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    • 1. 发明专利
    • Method for manufacturing multi-layer printed wiring board
    • 制造多层印刷线路板的方法
    • JP2011103480A
    • 2011-05-26
    • JP2011002262
    • 2011-01-07
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • TAKANO MARETAKEUCHI KAZUMASAMASUDA KATSUYUKITANAKA MASASHIOBATA KAZUHITOOYAMA YUJIMATSUURA YOSHITSUGU
    • H05K3/46
    • B32B27/04B29K2105/0872H05K1/0366Y10T29/49124Y10T29/49126Y10T29/49128Y10T29/49155Y10T29/53883
    • PROBLEM TO BE SOLVED: To provide a prepreg for a printed wiring board and a metal foil clad laminate that are small in water absorption rate and dimensional change rate and that exhibit superior bending characteristics when the printed wiring board is molded, and to provide a method for manufacturing the multi-layer printed wiring board using the same. SOLUTION: The invention relates to the method for preparing the multilayer printed circuit board arranging the prepreg for the printed wiring board including a base material on a surface of the printed wiring board including the base material, further arranging a metal foil or the metal foil clad laminate including the base material on a surface of the prepreg for the printed wiring board, and heating and pressing them, at least one or more of printed wiring boards being larger in size than the prepreg for the multilayer printed wiring board, and the printed wiring board being characterized in that no crack is caused in the base material included in the printed wiring board even when it is bent by an angle of 90°. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于印刷线路板和覆盖金属箔的叠层板,其吸水率和尺寸变化率小,并且当印刷线路板被模制时表现出优异的弯曲特性,并且 提供一种使用其制造多层印刷线路板的方法。 解决方案:本发明涉及一种制备多层印刷电路板的方法,该多层印刷电路板在包括基材的印刷线路板的表面上布置包括基材的印刷线路板的预浸料,进一步布置金属箔或 在印刷电路板用预浸料坯的表面上具有基材的金属箔覆层压板,对其进行加热加压,至少一个以上的印刷电路板的尺寸大于多层印刷电路板的预浸料, 印刷电路板的特征在于,即使当其弯曲90°的角度时,也不会在包含在印刷线路板中的基材中产生裂纹。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Method for manufacturing multilayer printed wiring board
    • 制造多层印刷线路板的方法
    • JP2013012779A
    • 2013-01-17
    • JP2012220552
    • 2012-10-02
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • TAKANO MARETAKEUCHI KAZUMASAMASUDA KATSUYUKITANAKA MASASHIOBATA KAZUHITOOYAMA YUJIMATSUURA YOSHITSUGU
    • H05K3/46
    • B32B27/04B29K2105/0872H05K1/0366Y10T29/49124Y10T29/49126Y10T29/49128Y10T29/49155Y10T29/53883
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a multilayer printed wiring board using a prepreg for a printed wiring board in which the amount of a resin oozing from the prepreg to an inner layer board is small, in molding a multilayer printed wiring board having an inner layer board, such as a rigid-flexible board, protruding therefrom.SOLUTION: A method for manufacturing a multilayer printed wiring board includes the steps of: arranging a prepreg for a printed wiring board on a surface of the printed wiring board; and arranging a metal foil or a metal foil clad laminate on the surface of the prepreg for the printed wiring board, and heating and pressure molding the printed wiring board. At least one or more of the printed wiring boards are larger than the prepreg for the printed wiring board, and the amount of a resin oozing from the prepreg for the printed wiring board is 3 mm or less under heating and pressure molding conditions of 250°C or less and 10 MPa or less.
    • 要解决的问题:提供一种使用预浸料坯制备多层印刷线路板的方法,所述多层印刷线路板使用从预浸料坯向内层板渗出的树脂量小的印刷线路板的预浸料, 具有从其突出的诸如刚性柔性板的内层板的印刷线路板。 解决方案:一种制造多层印刷线路板的方法包括以下步骤:在印刷线路板的表面上布置用于印刷线路板的预浸料; 并且在印刷线路板的预浸料坯的表面上布置金属箔或覆盖金属箔的层叠体,并且对印刷线路板进行加热和加压成型。 至少一个或多个印刷线路板比印刷线路板的预浸料坯大,并且在加热和加压成型条件为250°时,从印刷线路板的预浸料坯渗出的树脂的量为3mm以下 ℃以下,10MPa以下。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Multilayer printed wiring board, method of manufacturing the same, prepreg, metal foil with resin, resin film, and metal foil-clad laminate
    • 多层印刷线路板,其制造方法,PREPREG,具有树脂的金属箔,树脂膜和金属箔层压板
    • JP2012054464A
    • 2012-03-15
    • JP2010196910
    • 2010-09-02
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • TAKANO MAREIIJIMA TOSHIYUKITANAKA MASASHIOBATA KAZUHITOTAKEUCHI KAZUMASA
    • H05K3/46C08J5/24
    • PROBLEM TO BE SOLVED: To provide a multilayer printed wiring board capable of suppressing rising of a resistance value of an interlayer connection even if a bending part is provided to a region containing a through hole.SOLUTION: The multilayer printed wiring board includes a circuit board which includes a first insulating layer 100 comprising a cured resin originating from a first thermosetting resin, and a metal foil with a thickness of 1-35 μm arranged on both surfaces of the first insulating layer; and which is formed with a through hole 20 mutually connecting the metal foils arranged on both surfaces of a circuit layer 26 comprising the metal foil and the first insulating layer 100. The multilayer printed wiring board also includes a second insulating layer 200 which is provided at least on one surface of the circuit board, and has a thickness of 80 μm or less, comprising a cured resin originating from a second thermosetting resin which is at least one kind selected from a glycidyl acrylate resin and a polyamide imide resin. A bending part is provided to a region where the circuit board and the second insulating layer 200 are stacked.
    • 解决的问题:即使在包含通孔的区域设置弯曲部,也能够提供能够抑制层间连接的电阻值上升的多层印刷电路板。 解决方案:多层印刷线路板包括电路板,该电路板包括第一绝缘层100,第一绝缘层100包括源自第一热固性树脂的固化树脂和布置在第二热固性树脂的两个表面上的厚度为1-35μm的金属箔 第一绝缘层; 并且其形成有相互连接布置在包括金属箔的电路层26的两个表面上的金属箔和第一绝缘层100的通孔20.多层印刷线路板还包括第二绝缘层200,其设置在 至少在电路板的一个表面上,并且具有80μm或更小的厚度,包括源自选自丙烯酸缩水甘油酯树脂和聚酰胺酰亚胺树脂中的至少一种的第二热固性树脂的固化树脂。 将弯曲部设置在层叠电路基板和第二绝缘层200的区域。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Metal foil with resin
    • 金属箔与树脂
    • JP2012025161A
    • 2012-02-09
    • JP2011170438
    • 2011-08-03
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • TAKANO MAREOBATA KAZUHITOMATSUURA YOSHITSUGUTANAKA MASASHI
    • B32B15/092B32B15/08C08G59/40C08J5/24H05K1/03
    • PROBLEM TO BE SOLVED: To provide a printed wiring board having sufficient adhesiveness between wiring and a substrate and sufficient heat resistance and to provide metal foil with a resin using a curable resin composition which can form a prepreg having sufficiently suppressed breakages or cracks.SOLUTION: The metal foil with the resin includes a resin film comprising the curable resin composition and the metal foil arranged on at least one surface of the resin film. The curable resin composition contains a component (a): an acrylic polymer having a monomer unit derived from glycidyl (meth)acrylate, a component (b): an epoxy resin, a component (c): a phenolic resin, a component (d): a curing promotor, and a component (e): one or more thiol compounds selected from the group comprising alkyl thiols, phenyl thiols and thiol-based coupling agents.
    • 要解决的问题:提供一种印刷线路板,其在布线和基板之间具有足够的粘合性并具有足够的耐热性,并且可以使用可以形成具有充分抑制断裂或裂纹的预浸料的可固化树脂组合物来提供金属箔的树脂 。 解决方案:具有树脂的金属箔包括包含可固化树脂组合物和布置在树脂膜的至少一个表面上的金属箔的树脂膜。 固化性树脂组合物含有成分(a):具有源自(甲基)丙烯酸缩水甘油酯的单体单元的丙烯酸类聚合物,成分(b):环氧树脂,(c)成分:酚醛树脂,成分(d ):固化促进剂和组分(e):一种或多种选自包括烷基硫醇,苯基硫醇和硫醇基偶联剂的硫醇化合物。 版权所有(C)2012,JPO&INPIT