Abstract:
[PROBLEM] To provide a laminated body and so forth that makes it possible to prevent pieces of post-dicing semiconductor backside protective film from sticking to one another.[SOLUTION MEANS] This relates to a laminated body comprising a two-sided adhesive sheet and a semiconductor backside protective film arranged over the two-sided adhesive sheet. The two-sided adhesive sheet comprises a first adhesive layer, a second adhesive layer, and a base layer. The base layer is disposed between the first adhesive layer and the second adhesive layer. The first adhesive layer has a property such that application of heat causes reduction in the peel strength thereof. The first adhesive layer is disposed between the semiconductor backside protective film and the base layer.
Abstract:
The present invention provides an adhesive sheet used in manufacture of a semiconductor device, containing a filler having an average particle size of 0.3 μm or less and an acrylic resin, wherein the content of the filler is in the range of 20 to 45% by weight with respect to the entire adhesive sheet, and the content of the acrylic resin is in the range of 40 to 70% by weight with respect to entire resin components.
Abstract:
The present invention provides a dicing tape-integrated film for semiconductor back surface, including a film for flip chip type semiconductor back surface for protecting a back surface of a semiconductor element flip chip-connected onto an adherend, and a dicing tape, the dicing tape including a base material and a pressure-sensitive adhesive layer provided on the base material, the film for flip chip type semiconductor back surface being formed on the pressure-sensitive adhesive layer, in which the pressure-sensitive adhesive layer is a radiation-curable pressure-sensitive adhesive layer whose pressure-sensitive adhesive force toward the film for flip chip type semiconductor back surface is decreased by irradiation with a radiation ray.
Abstract:
The present invention provides a dicing tape-integrated wafer back surface protective film including: a dicing tape including a base material and a pressure-sensitive adhesive layer formed on the base material; and a wafer back surface protective film formed on the pressure-sensitive adhesive layer of the dicing tape, in which the wafer back surface protective film is colored. It is preferable that the colored wafer back surface protective film has a laser marking ability. The dicing tape-integrated wafer back surface protective film can be suitably used for a flip chip-mounted semiconductor device.
Abstract:
A protective sheet according to the present invention is a protective sheet for being attached to a protected surface of an electronic component having the protected surface, one surface of a glass piece forming a display surface of a display apparatus, or one surface of a glass plate for obtaining the glass piece. The protective sheet includes a protective layer for being attached to the protected surface of the electronic component, the one surface of the glass piece, or the one surface of the glass plate. The protective layer is made of one of a water-soluble resin composition and a curable resin composition with its adhesiveness reducible by curing reaction.
Abstract:
[PROBLEM] In accordance with one aspect of the present invention, to provide a tape and a sheet that make it possible to reduce cracking that would otherwise occur at the chip side face during dicing.[SOLUTION MEANS] One aspect of the present invention relates to a sheet. The sheet comprises dicing film. The dicing film comprises a base layer and an adhesive layer disposed on the base layer. The sheet further comprises a semiconductor backside protective film disposed on the adhesive layer. Shear adhesive strength at 25° C. of the semiconductor backside protective film with respect to a silicon chip is not less than 1.7 kgf/mm2.
Abstract:
Disclosed are a rear surface-protective film making it possible to detect, after this film is bonded to a semiconductor wafer, a notch in this wafer, and to prevent the rear surface-protective film from being stuck out; and others. Disclosed are a rear surface-protective filmmaking it possible to detect, after this film is bonded to a semiconductor wafer, a notch in this wafer; and others. An aspect of the invention relates to a rear surface-protective film for being bonded to a rear surface of a semiconductor wafer. The film is smaller in outer circumstance than the semiconductor wafer, and a notch is provided in the film. Another aspect of the invention relates to a rear surface-protective film having a total light transmittance of 3% or more at a wavelength of 555 nm.
Abstract:
The present invention relates to a dicing tape-integrated film for semiconductor back surface, which includes: a dicing tape including a base material having an asperities-formed surface, and a pressure-sensitive adhesive layer laminated on the base material, and a film for semiconductor back surface laminated on the pressure-sensitive adhesive layer of the dicing tape, in which the dicing tape has a haze of at most 45%.
Abstract:
The present invention is to provide a dicing-tape integrated film for the backside of a semiconductor that is capable of suppressing the increase of the peel strength between the dicing tape and the film for the backside of a flip-chip semiconductor due to heating. The dicing-tape integrated film for the backside of a semiconductor has a dicing tape having a substrate and a pressure-sensitive adhesive layer formed on the substrate and a film for the backside of a flip-chip semiconductor formed on the pressure-sensitive adhesive layer of the dicing tape, in which the difference (γ2−γ1) of the surface free energy γ2 and the surface free energy γ1 is 10 mJ/m2 or more, where γ1 represents the surface free energy of the pressure-sensitive adhesive layer and γ2 represents the surface free energy of the film for the backside of a flip-chip semiconductor.
Abstract:
The present invention relates to a film for semiconductor device production, which includes: a separator; and a plurality of adhesive layer-attached dicing tapes each including a dicing tape and an adhesive layer laminated on the dicing tape, which are laminated on the separator at a predetermined interval in such a manner that the adhesive layer attaches to the separator, in which the separator has a cut formed along the outer periphery of the dicing tape, and the depth of the cut is at most ⅔ of the thickness of the separator.