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    • 104. 发明授权
    • Printed wiring board
    • 印刷电路板
    • US07800917B2
    • 2010-09-21
    • US11491604
    • 2006-07-24
    • Hiroshi ShimadaShigeru MichiwakiKazuo Shishime
    • Hiroshi ShimadaShigeru MichiwakiKazuo Shishime
    • H05K1/11H05K1/14
    • H05K3/4661H05K3/387H05K2201/0209H05K2201/0212H05K2201/09518H05K2203/0773H05K2203/0789H05K2203/0796H05K2203/1152
    • A printed wiring board has a first wiring layer formed at least on one surface of an insulative substrate, an insulating layer formed as covering the first wiring layer, and a second wiring layer formed on the insulating layer. The insulating layer is formed of a cured insulative sheet made of a high-stiff sheet-type reinforcing material containing resin. The first and second wiring layers are electrically connected to each other through at least one hole having a bottom. The second wiring layer is united with the insulating layer at an interface thereof with a conductive material of the second wiring layer injected into concave sections provided on the interface. Another printed wiring board has an insulative substrate having a first surface and a second surface, a first insulating layer and a second insulating layer formed on the first surface and the second surface, respectively, and a first wiring layer formed on the first insulating layer and a second wiring layer formed on the second insulating layer. The first and second wiring layers are electrically connected to each other via at least one through hole. The first wiring layer is united with the first insulating layer at an interface thereof with a conductive material of the first wiring layer injected into concave sections provided on the interface. The second wiring layer is united with the second insulating layer at an interface thereof with a conductive material of the first wiring layer injected into concave sections provided on the interface.
    • 印刷布线板具有形成在绝缘基板的至少一个表面上的第一布线层,形成为覆盖第一布线层的绝缘层和形成在绝缘层上的第二布线层。 绝缘层由包含树脂的高刚性片状增强材料制成的固化绝缘片形成。 第一和第二布线层通过具有底部的至少一个孔彼此电连接。 第二布线层与绝缘层在其界面处与注入到设置在界面上的凹部中的第二布线层的导电材料相结合。 另一种印刷电路板具有分别具有第一表面和第二表面的绝缘基板,分别形成在第一表面和第二表面上的第一绝缘层和第二绝缘层,以及形成在第一绝缘层上的第一布线层和 形成在第二绝缘层上的第二布线层。 第一和第二布线层经由至少一个通孔彼此电连接。 第一布线层与第一绝缘层在其界面处与注入到设置在界面上的凹部中的第一布线层的导电材料结合。 第二布线层与第二绝缘层的界面处与第一布线层的导电材料的界面结合,注入到设置在界面上的凹部中。
    • 106. 发明申请
    • METHOD FOR CLEANING SURFACE OF RESIN LAYER
    • 清洁树脂层表面的方法
    • US20070131243A1
    • 2007-06-14
    • US11567540
    • 2006-12-06
    • Yoji AsahiYuji Yukiiri
    • Yoji AsahiYuji Yukiiri
    • B08B3/12
    • B08B3/12H05K3/381H05K3/4661H05K2201/0209H05K2203/0285H05K2203/0773H05K2203/0786
    • A method for cleaning a surface of a resin layer capable of sufficiently improving peel strength of a metal film formed by plating on a surface which is roughened by performing a desmear treatment on a resin layer containing a resin added with a large amount of filler is provided. The method is characterized in that, when a surface of a resin layer on which a metal film is formed by plating is roughened by a desmear treatment and, then, the thus-roughened surface of the resin layer is cleaned, the surface of the resin layer formed with a resin compounded with a filler in an amount of 20 wt % or more such that a difference of a coefficient of thermal expansion between the resin layer and the metal film is allowed to be reduced is roughened by subjecting it to the desmear treatment and, secondly, the filler which is deposited on the thus-roughened surface of the resin layer is removed by ultrasonic cleaning in which ultrasonic vibration of a frequency of from 35 to 50 kHz is applied.
    • 提供一种清洗树脂层的表面的方法,该树脂层的表面能够通过在含有添加有大量填料的树脂的树脂层上进行去污处理而将通过电镀形成的金属膜的剥离强度充分提高到粗糙化的表面上 。 该方法的特征在于,当通过电镀将其上形成金属膜的树脂层的表面通过去污处理进行粗糙化,然后清洁树脂层的这样粗糙化的表面时,树脂的表面 由树脂层和金属膜之间的热膨胀系数的差减少20重量%以上的与填料混合的树脂形成的层进行粗糙化处理 其次,通过施加频率为35〜50kHz的超声波振动的超声波清洗除去沉积在树脂层的粗糙化表面上的填料。
    • 108. 发明申请
    • Process for producing porous polyimide resin and porous polymide resin
    • 多孔聚酰亚胺树脂和多孔聚酰胺树脂的制造方法
    • US20040101626A1
    • 2004-05-27
    • US10380178
    • 2003-03-13
    • Mitsuhiro KanadaTakahiro FukuokaNaotaka Kinjou
    • B05D003/02
    • C08J9/26C08J2201/0502C08J2379/08H05K1/024H05K1/0346H05K2201/0116H05K2201/0154H05K2201/0355H05K2203/0156H05K2203/0759H05K2203/0773
    • A method of producing porous polyimide resin that enables pores to be formed in a precursor of polyimide resin, with its form of microphase-separated structure wherein a dispersive compound is dispersed in the precursor of polyimide resin being kept unchanged, so as to provide significantly reduced dielectric constant and also provide improvement in mechanical strength and heat resistance, and the porous polyimide resin produced in the same producing method. A coating comprising porous polyimide resin is formed by applying resin solution comprising a precursor of polyimide resin and a dispersive compound and then drying a solvent, to form a coating in which the dispersive compound is dispersed in the precursor of polyimide resin; extracting the dispersive compound from the coating for removal to make the precursor of the polyimide resin porous; and imidizing the coating after preheated in a temperature range of 190-250null C.
    • 在聚酰亚胺树脂的前体中形成多孔聚酰亚胺树脂的方法,其形成微相分离结构,其中分散化合物分散在聚酰亚胺树脂的前体中保持不变,从而显着降低 介电常数并且还提供机械强度和耐热性的改善,以及以相同的制造方法制造的多孔聚酰亚胺树脂。 包含多孔聚酰亚胺树脂的涂层是通过涂布包括聚酰亚胺树脂前体和分散化合物的树脂溶液形成的,然后干燥溶剂,形成其中分散化合物分散在聚酰亚胺树脂的前体中的涂层; 从涂层中提取分散化合物以除去以使聚酰亚胺树脂的前体多孔; 并在190-250℃的温度范围内预热后对涂层进行酰亚胺化
    • 110. 发明授权
    • Composition of epoxy resins and curing agent capable of being coarsened
    • 环氧树脂和能够粗化的固化剂的组成
    • US06518331B2
    • 2003-02-11
    • US09729211
    • 2000-12-05
    • Akio SekimotoShinichi Yamada
    • Akio SekimotoShinichi Yamada
    • B32B3126
    • H05K3/4661C08G59/226C08G59/38C08L9/00C08L17/00C08L63/00H05K2201/0133H05K2201/0209H05K2201/0212H05K2203/0773H05K2203/0783H05K2203/0793H05K2203/0796Y10S428/901Y10T156/1056C08L2666/08
    • A multilayer printed circuit board having resinous insulating layers and conductor layers alternately superposed on a circuit board with ample adhesive strength, a method for the production thereof, and a curable resin composition useful for the formation of resinous insulating layers are disclosed. The manufacture of the multilayer printed circuit board is accomplished by applying the curable resin composition to the surface of conductor layer of the circuit board, thermally curing the applied layer thereby forming resinous insulating layer, then boring a through-hole in the circuit board, treating the resinous insulating layer with a coarsening agent thereby imparting undulating coarsened surface thereto, subsequently coating the surface of resinous insulating layer and the inner surface of the through-hole with a conductor layer as by electroless plating, and thereafter forming a prescribed circuit pattern in the conductor layer. The curable resin composition comprises (A) epoxy resins and (B) an epoxy resin curing agent as essential components thereof and optionally contains a rubber component and a filler capable of being decomposed or dissolved by a coarsening agent. This composition contains in combination a bisphenol A type epoxy resin having an epoxy equivalent of not less than 400 and an epoxy resin having an epoxy equivalent of less then 400.
    • 公开了一种多层印刷电路板,其具有树脂绝缘层和导体层,交替地重叠在电路板上,具有足够的粘合强度,其制备方法和用于形成树脂绝缘层的固化树脂组合物。 多层印刷电路板的制造通过将可固化树脂组合物施加到电路板的导体层的表面上,热固化所施加的层,从而形成树脂绝缘层,然后在电路板中钻孔,处理 具有粗化剂的树脂绝缘层由此赋予波浪粗化表面,随后通过化学镀将导体层涂覆树脂绝缘层的表面和通孔的内表面,然后在其中形成规定的电路图案 导体层。 可固化树脂组合物包含(A)环氧树脂和(B)环氧树脂固化剂作为其主要组分,并且任选地包含能够被粗化剂分解或溶解的橡胶组分和填料。 该组合物组合含有环氧当量不小于400的双酚A型环氧树脂和环氧当量小于400的环氧树脂。