WO2022230907A1 - テープ - Google Patents
テープ Download PDFInfo
- Publication number
- WO2022230907A1 WO2022230907A1 PCT/JP2022/018955 JP2022018955W WO2022230907A1 WO 2022230907 A1 WO2022230907 A1 WO 2022230907A1 JP 2022018955 W JP2022018955 W JP 2022018955W WO 2022230907 A1 WO2022230907 A1 WO 2022230907A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tape
- adhesive
- adhesive layer
- layer
- elastic modulus
- Prior art date
Links
- 239000010410 layer Substances 0.000 claims abstract description 46
- 239000012790 adhesive layer Substances 0.000 claims description 55
- 239000000853 adhesive Substances 0.000 claims description 47
- 230000001070 adhesive effect Effects 0.000 claims description 45
- 239000004065 semiconductor Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 19
- 229920002577 polybenzoxazole Polymers 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 12
- 239000004820 Pressure-sensitive adhesive Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 description 31
- 239000011347 resin Substances 0.000 description 31
- 239000000463 material Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 229920001721 polyimide Polymers 0.000 description 12
- 235000012431 wafers Nutrition 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000004642 Polyimide Substances 0.000 description 7
- 239000004697 Polyetherimide Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920001601 polyetherimide Polymers 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 239000009719 polyimide resin Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229920002312 polyamide-imide Polymers 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004823 Reactive adhesive Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
- 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
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- 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
- 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
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2461/00—Presence of condensation polymers of aldehydes or ketones
- C09J2461/006—Presence of condensation polymers of aldehydes or ketones in the substrate
-
- 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
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
- C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate
Definitions
- the present invention relates to tapes.
- This application claims priority based on Japanese Patent Application No. 2021-076510 filed in Japan on April 28, 2021, the content of which is incorporated herein.
- the tape When the semiconductor fixed to the tape is a chip, the tape must be able to follow the chip.
- the followability means that the tape is appropriately extended to the chip having a three-dimensional shape so as to be adhered with almost no gap. Further, when a semiconductor chip fixed to a tape is mounted on a substrate such as an interposer, the tape is required to have heat resistance to withstand the melting temperature of solder in a reflow process.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a tape having followability and heat resistance.
- a tape of one embodiment of the present invention is a tape having an adhesive layer on one side of a base layer, having an elongation at break of 100% or more, an elastic modulus of 2 GPa or less, and 230 After heating at °C for 80 seconds, it has an elongation at break of 100% or more and an elastic modulus of 2 GPa or less.
- the adhesive strength of the tape may be reduced by curing the adhesive layer.
- the tape is a tape having the adhesive layer on one side of a base layer formed using a solvent-soluble polyimide varnish, and the adhesive layer reduces the adhesive strength by curing. It may be something that can be done.
- the tape is a tape having the adhesive layer on one side of a base layer having a highly stretchable polyimide resin having an aliphatic unit having 3 or more carbon atoms between aromatic units,
- the tacky-adhesive layer may be capable of reducing the tacky-adhesive force by curing.
- highly stretchable refers to a material that has a low elastic modulus, a sufficient tensile elongation, and can be easily stretched by hand, such as a polyethylene film or a polypropylene film.
- the adhesive strength at room temperature to a smooth surface of polybenzoxazole is It may be 0.5 N/25 mm or less.
- the tape may have a release film on the adhesive surface of the adhesive layer opposite to the base layer.
- the tape may be a protective tape for semiconductor chips.
- the breaking elongation is 100% or more and the elastic modulus is 2 GPa or less, and after heating at 230 ° C. for 80 seconds, the breaking elongation is 100% or more and the elastic modulus is 2 GPa or less. Even when the tape holds a semiconductor chip, it has followability and heat resistance.
- FIG. 1 shows an example of a tape according to an embodiment of the invention.
- the tape 10 of the embodiment is a tape 10 having an adhesive layer 11 on one side of a base material layer 12, and has an elongation at break of 100% or more and an elastic modulus of 2 GPa or less. Specific methods for measuring elongation at break and elastic modulus are as described in the examples below. Furthermore, the tape 10 maintains a breaking elongation of 100% or more and an elastic modulus of 2 GPa or less even after being heated at 230° C. for 80 seconds.
- the upper limit of the breaking elongation before heating and after heating is not particularly limited in the present invention, it may be about 200% as an industrially preferable range. Also, the lower limit of the elastic modulus before and after heating is not particularly limited in the present invention, but it may be about 1 GPa as an industrially preferable range.
- the adhesive layer 11 can fix adherends such as semiconductor wafers and semiconductor chips with a predetermined adhesive force.
- the adherend is fixed to the adhesive surface 11 a of the adhesive layer 11 .
- the adhesive layer refers to either an adhesive layer, an adhesive layer, or a layer having properties of both an adhesive layer and an adhesive layer.
- the adhesive layer 11 can be formed from an adhesive.
- a tacky-adhesive refers to either a pressure-sensitive adhesive, an adhesive, or a substance having the properties of both a pressure-sensitive adhesive and an adhesive.
- Adhesive strength is peel strength, and refers to adhesive strength or adhesive strength, for example.
- the adhesive surface 11a is a surface on which the adhesive layer 11 has adhesive strength, and refers to, for example, an adhesive surface or an adhesive surface.
- the adhesive layer 11 is not limited to a pressure-sensitive adhesive (adhesive), and may be formed using a curable adhesive, a reactive adhesive, a solvent adhesive, or the like.
- the tape 10 using an adhesive for the adhesive layer 11 may be an adhesive tape.
- the tape 10 using an adhesive for the adhesive layer 11 may be an adhesive tape.
- the release film 14 may be adhered to the adhesive surface 11 a of the adhesive layer 11 until the adherend is fixed to the adhesive layer 11 .
- the base material layer 12 may have an anchor agent layer between the adhesive layer 11 and the adhesive layer 11.
- the anchoring agent layer is a layer made of a material that adheres well to the base material layer 12 and the adhesive layer 11 in order to increase the bonding strength between them.
- the thickness of the anchoring agent layer is not particularly limited, it may be, for example, about 1 to 20 ⁇ m.
- the release film 14 is removed before attaching the tape 10 to the adherend.
- a tape body 13 having an adhesive layer 11 on one side of a substrate layer 12 is attached to the adherend.
- the base material layer 12 is not particularly limited, but polyolefin resin such as polyethylene (PE) resin and polypropylene (PP) resin; polyethylene terephthalate (PET) resin, polybutylene terephthalate (PBT) resin, and polyethylene naphthalate (PEN) resin.
- PE polyethylene
- PP polypropylene
- PET polyethylene terephthalate
- PBT polybutylene terephthalate
- PEN polyethylene naphthalate
- polyester resins such as nylon; polyamide (PA) resins such as nylon, polyimide (PI) resins, polyetherimide (PEI) resins, polyamideimide (PAI) resins, polycarbonate (PC) resins, polyethersulfone (PES) resins, polyphenylene
- PA polyamide
- PI polyimide
- PEI polyetherimide
- PAI polyamideimide
- PC polycarbonate
- PES polyethersulfone
- PES polyphenylene
- a resin film of one, a mixture or a copolymer of two or more of sulfide (PPS) resin, polyetheretherketone (PEEK) resin, fluororesin, and the like can be mentioned.
- the optical properties of the base material layer 12 are not particularly limited, and it can be used regardless of whether it is transparent, translucent, or opaque.
- the base layer 12 may be a colored or printed resin film.
- the thickness of the base material layer 12 is not particularly limited, but for example, it is 5 to 500 ⁇ m, and if it is thin, it may be about 15 to 30 ⁇ m.
- the base material layer 12 may be a single layer or a laminate of two or more layers.
- the tape 10 has a breaking elongation of 100% or more and an elastic modulus of 2 GPa or less.
- the breaking elongation and elastic modulus of the embodiment are the breaking elongation and the elastic modulus of the tape body 13 having the adhesive layer 11 on one side of the base layer 12, excluding the release film 14. Elastic modulus is measured.
- the breaking elongation is a value expressed in % at the time when a sample such as a film breaks by pulling at a constant speed. Specifically, when the length of the sample before the tensile test is Lo and the length of the sample at break is L, the elongation at break is expressed as (L ⁇ Lo)/Lo ⁇ 100 (%). . The higher the elongation at break, the more flexible the film is to tensile force. An example of specific conditions for measuring the elongation at break will be described in Examples below.
- the elastic modulus is the constant of proportionality between stress and strain when a sample such as a film is elastically deformed.
- Elastic moduli include tensile elastic modulus, compression elastic modulus, bending elastic modulus, shear elastic modulus, torsional elastic modulus, and the like.
- the elastic modulus in the tensile direction is called Young's modulus.
- the apparatus and sample used for the Young's modulus test may be the same as those used for the breaking elongation test.
- the elastic modulus of the tape 10 is not particularly limited as long as it is 2 GPa or less, but may be 0.5 GPa or more, for example, about 1.0 GPa. An example of specific elastic modulus measurement conditions will be described in Examples below. Although the lower limit of the elastic modulus of the tape 10 is not particularly limited in the present invention, it may be about 0.5 GPa.
- the base material layer 12 is preferably made of a resin having high heat resistance and has heat resistance to heat treatment at a heating temperature of 200°C to 260°C, for example. Having heat resistance means that when the substrate layer 12 is heated to the above temperature range (no thermal decomposition or deformation occurs).
- heat-resistant resins include polyimide (PI) resin, polyetherimide (PEI) resin, polyamideimide (PAI) resin, polyethersulfone (PES) resin, polyphenylene sulfide (PPS) resin, polyether ether One of ketone (PEEK) resin, polyethylene naphthalate (PEN) resin, fluorine resin and the like, or mixtures and copolymers of two or more of them can be used.
- the elongation at break and elastic modulus described above are maintained even after the heat treatment.
- the tape 10 maintains an elongation at break of 100% or more and an elastic modulus of 2 GPa or less even after being heated at 230° C. for 80 seconds.
- the substrate layers 12 as a resin having both heat resistance and flexibility, it is preferable to use, for example, a highly stretchable polyimide resin having an aliphatic unit having 3 or more carbon atoms between aromatic units. . Furthermore, the aliphatic unit preferably contains a polyalkyleneoxy group having an alkylene group having about 1 to 10 carbon atoms.
- a solvent-soluble polyimide varnish may be used as a material for forming the polyimide resin layer.
- the polyimide resin may be a copolymer having an imide group in the molecule, and may be a polyetherimide (PEI) resin, a polyamideimide (PAI) resin, or the like.
- the adhesive layer 11 can reduce the adhesive strength to the adherend so that the adherend such as a semiconductor wafer or semiconductor chip can be easily removed as necessary.
- the adhesive layer 11 is cured when irradiated with energy rays such as ultraviolet rays and electron beams. , the adhesive strength can be reduced.
- the base layer preferably transmits energy rays for curing the adhesive layer 11 .
- the transmittance of the substrate layer 12 is 15% or more at a wavelength of 365 nm, 405 nm, or a wavelength therebetween. More preferably, the transmittance is 50% or more.
- the release film 14 is not particularly limited as long as it covers the adhesive layer 11 to protect the adhesive layer 11 when the tape 10 is not in use, and can be peeled off before fixing the adherend.
- the release film 14 may be, for example, a resin film having on its surface a release agent layer composed of a silicone-based release agent, a fluorine-based release agent, a long-chain alkyl-based release agent, or the like, or may be a resin film having no release agent layer on its surface. It may be a resin film.
- the release film 14 does not need to have excellent heat resistance, high stretchability, energy ray transmittance, etc., but may have transparency in order to facilitate visual inspection of the adhesive layer 11 .
- the method of manufacturing the tape 10 is not particularly limited, but the tape 10 may be manufactured by forming the adhesive layer 11 on the base layer 12 .
- the tape 10 may be manufactured by forming the adhesive layer 11 on the release film 14 and then combining it with the base material layer 12 .
- the tape 10 may be manufactured by sequentially forming the adhesive layer 11 and the base material layer 12 on the release film 14 by coating or the like.
- the laminate having the tape body 13 and the release film 14 may be rolled.
- the release film 14 may be omitted, and the adhesive layer 11 of the tape body 13 may be wound so as to overlap the base material layer 12 .
- the substrate layer 12 may also function as the release film 14 , and a release agent layer may be provided on the back surface 12 a of the substrate layer 12 .
- the method of manufacturing a semiconductor component using the tape 10 is not particularly limited, but the tape 10 may be attached to a semiconductor wafer, or the tape 10 may be attached to a semiconductor chip.
- a fixing step of fixing the semiconductor wafer to the adhesive layer 11 of the tape 10 is performed. and a pick-up process for peeling off the semiconductor chip from the tape 10 .
- the semiconductor chips obtained by cutting the semiconductor wafer may be fixed to the adhesive layer 11 of the tape 10, and the semiconductor chips may be processed on the tape 10. .
- Each process related to the manufacture of semiconductor components may be carried out in a different situation from the above-mentioned fixing process in terms of the subjects, places, etc., that carry out each process.
- the adhesive layer 11 When removing the adherend from the adhesive layer 11 , the adhesive layer 11 may be irradiated with energy rays to reduce the adhesive strength of the adhesive layer 11 .
- a reflow process may be performed to solder the semiconductor chip to other components such as an interposer and a lead frame.
- the tape 10 is applied to the reflow process, it is preferable that the tape 10 has heat resistance to withstand the reflow process.
- Solder used for reflow is not particularly limited, but may be, for example, plate-like, paste-like, cream-like, or the like.
- the tape 10 may be used to temporarily fix the semiconductor chip before reflow to an interposer or the like. In order to adhere the tape 10 to the semiconductor chip or the like, the surroundings may be vacuumed.
- the adherend is not limited to semiconductor wafers and semiconductor chips such as silicon (Si), and may include glass substrates, metal substrates, resin substrates, laminates containing one or more of these, electronic devices, and the like. These adherends are subjected to processing, treatment, etc. of the adherend to which the tape is attached in the same manner as in the manufacturing method of the semiconductor component described above, and then the adherend is peeled off from the tape 10. can be performed.
- Applications of the tape are not particularly limited, but include protective tapes, cover tapes, dicing tapes, die bonding tapes, masking tapes, polishing tapes, sealing tapes, carrier tapes, insulating tapes, process tapes, and the like.
- Young's modulus was determined from the initial slope of the stress-strain chart in the tensile test. Breaking strength was measured by strength (MPa) when the sample was broken. For the breaking elongation, the length of the sample before the tensile test is Lo, the length of the sample at break is L, and the tensile elongation (%) when the sample breaks is 100 x (L-Lo) / Lo. Calculated.
- Heat-resistant Heat resistance is obtained by placing a sample of the same type as the above tensile property in an oven, heating it in air at 230 ° C. for 80 seconds, and cooling it to room temperature (23 ° C.). , breaking strength, and breaking elongation were measured under the same conditions as above, and the average value of the three test results was obtained.
- Adhesive strength was measured using a tensile tester (trade name: EZ Graph) manufactured by Shimadzu Corporation, with a sample size of 25 mm in width and 100 mm in length, at a temperature of 23°C (room temperature), and the adherend being treated with PBO. The measurement was repeated three times under the conditions of a silicon wafer, a bonding method using a 2 kg roller, a bonding region having a width of 25 mm x a length of 90 mm, a tensile speed of 300 mm/min, and a peeling angle of 180°, and the average value was adopted.
- As the adhesive strength two types of "initial adhesive strength" and "adhesive strength after heating" were measured.
- “Initial tack force” is the tack force measured before heating.
- “Adhesive strength after heating” is the adhesive strength measured after heating in air at 230°C for 80 seconds.
- the PBO-treated silicon wafer of the adherend is a silicon wafer having a PBO film on its surface, and by using this adherend, the adhesive strength of PBO to a smooth surface is measured.
- Table 1 shows the evaluation results.
- the tapes of Examples 1 and 2 had heat resistance that could withstand the reflow process, chip followability, and adhesive strength. Due to the high elongation at break and low elastic modulus of the tape, it can be used even on adherends with unevenness on the adherend surface, such as substrates on which circuit parts such as semiconductor chips are arranged, including the surroundings of the unevenness. It was found that excellent conformability to the adherend surface can be realized.
- the tapes of Comparative Examples 1 and 2 had a breaking elongation of less than 100% and an elastic modulus of more than 2 GPa, indicating poor followability to chips.
- the tapes of Comparative Examples 1 and 2 also have heat resistance in that there is not much difference between the tensile properties before heating and the tensile properties after heating at 230° C. for 80 seconds.
- its poor conformability to chips is thought to be due to its low breaking elongation and high elastic modulus (Young's modulus), which makes the tape less deformable. be done.
Landscapes
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Dicing (AREA)
- Laminated Bodies (AREA)
Abstract
Description
本願は、2021年4月28日に、日本に出願された特願2021-076510号に基づき優先権を主張し、その内容をここに援用する。
前記テープは、半導体チップの保護テープであってもよい。
耐熱性を有する微粘着の粘着剤を用いて厚さ20μmの粘接着層を形成し、三井化学株式会社製の溶剤可溶型ポリイミドワニス(商品名:MP17A)を用いて基材層を形成することにより、実施例1~2のテープを作製した。実施例1のテープでは、基材層の厚さを12.5μmとした。実施例2のテープでは、基材層の厚さを25μmとした。
実施例1~2と同じ材料を用いて厚さ20μmの粘接着層を形成し、倉敷紡績株式会社製のポリエーテルエーテルケトンフィルム(商品名:EXPEEK(登録商標)、厚さ25μm)を用いて基材層を形成することにより、比較例1のテープを作製した。
実施例1~2と同じ材料を用いて厚さ20μmの粘接着層を形成し、東レ・デュポン株式会社のポリイミドフィルム(商品名:カプトン(登録商標)50H、厚さ12.5μm)を用いて基材層を形成することにより、比較例2のテープを作製した。
500~600μmの間隔で、50~60μmの高さのチップが置かれたインターポーザー上にテープを真空テープマウンターにて貼合した。テープは、インターポーザー上に配置された複数のチップの周囲を被覆するように、インターポーザーの表面及び各チップの外周面に貼合された。各チップの立体形状に沿ってほぼ隙間無く追従するようにテープが変形した場合を(〇)、各チップに追従するようにテープが変形しなかった場合を(×)と評価した。
引張特性として、ヤング率、破断強度、破断伸度の3種類を測定した。測定装置には、株式会社島津製作所製の引張り試験機(商品名:AGS-X 500N)を使用した。試料のサイズは、幅15mm×長さ120mmとした。環境温度を室温(23℃)とし、試料の長さ方向の両端を引張り試験機の掴み具でそれぞれ10mm掴み、引張速度50mm/minで、繰り返し3回、引張試験を行い、下記各特性について3回の平均値を算出した。
破断強度は、試料が破断した時の強度(MPa)を測定した。
破断伸度は、引張試験前の試料の長さをLo、破断時の試料の長さをLとして、試料が破断した時の引張伸び(%)を、100×(L-Lo)/Loとして算出した。
耐熱性は、上記の引張特性と同じ形式の試料をオーブンに入れて、空気中で230℃×80秒の加熱を経て室温(23℃)まで冷却した後の試料について、引張特性として、ヤング率、破断強度、および破断伸度の3種類を前記と同じ条件で測定し、それぞれ3回の試験結果の平均値を求めた。
粘接着力は、株式会社島津製作所製の引張り試験機(商品名:EZ Graph)を使用し、試料のサイズを幅25mm×長さ100mmとし、温度23℃(室温)、被着体はPBO処理シリコンウェハ、貼合方法は2kgローラー使用、貼合領域は幅25mm×長さ90mm、引張速度300mm/min、剥離角度180°とする条件で、繰り返し3回測定し、平均値を採用した。粘接着力として、「初期粘接着力」及び「加熱後粘接着力」の2種類を測定した。「初期粘接着力」は、加熱前に測定した粘接着力である。「加熱後粘接着力」は、空気中で230℃×80秒の加熱後に測定した粘接着力である。被着体のPBO処理シリコンウェハは、表面にPBO膜を有するシリコンウェハであり、この被着体を用いることにより、PBOの平滑な表面に対する粘接着力が測定される。
Claims (5)
- 基材層の片面に粘接着層を有するテープであって、破断伸度100%以上、弾性率2GPa以下であり、かつ、230℃×80秒の加熱後において、破断伸度100%以上、弾性率2GPa以下を保持する、テープ。
- 前記粘接着層が硬化により粘接着力を低下させることができる、請求項1に記載のテープ。
- 230℃×80秒の加熱後、又は前記粘接着層の硬化により粘接着力を低下させた後において、ポリベンゾオキサゾール(PBO)に対する粘接着力が0.5N/25mm以下である、請求項1又は2に記載のテープ。
- 前記粘接着層の、前記基材層とは反対側の粘接着面に、剥離フィルムを有する、請求項1~3のいずれか1項に記載のテープ。
- 半導体チップの保護テープである、請求項1~4のいずれか1項に記載のテープ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22795820.4A EP4332187A1 (en) | 2021-04-28 | 2022-04-26 | Tape |
US18/557,385 US20240199921A1 (en) | 2021-04-28 | 2022-04-26 | Tape |
CN202280031095.6A CN117203297A (zh) | 2021-04-28 | 2022-04-26 | 带 |
KR1020237036493A KR20240001144A (ko) | 2021-04-28 | 2022-04-26 | 테이프 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-076510 | 2021-04-28 | ||
JP2021076510A JP7005805B1 (ja) | 2021-04-28 | 2021-04-28 | テープ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022230907A1 true WO2022230907A1 (ja) | 2022-11-03 |
Family
ID=80856395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/018955 WO2022230907A1 (ja) | 2021-04-28 | 2022-04-26 | テープ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240199921A1 (ja) |
EP (1) | EP4332187A1 (ja) |
JP (2) | JP7005805B1 (ja) |
KR (1) | KR20240001144A (ja) |
CN (1) | CN117203297A (ja) |
TW (1) | TW202249093A (ja) |
WO (1) | WO2022230907A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024181053A1 (ja) * | 2023-02-28 | 2024-09-06 | 古河電気工業株式会社 | 半導体加工用テープ |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003105292A (ja) | 2001-07-04 | 2003-04-09 | Furukawa Electric Co Ltd:The | 帯電防止ダイシングテープ |
JP2006339236A (ja) * | 2005-05-31 | 2006-12-14 | Toyobo Co Ltd | 半導体ウエハ保護用粘着テープ |
JP2010225753A (ja) | 2009-03-23 | 2010-10-07 | Furukawa Electric Co Ltd:The | ダイシングテープ |
JP2010251722A (ja) | 2009-03-23 | 2010-11-04 | Furukawa Electric Co Ltd:The | ダイシングテープ、ダイシングテープの硬化阻害防止方法、ダイシングテープ用紫外線硬化型粘着剤 |
JP2011068727A (ja) * | 2009-09-24 | 2011-04-07 | Lintec Corp | シートおよび粘着シート |
JP2014001363A (ja) * | 2012-05-21 | 2014-01-09 | Toray Ind Inc | 金属接着用二軸延伸ポリアリーレンスルフィドフィルム |
JP2017126735A (ja) * | 2016-01-12 | 2017-07-20 | 藤森工業株式会社 | カバーレイフィルム |
JP2021068877A (ja) * | 2019-10-28 | 2021-04-30 | 藤森工業株式会社 | ダイシングテープ、及び半導体部品の製造方法 |
JP2021076510A (ja) | 2019-11-12 | 2021-05-20 | 日本製鉄株式会社 | 試験装置及び試験方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4230080B2 (ja) * | 2000-02-18 | 2009-02-25 | リンテック株式会社 | ウエハ貼着用粘着シート |
JP2016018811A (ja) * | 2014-07-04 | 2016-02-01 | 積水化学工業株式会社 | ダイシング−ダイボンディングテープ |
JP6482268B2 (ja) * | 2014-12-22 | 2019-03-13 | リンテック株式会社 | 粘着シート |
JP6805233B2 (ja) | 2016-03-10 | 2020-12-23 | リンテック株式会社 | ダイシングダイボンディングシート、半導体チップの製造方法及び半導体装置の製造方法 |
JP7012446B2 (ja) * | 2017-03-17 | 2022-01-28 | 藤森工業株式会社 | カバーレイフィルム及びその製造方法 |
JP7048277B2 (ja) * | 2017-11-28 | 2022-04-05 | 藤森工業株式会社 | カバーレイフィルムおよびそれを用いた電子機器 |
JP2021050319A (ja) * | 2019-09-19 | 2021-04-01 | 日東電工株式会社 | 粘着テープ |
-
2021
- 2021-04-28 JP JP2021076510A patent/JP7005805B1/ja active Active
-
2022
- 2022-01-04 JP JP2022000138A patent/JP2022170661A/ja active Pending
- 2022-04-26 EP EP22795820.4A patent/EP4332187A1/en active Pending
- 2022-04-26 KR KR1020237036493A patent/KR20240001144A/ko unknown
- 2022-04-26 US US18/557,385 patent/US20240199921A1/en active Pending
- 2022-04-26 WO PCT/JP2022/018955 patent/WO2022230907A1/ja active Application Filing
- 2022-04-26 CN CN202280031095.6A patent/CN117203297A/zh active Pending
- 2022-04-27 TW TW111115976A patent/TW202249093A/zh unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003105292A (ja) | 2001-07-04 | 2003-04-09 | Furukawa Electric Co Ltd:The | 帯電防止ダイシングテープ |
JP2006339236A (ja) * | 2005-05-31 | 2006-12-14 | Toyobo Co Ltd | 半導体ウエハ保護用粘着テープ |
JP2010225753A (ja) | 2009-03-23 | 2010-10-07 | Furukawa Electric Co Ltd:The | ダイシングテープ |
JP2010251722A (ja) | 2009-03-23 | 2010-11-04 | Furukawa Electric Co Ltd:The | ダイシングテープ、ダイシングテープの硬化阻害防止方法、ダイシングテープ用紫外線硬化型粘着剤 |
JP2011068727A (ja) * | 2009-09-24 | 2011-04-07 | Lintec Corp | シートおよび粘着シート |
JP2014001363A (ja) * | 2012-05-21 | 2014-01-09 | Toray Ind Inc | 金属接着用二軸延伸ポリアリーレンスルフィドフィルム |
JP2017126735A (ja) * | 2016-01-12 | 2017-07-20 | 藤森工業株式会社 | カバーレイフィルム |
JP2021068877A (ja) * | 2019-10-28 | 2021-04-30 | 藤森工業株式会社 | ダイシングテープ、及び半導体部品の製造方法 |
JP2021076510A (ja) | 2019-11-12 | 2021-05-20 | 日本製鉄株式会社 | 試験装置及び試験方法 |
Also Published As
Publication number | Publication date |
---|---|
US20240199921A1 (en) | 2024-06-20 |
JP2022170408A (ja) | 2022-11-10 |
KR20240001144A (ko) | 2024-01-03 |
CN117203297A (zh) | 2023-12-08 |
TW202249093A (zh) | 2022-12-16 |
EP4332187A1 (en) | 2024-03-06 |
JP2022170661A (ja) | 2022-11-10 |
JP7005805B1 (ja) | 2022-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI443726B (zh) | 切割/晶片接合薄膜 | |
WO2010024121A1 (ja) | ダイシング・ダイボンドフィルムの製造方法 | |
WO2009090817A1 (ja) | ダイシング・ダイボンドフィルム | |
JP7411381B2 (ja) | ダイシングテープ、及び半導体部品の製造方法 | |
KR20150135284A (ko) | 보호막 형성용 필름 및 보호막 형성용 복합 시트 | |
WO2014155756A1 (ja) | 粘着シートおよび保護膜形成用複合シートならびに保護膜付きチップの製造方法 | |
TW200809946A (en) | Heat-resistant dicing tape or sheet | |
CN106459688B (zh) | 半导体检查用的耐热性粘合片、以及半导体检查方法 | |
US20180190532A1 (en) | Film for semiconductor back surface | |
US10483131B2 (en) | Electronic-device-protecting film, electronic-device-protecting member, method for manufacturing electronic device, and method for manufacturing package | |
TW201906962A (zh) | 切晶帶一體型背面保護膜 | |
WO2022230907A1 (ja) | テープ | |
JP2014082498A (ja) | ダイシング・ダイボンドフィルムの製造方法 | |
KR20160129758A (ko) | 반도체 소자의 이면을 보호하기 위한 이면 보호 필름, 일체형 필름, 필름, 반도체 장치의 제조 방법 및 보호 칩의 제조 방법 | |
JP2011223013A (ja) | ダイシング・ダイボンドフィルムの製造方法 | |
CN111748298B (zh) | 透明粘接片及带有剥离材料的透明粘接片 | |
TW202039728A (zh) | 切晶帶一體型半導體背面密接膜 | |
KR20190113749A (ko) | 반도체 가공용 테이프 | |
WO2013115116A1 (ja) | 表面保護フィルム、該表面保護フィルムを用いた固体撮像素子の製造方法、および該製造方法で得られた固体撮像素子 | |
JP7165065B2 (ja) | クリーニングシートおよびクリーニング機能付搬送部材 | |
US20240021443A1 (en) | Curable resin film, film material for semiconductor device production, curable resin composition for semiconductor device production, and method for producing semiconductor device | |
JP7270397B2 (ja) | クリーニングシートおよびクリーニング機能付搬送部材 | |
JP7165066B2 (ja) | クリーニングシートおよびクリーニング機能付搬送部材 | |
KR20230044930A (ko) | 보호막 형성 필름, 보호막 형성용 시트, 보호막 형성용 복합 시트, 리워크 방법 및 장치의 제조 방법 | |
JP2022154844A (ja) | 接着剤片付きフィルム、接続体の製造方法、及び接着剤組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22795820 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280031095.6 Country of ref document: CN Ref document number: 18557385 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022795820 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022795820 Country of ref document: EP Effective date: 20231128 |