Patents by Inventor Noriyuki Kirikae
Noriyuki Kirikae 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).
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Patent number: 11230649Abstract: The electrically conductive adhesive film comprises a metal particle (Q), a resin (M), and at least one of a prescribed organic phosphine (A) and a prescribed sulfide-based compound (B), the resin (M) comprises a thermosetting resin (M1), and has a storage elastic modulus at 1 Hz measured in a state after sintering of 20 GPa or less and a thermal weight loss ratio when heated for 2 hours at 250° C. under a nitrogen atmosphere of less than 1%.Type: GrantFiled: August 7, 2018Date of Patent: January 25, 2022Assignee: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 11193047Abstract: The electrically conductive adhesive film comprises a metal particle (Q), a resin (M), and a prescribed organophosphorus compound (A), the resin (M) comprises a thermosetting resin (M1), and the metal particle (Q) has an average particle size (d50) of 20 ?m or less and comprise 10% by mass or more of a first metal particle (Q1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: GrantFiled: August 7, 2018Date of Patent: December 7, 2021Assignee: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 11139261Abstract: Provided are a film-like adhesive that can prevent the back surface of a semiconductor chip, the front surface of a substrate, or the front surface of a heat sink from being partially fractured by a filler; and a method for producing a semiconductor package using the film-like adhesive. The film-like adhesive includes an epoxy resin (A), an epoxy resin curing agent (B), a phenoxy resin (C), and a heat-conductive filler material (D), in which the heat-conductive filler (D) has an average particle size of 0.1 to 10.0 ?m, a compression ratio at break in a microcompression test of 5 to 50% of the average particle size of the sample, a fracture strength in a microcompression test of 0.01 to 2.0 GPa, and a thermal conductivity of 30 W/m·K or higher, the content of component (D) is 10 to 70 vol % with respect to the total amount of the components (A) to (D), and the thermal conductivity after thermal curing is 1.0 W/m·K or higher.Type: GrantFiled: February 5, 2019Date of Patent: October 5, 2021Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Minoru Morita, Noriyuki Kirikae
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Patent number: 11136479Abstract: The electrically conductive adhesive film comprises a metal particle (P), a resin (M) and a prescribed sulfide compound (A), the resin (M) comprises a thermosetting resin (M1), and the metal particle (P) has an average particle size (d50) of 20 ?m or less and comprises 10% by mass or more of a first metal particle (P1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: GrantFiled: August 7, 2018Date of Patent: October 5, 2021Assignee: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 11098226Abstract: The electrically conductive adhesive film comprises a metal particle (P), a resin (M) and a prescribed sulfide compound (A), the resin (M) comprises a thermosetting resin (M1), and the metal particle (P) has an average particle size (d50) of 20 ?m or less and comprises 10% by mass or more of a first metal particle (P1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: GrantFiled: August 7, 2018Date of Patent: August 24, 2021Assignee: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 11066577Abstract: The electrically conductive adhesive film comprises a metal particle (P) and a resin (M), the resin (M) comprises a thermosetting resin (M1), and the metal particle (P) has an average particle size (d50) of 20 ?m or less and comprises 10% by mass or more of a first metal particle (P1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: GrantFiled: August 7, 2018Date of Patent: July 20, 2021Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 10689550Abstract: A composition exhibits excellent heat resistance and mounting reliability when bonding a semiconductor power element to a metal lead frame, which is also free of lead and thereby places little burden on the environment. An electrically conductive composition contains at least a sulfide compound represented by R—S—R? (wherein R is an organic group containing at least carbon; R? is an organic group that is the same as or different from R; and R and R? may be bonded to each other to form a so-called cyclic sulfide) and metal particles containing at least Cu, Sn or Ni as its essential component. Further, a conductive paste and a conductive bonding film each are produced using the electrically conductive composition. A dicing die bonding film is obtained by bonding the conductive bonding film with an adhesive tape.Type: GrantFiled: August 21, 2017Date of Patent: June 23, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 10563096Abstract: A conductive adhesive that does not contain toxic substances such as solder (lead) and shows excellent adhesiveness. Specifically, it is a conductive adhesive composition, which includes: (A) a thermosetting resin; (C) a filler that contains a metal element; and (D) at least one catalyst or curing agent, wherein the reaction initiation temperature for the (A) thermosetting resin and the (D) at least one catalyst or curing agent is 180° C. or higher. More preferably, the reaction initiation temperature is 200° C. or higher. More preferably, it is a conductive adhesive composition that further includes (B) a flux and (E) a polymer component.Type: GrantFiled: February 9, 2017Date of Patent: February 18, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masami Aoyama, Noriyuki Kirikae
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Publication number: 20190181113Abstract: Provided are a film-like adhesive that can prevent the back surface of a semiconductor chip, the front surface of a substrate, or the front surface of a heat sink from being partially fractured by a filler; and a method for producing a semiconductor package using the film-like adhesive. The film-like adhesive includes an epoxy resin (A), an epoxy resin curing agent (B), a phenoxy resin (C), and a heat-conductive filler material (D), in which the heat-conductive filler (D) has an average particle size of 0.1 to 10.0 ?m, a compression ratio at break in a microcompression test of 5 to 50% of the average particle size of the sample, a fracture strength in a microcompression test of 0.01 to 2.0 GPa, and a thermal conductivity of 30 W/m·K or higher, the content of component (D) is 10 to 70 vol % with respect to the total amount of the components (A) to (D), and the thermal conductivity after thermal curing is 1.0 W/m·K or higher.Type: ApplicationFiled: February 5, 2019Publication date: June 13, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Minoru MORITA, Noriyuki KIRIKAE
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Publication number: 20190016928Abstract: The electrically conductive adhesive film comprises a metal particle (P), a resin (M) and a prescribed sulfide compound (A), the resin (M) comprises a thermosetting resin (M1), and the metal particle (P) has an average particle size (d50) of 20 ?m or less and comprises 10% by mass or more of a first metal particle (P1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: ApplicationFiled: August 7, 2018Publication date: January 17, 2019Applicant: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Publication number: 20190016929Abstract: The electrically conductive adhesive film comprises a metal particle (Q), a resin (M), and a prescribed organophosphorus compound (A), the resin (M) comprises a thermosetting resin (M1), and the metal particle (Q) has an average particle size (d50) of 20 ?m or less and comprise 10% by mass or more of a first metal particle (Q1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: ApplicationFiled: August 7, 2018Publication date: January 17, 2019Applicant: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Publication number: 20180346767Abstract: The electrically conductive adhesive film comprises a metal particle (Q), a resin (M), and at least one of a prescribed organic phosphine (A) and a prescribed sulfide-based compound (B), the resin (M) comprises a thermosetting resin (M1), and has a storage elastic modulus at 1 Hz measured in a state after sintering of 20 GPa or less and a thermal weight loss ratio when heated for 2 hours at 250° C. under a nitrogen atmosphere of less than 1%.Type: ApplicationFiled: August 7, 2018Publication date: December 6, 2018Applicant: Furukawa Electric Co., Ltd.Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Publication number: 20180346766Abstract: The electrically conductive adhesive film comprises a metal particle (P) and a resin (M), the resin (M) comprises a thermosetting resin (M1), and the metal particle (P) has an average particle size (d50) of 20 m or less and comprises 10% by mass or more of a first metal particle (P1) having a fractal dimension of 1.1 or more when viewed in a projection drawing in a primary particle state.Type: ApplicationFiled: August 7, 2018Publication date: December 6, 2018Applicant: Furukawa Electric Co., Ltd,Inventors: Naoaki Mihara, Noriyuki Kirikae, Jirou Sugiyama
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Patent number: 10115707Abstract: An adhesive film that can solve the problem of pickup defect and improve the yield rate of semiconductor packages. The adhesive film includes: (A) a bismaleimide resin; (B) a radical initiator; and (C) a coupling agent that contains a (meth)acrylic group. Further, an adhesive film with dicing tape, which includes such an adhesive film laminated onto a dicing tape, is provided. Furthermore, a semiconductor package that includes such an adhesive film with dicing tape is provided.Type: GrantFiled: February 9, 2017Date of Patent: October 30, 2018Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Noriyuki Kirikae, Masami Aoyama
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Publication number: 20180294242Abstract: A means that exhibits excellent heat resistance and mounting reliability when bonding a power semiconductor device on to a metal lead frame, which is also lead-free and places little burden on the environment. Specifically, an electrically conductive adhesive film, which includes metal particles, a thermosetting resin, and a compound having Lewis acidity or a thermal acid generator, wherein the compound having Lewis acidity or thermal acid generator is selected from: boron fluoride or a complex thereof, a protonic acid with a pKa value of ?0.4 or lower, or a salt or acid obtained by combining an anion that is the same as the salt thereof with hydrogen ion or any other cation. Further, a dicing die bonding film that is obtained by bonding the electrically conductive adhesive film with a pressure-sensitive adhesive tape.Type: ApplicationFiled: May 25, 2018Publication date: October 11, 2018Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki MIHARA, Noriyuki KIRIKAE, Jirou SUGIYAMA
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Publication number: 20180026003Abstract: A means that exhibits excellent heat resistance and mounting reliability when bonding a power semiconductor device on to a metal lead frame, which is also lead-free and places little burden on the environment. Specifically, provided is an electrically conductive adhesive film, which includes metal particles, a thermosetting resin, and a compound having Lewis acidity or a thermal acid generator, wherein the compound having Lewis acidity or thermal acid generator is selected from: boron fluoride or a complex thereof, a protonic acid with a pKa value of ?0.4 or lower, or a salt or acid obtained by combining an anion that is the same as the salt thereof with hydrogen ion or any other cation. Further, the present invention provides a dicing die bonding film that is obtained by bonding the electrically conductive adhesive film with a pressure-sensitive adhesive tape.Type: ApplicationFiled: April 12, 2016Publication date: January 25, 2018Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki MIHARA, Noriyuki KIRIKAE, Jirou SUGIYAMA
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Publication number: 20170369746Abstract: A composition exhibits excellent heat resistance and mounting reliability when bonding a semiconductor power element to a metal lead frame, which is also free of lead and thereby places little burden on the environment. An electrically conductive composition contains at least a sulfide compound represented by R—S—R? (wherein R is an organic group containing at least carbon; R? is an organic group that is the same as or different from R; and R and R? may be bonded to each other to form a so-called cyclic sulfide) and metal particles containing at least Cu, Sn or Ni as its essential component. Further, a conductive paste and a conductive bonding film each are produced using the electrically conductive composition. A dicing die bonding film is obtained by bonding the conductive bonding film with an adhesive tape.Type: ApplicationFiled: August 21, 2017Publication date: December 28, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Naoaki MIHARA, Noriyuki KIRIKAE, Jirou SUGIYAMA
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Publication number: 20170152418Abstract: A maleimide film that utilizes maleimide resin, which shows high heat history resistance and is highly reliable, and an adhesive film with dicing tape including the maleimide film laminated on to a dicing tape. Specifically, it is a maleimide adhesive film, which includes a maleimide resin and a radical initiator with a one-hour half-life temperature of 140° C. or higher. Preferably, it is a maleimide adhesive film, wherein the maleimide resin is of a specific structure. Further, an adhesive film with dicing tape, which included such a maleimide adhesive film laminated on to a dicing tape, is provided.Type: ApplicationFiled: February 9, 2017Publication date: June 1, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masami AOYAMA, Noriyuki KIRIKAE
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Publication number: 20170152410Abstract: A conductive adhesive that does not contain toxic substances such as solder (lead) and shows excellent adhesiveness. Specifically, it is a conductive adhesive composition, which includes: (A) a thermosetting resin; (C) a filler that contains a metal element; and (D) at least one catalyst or curing agent, wherein the reaction initiation temperature for the (A) thermosetting resin and the (D) at least one catalyst or curing agent is 180° C. or higher. More preferably, the reaction initiation temperature is 200° C. or higher. More preferably, it is a conductive adhesive composition that further includes (B) a flux and (E) a polymer component.Type: ApplicationFiled: February 9, 2017Publication date: June 1, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masami AOYAMA, Noriyuki KIRIKAE
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Publication number: 20170152408Abstract: An adhesive film that can solve the problem of pickup defect and improve the yield rate of semiconductor packages. The adhesive film includes: (A) a bismaleimide resin; (B) a radical initiator; and (C) a coupling agent that contains a (meth)acrylic group. Further, an adhesive film with dicing tape, which includes such an adhesive film laminated onto a dicing tape, is provided. Furthermore, a semiconductor package that includes such an adhesive film with dicing tape is provided.Type: ApplicationFiled: February 9, 2017Publication date: June 1, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Noriyuki KIRIKAE, Masami AOYAMA