Patents by Inventor Kazunori Kondo

Kazunori Kondo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10730273
    Abstract: The present invention is a resin composition including: (A) an epoxy resin; (B) an epoxy compound shown by the following formula (1) and/or formula (2); (C) an epoxy compound shown by the following formula (3); (D) a phenolic curing agent; and (E) a curing accelerator, wherein “A” represents a single bond or a divalent organic group selected from the following formulae. This provides a resin composition with improved strength, reduced warpage, and excellent adhesion, a resin film with improved strength formed from the composition, a semiconductor laminate containing the cured material of the resin film and a method for manufacturing the same, as well as a semiconductor device into which the semiconductor laminate is diced and a method for manufacturing the same.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: August 4, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoichiro Ichioka, Naoyuki Kushihara, Kazunori Kondo, Kazuaki Sumita
  • Patent number: 10719015
    Abstract: A laminate comprising a thermoplastic film and a positive resist film is provided, the positive resist film comprising (A) a novolak resin-naphthoquinone diazide (NQD) base resin composition, (B) a polyester, and (C) 3-30 wt % of an organic solvent. The resist film may be transferred to a stepped support without forming voids.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 21, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshinori Hirano, Satoshi Asai, Kazunori Kondo
  • Publication number: 20200140678
    Abstract: A photosensitive resin composition is provided comprising (A) 100 pbw of a phenolic hydroxyl group-containing resin, and (B) 0.1-18 pbw of an epoxy additive in the form of a compound containing 1-8 epoxy groups per molecule, containing nitrogen, sulfur or phosphorus, and having a molecular weight of 50-6,000. The composition has an improved bonding force to metal wirings.
    Type: Application
    Filed: October 29, 2019
    Publication date: May 7, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yoichiro Ichioka, Kazunori Kondo
  • Patent number: 10538630
    Abstract: A silicone-modified polybenzoxazole resin comprising repeating units of formulae (1a) and (1b) is prepared by addition polymerization. R1 to R4 are a C1-C8 monovalent hydrocarbon group, m and n are integers of 0-300, R5 is C1-C8 alkylene or phenylene, a and b are positive numbers of less than 1, a+b=1, and X1 is a divalent linker of formula (2). The resin is flexible, soluble in organic solvents, and easy to use.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: January 21, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hitoshi Maruyama, Ryuto Hayashi, Kazunori Kondo, Hideyoshi Yanagisawa
  • Patent number: 10514601
    Abstract: A laminate comprising a thermoplastic film and a chemically amplified positive resist film thereon is provided, the resist film comprising (A) a base polymer having a hydroxyphenyl group and a protective group, the polymer turning alkali soluble as a result of the protective group being eliminated under the action of acid, (B) a photoacid generator, (C) an organic solvent, and (D) a polymer having an ester bond in its backbone. The resist film may be transferred to a stepped support without forming voids.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: December 24, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoshinori Hirano, Satoshi Asai, Kazunori Kondo
  • Patent number: 10503067
    Abstract: A photosensitive resin composition comprising (A) a silicone-modified polybenzoxazole resin and (B) a photoacid generator which is decomposed to generate an acid upon exposure to radiation of 190-500 nm is coated onto a substrate to form a thick coating, which is exposed to radiation, baked, and developed to form a pattern. The resin coating is capable of forming a fine pattern and has improved crack resistance and other film properties, and reliability.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: December 10, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hitoshi Maruyama, Kazunori Kondo, Hideyoshi Yanagisawa
  • Publication number: 20190354013
    Abstract: A photosensitive resin composition comprising (A) a vinyl ether compound, (B) an epoxy-containing silicone resin, and (C) a photoacid generator is provided. The composition enables pattern formation using radiation of widely varying wavelength, and the patterned film has high transparency, light resistance, and heat resistance.
    Type: Application
    Filed: May 9, 2019
    Publication date: November 21, 2019
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hitoshi Maruyama, Kazunori Kondo
  • Patent number: 10451970
    Abstract: The present invention provides a silicone skeleton-containing polymer including a silicone skeleton shown by the following formula (1) and having a weight average molecular weight of 3,000 to 500,000. This can provide a silicone skeleton-containing polymer that can easily form a fine pattern with a large film thickness, and can form a cured material layer (cured film) that is excellent in various film properties such as crack resistance and adhesion properties to a substrate, electronic parts, and a semiconductor device, particularly a base material used for a circuit board, and has high reliability as a film to protect electric and electronic parts and a film for bonding substrates; and a photo-curable resin composition that contains the polymer, a photo-curable dry film thereof, a laminate using these materials, and a patterning process.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: October 22, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hitoshi Maruyama, Kazunori Kondo, Michihiro Sugo
  • Patent number: 10428239
    Abstract: The present invention provides a resin composition including: (A) a silicone resin containing a constitutional unit shown by the following composition formula (1) and having a weight average molecular weight of 3,000 to 500,000; (B) an epoxy resin-curing agent; and (C) a filler; wherein the mass fraction of the component (C) is 50 to 95% by mass based on the total mass. This can provide a resin composition that can mold a wafer in a lump, has good molding properties particularly to a thin-film wafer having a large diameter, gives low-warping properties, as well as good wafer protection properties, high reliability, and good heat resistance after molding, can perform a molding process favorably, and can be used for wafer level packaging favorably.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: October 1, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kazunori Kondo, Yoichiro Ichioka
  • Patent number: 10377923
    Abstract: A surface protective film comprising a base film and a resin film thereon can be bonded to a substrate having a circuit-forming surface and separated therefrom after processing. The resin film is formed of a resin composition comprising (A) a silphenylene-siloxane skeleton-containing resin, (B) a compound capable of reacting with an epoxy group in the resin to form a crosslinked structure, (C) a curing catalyst, and (D) a parting agent.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: August 13, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoichiro Ichioka, Kazunori Kondo
  • Patent number: 10373903
    Abstract: A laminate is provided comprising a support, a resin layer, a metal layer, an insulating layer, and a redistribution layer. The resin layer comprises a photo-decomposable resin having light-shielding properties and has a transmittance of up to 20% with respect to light of wavelength 355 nm. The laminate is easy to fabricate and has thermal process resistance, the support is easily separated, and a semiconductor package is efficiently produced.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: August 6, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Yasuda, Michihiro Sugo, Hideto Kato, Kazunori Kondo
  • Publication number: 20190196331
    Abstract: A photosensitive resin composition comprising a dual end alicyclic epoxy-modified silicone resin having formula (A1) and a photoacid generator is provided. In formula (A1), R1 to R4 are a C1-C20 monovalent hydrocarbon group and n is an integer of 1-600. The composition enables pattern formation using radiation of widely varying wavelength, and the patterned film has high transparency, light resistance, and heat resistance.
    Type: Application
    Filed: December 26, 2018
    Publication date: June 27, 2019
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hitoshi Maruyama, Kazunori Kondo
  • Patent number: 10319653
    Abstract: A semiconductor apparatus includes a semiconductor device, on-semiconductor-device metal pad and metal interconnect each electrically connected to the semiconductor device, a through electrode and a solder bump each electrically connected to the metal interconnect, a first insulating layer on which the semiconductor device is placed, a second insulating layer formed on the semiconductor device, a third insulating layer formed on the second layer. The metal interconnect is electrically connected to the semiconductor device via the on-semiconductor-device metal pad at an upper surface of the second layer, penetrates the second layer from its upper surface, and is electrically connected to the through electrode at an lower surface of the second layer, and an under-semiconductor-device metal interconnect is between the first layer and the semiconductor device, and the under-semiconductor-device metal interconnect is electrically connected to the metal interconnect at the lower surface of the second layer.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: June 11, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsuya Takemura, Kyoko Soga, Satoshi Asai, Kazunori Kondo, Michihiro Sugo, Hideto Kato
  • Patent number: 10308787
    Abstract: The present invention provides a resin composition including: (A) a silicone resin containing a constitutional unit shown by the following composition formula (1) and having a weight average molecular weight of 3,000 to 500,000, (B) an epoxy resin-curing agent; and (C) a filler. This can provide a resin composition and a resin film that can mold a wafer in a lump, has good molding properties particularly to a thin-film wafer having a large diameter, gives low-warping properties, as well as good wafer protection performance, good adhesion properties, high reliability, and good heat resistance after molding, can perform a molding process favorably, and can be used for wafer level packaging favorably. The present invention also provides a method for producing the resin film, a semiconductor device molded with the resin film, and a method for producing the semiconductor device.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: June 4, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kazunori Kondo, Yoichiro Ichioka, Michihiro Sugo
  • Patent number: 10297485
    Abstract: A semiconductor device is provided comprising a support, an adhesive resin layer, an insulating layer, a redistribution layer, a chip layer, and a mold resin layer. The adhesive resin layer consists of a resin layer (A) comprising a photo-decomposable resin containing a fused ring in its main chain and a resin layer (B) comprising a non-silicone base thermoplastic resin and having a storage elastic modulus E? of 1-500 MPa at 25° C. and a tensile break strength of 5-50 MPa. The semiconductor device is easy to fabricate and has thermal process resistance, the support is easily separated, and a semiconductor package is efficiently produced.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: May 21, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiroyuki Yasuda, Michihiro Sugo, Hideto Kato, Kazunori Kondo
  • Publication number: 20190070836
    Abstract: The present invention is a resin composition including: (A) an epoxy resin; (B) an epoxy compound shown by the following formula (1) and/or formula (2); (C) a phenolic curing agent; and (D) a curing accelerator, wherein “A” represents a single bond or a divalent organic group selected from the following formulae. This provides a resin composition with improved strength and excellent adhesion and flexibility, a resin film with improved strength formed from the composition, a semiconductor laminate containing the cured material of the resin film and a method for manufacturing the same, as well as a semiconductor device into which the semiconductor laminate is diced and a method for manufacturing the same.
    Type: Application
    Filed: August 28, 2018
    Publication date: March 7, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoichiro ICHIOKA, Naoyuki KUSHIHARA, Kazuaki SUMITA, Kazunori KONDO
  • Publication number: 20190070837
    Abstract: The present invention is a resin composition including: (A) an epoxy resin; (B) an epoxy compound shown by the following formula (1) and/or formula (2); (C) an epoxy compound shown by the following formula (3); (D) a phenolic curing agent; and (E) a curing accelerator, wherein “A” represents a single bond or a divalent organic group selected from the following formulae. This provides a resin composition with improved strength, reduced warpage, and excellent adhesion, a resin film with improved strength formed from the composition, a semiconductor laminate containing the cured material of the resin film and a method for manufacturing the same, as well as a semiconductor device into which the semiconductor laminate is diced and a method for manufacturing the same.
    Type: Application
    Filed: August 28, 2018
    Publication date: March 7, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yoichiro ICHIOKA, Naoyuki KUSHIHARA, Kazunori KONDO, Kazuaki SUMITA
  • Publication number: 20190064666
    Abstract: A photosensitive resin composition comprising an isocyanurate-modified silicone resin containing an epoxy group in the molecule is easy to form a resin coating which has high transparency, light resistance and heat resistance, is amenable to micro-processing, and is useful in applications for protecting and encapsulating optical devices. The coating can be processed in thick film form to define a pattern having a fine size and perpendicularity, and becomes a cured coating which has improved adhesion to substrates, electronic parts, semiconductor devices, and supports for circuit boards, mechanical properties, electric insulation, and crack resistance, and is reliable as an insulating protective film.
    Type: Application
    Filed: August 28, 2018
    Publication date: February 28, 2019
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kumiko Hayashi, Hitoshi Maruyama, Kazunori Kondo, Hideto Kato
  • Publication number: 20190049843
    Abstract: A photosensitive resin composition comprising (A) a silicone resin comprising recurring units having formula (a1) and recurring units having formula (b1), (B) a filler, and (C) a photoacid generator is coated onto a substrate to form a photosensitive resin coating which can be processed into a fine pattern in thick film form, has improved film properties like crack resistance, and is reliable as protective film.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 14, 2019
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hitoshi Maruyama, Kazunori Kondo
  • Publication number: 20190049844
    Abstract: A photosensitive resin composition comprising a silicone structure-containing polymer having crosslinking groups or crosslinking reaction-susceptible reactive sites in the molecule is coated onto a substrate to form a photosensitive resin coating which has improved substrate adhesion, a pattern forming ability, crack resistance, heat resistance, and reliability as protective film.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 14, 2019
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hitoshi Maruyama, Kazunori Kondo