HK1008913A1 (ja) |
TW (1) | TW340967B (ja) |
WO (1) | WO1997030475A1 (ja) |
Cited By (2)
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EP0933413A3 (en) * | 1998-01-19 | 2005-06-29 | Nitto Denko Corporation | Adhesive sheets for semiconductor device and face-mounting type semiconductor device |
CN115648750A (zh) * | 2022-12-09 | 2023-01-31 | 福建利豪电子科技股份有限公司 | 一种耐高温纸基型复合基覆铜箔层压板的制造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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CN115648750A (zh) * | 2022-12-09 | 2023-01-31 | 福建利豪电子科技股份有限公司 | 一种耐高温纸基型复合基覆铜箔层压板的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1447843B1 (en) | 2009-05-27 |
KR100417776B1 (ko) | 2004-03-19 |
TW340967B (en) | 1998-09-21 |
EP1447843A2 (en) | 2004-08-18 |
EP0823729B1 (en) | 2004-12-22 |
US6303219B1 (en) | 2001-10-16 |
DE69732004T2 (de) | 2006-01-19 |
HK1064803A1 (en) | 2005-02-04 |
US6716529B2 (en) | 2004-04-06 |
ATE285623T1 (de) | 2005-01-15 |
EP0823729A1 (en) | 1998-02-11 |
EP0823729A4 (en) | 2000-05-03 |
ATE432531T1 (de) | 2009-06-15 |
EP1447843A3 (en) | 2004-12-01 |
DE69739429D1 (de) | 2009-07-09 |
DE69732004D1 (de) | 2005-01-27 |
US20020025431A1 (en) | 2002-02-28 |
KR19990007859A (ko) | 1999-01-25 |
HK1008913A1 (en) | 1999-07-30 |
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