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    • 4. 发明公开
    • 무전해 금도금 방법 및 전자 부품
    • 电镀金镀层方法和电子部件
    • KR1020080093366A
    • 2008-10-21
    • KR1020080032621
    • 2008-04-08
    • 우에무라 고교 가부시키가이샤
    • 구로사카,세이고오다,유키노리오카다,아키라오쿠보,아유미기소,마사유키
    • C23C18/42H05K3/18
    • H05K3/244C23C18/31C23C18/44H01L2924/0002H05K2203/072H01L2924/00
    • An electroless gold plating method and electronic parts are provided to simplify a process and to reduce processing costs by forming an electroless nickel plating thin film on plated surfaces of electronic parts and forming an electroless palladium plating thin film on the electroless nickel plating thin film. An electroless gold plating method of a plating thin film laminate comprises the steps of: forming an electroless nickel plating thin film whose thickness is 0.1 to 20mum on plated surfaces of electronic parts; forming an electroless palladium plating thin film whose thickness is 0.001~0.3mum on the electroless nickel plating thin film; and forming an electroless gold plating thin film whose thickness is 0.01~1.0mum on the electroless palladium plating thin film. A part of some of the electroless gold plating thin film are formed by a first electroless gold plating, using a first electroless gold plating bath containing an amine compound in which a water soluble gold compound, a complexing agent, formaldehyde and/or formaldehyde bisulfite adduct, and following formulas(1),(2) are characterized; (1) R1-NH-C2H4-NH-R2; (2) R3-(CH2-NH-C2H4-NH-CH2)n-R4. In the formulas, R1, R2, R3, and R4 displays -OH, -CH3, -CH2OH, -C2H4OH, -CH2N(CH3)2, -CH2NH(CH2OH), -CH2NH(C2H4OH), -C2H4NH(CH2OH), -C2H4NH(C2H4OH), -CH2N(CH2OH)2, -CH2N(C2H4OH)2, -C2H4N(CH2OH)2 or -C2H4N(C2H4OH)2.
    • 提供无电镀金方法和电子部件以简化工艺并通过在电子部件的电镀表面上形成化学镀镍薄膜并在化学镀镍薄膜上形成化学镀钯薄膜来降低加工成本。 电镀薄膜层叠体的无电镀金方法包括以下步骤:在电子部件的电镀表面上形成厚度为0.1-20μm的无电镀镍薄膜; 在化学镀镍薄膜上形成厚度为0.001〜0.3μm的无电解镀钯薄膜; 并在化学镀钯薄膜上形成厚度为0.01〜1.0μm的无电镀金薄膜。 一些无电镀金薄膜的一部分通过第一无电镀金形成,使用含有水溶性金化合物,络合剂,甲醛和/或甲醛亚硫酸氢盐加合物的胺化合物的第一无电镀金液 (1),(2)表示, (1)R1-NH-C2H4-NH-R2; (2)R3-(CH2-NH-C2H4-NH-CH2)n-R4。 式中,R 1,R 2,R 3和R 4表示-OH,-CH 3,-CH 2 OH,-C 2 H 4 OH,-CH 2 N(CH 3)2,-CH 2 NH(CH 2 OH),-CH 2 NH(C 2 H 4 OH) -C 2 H 4 NH(C 2 H 4 OH),-CH 2 N(CH 2 OH)2,-CH 2 N(C 2 H 4 OH)2,-C 2 H 4 N(CH 2 OH)2或-C 2 H 4 N(C 2 H 4 OH)
    • 5. 发明公开
    • 무전해 금 도금욕의 도금 능력 유지관리 방법
    • 用于维持电镀金色镀锌浴中的镀层能力的方法
    • KR1020080066570A
    • 2008-07-16
    • KR1020080002081
    • 2008-01-08
    • 우에무라 고교 가부시키가이샤
    • 기소,마사유키오다,유키노리구로사카,세이고가미타마리,도오루사이조,요시카즈다나베,가츠히사
    • C23C18/42
    • A method for stably maintaining and managing the plating capacity of an electroless gold plating bath for a long time is provided to obtain gold plating film with good external appearance without causing flaws in the external appearance according to the progress of intergranular corrosion on a nickel surface, and a method for maintaining and managing, stably for a long time, an electroless gold plating bath in which gold cyanide salt has been consumed by plating treatment is provided. As a method for maintaining and managing the plating capacity of the electroless gold plating bath in a state that an electroless gold plating bath is maintained at a temperature of 70 to 90 deg.C, the electroless gold plating bath containing gold cyanide salt, complexing agent, formaldehyde-sodium bisulfite adduct, and amine compound represented by a formula 1, R1-NH-C2H4-NH-R2, or formula 2, R3-(CH2-NH-C2H4-NH-CH2)n-R4, where R1, R2, R3 and R4 denote -OH, -CH3, -CH2OH, -C2H4OH, -CH2N(CH3)2, -CH2NH(CH2OH), -CH2NH(C2H4OH), -C2H4NH(CH2OH), -C2H4NH(C2H4OH), -CH2N(CH2OH)2, -CH2N(C2H4OH)2, -C2H4N(CH2OH)2, or -C2H4N(C2H4OH)2, the R1, R2, R3 and R4 being the same as or different from each other, and n is an integer of 1 to 4, the method for maintaining and managing the plating capacity of the electroless gold plating bath comprises regularly supplying alkali cyanide, formaldehyde-sodium bisulfite adduct, and an amine compound as first supply components.
    • 提供一种用于长时间稳定地维持和管理化学镀金液的电镀能力的方法,以获得具有良好外观的镀金膜,而不会在镍表面上根据晶间腐蚀的进行而引起外观缺陷, 以及长时间稳定地维持和控制通过电镀处理消耗氰化金属盐的无电镀金液的方法。 作为在无电镀金浴保持在70〜90℃的温度下维持和控制无电解镀金液的电镀能力的方法,含有氰化氰盐,络合剂 ,甲醛 - 亚硫酸氢钠加合物和由式1表示的胺化合物,R1-NH-C2H4-NH-R2或式2,R3-(CH2-NH-C2H4-NH-CH2)n-R4,其中R1, R2,R3和R4表示-OH,-CH3,-CH2OH,-C2H4OH,-CH2N(CH3)2,-CH2NH(CH2OH),-CH2NH(C2H4OH),-C2H4NH(CH2OH),-C2H4NH(C2H4OH) CH2N(CH2OH)2,-CH2N(C2H4OH)2,-C2H4N(CH2OH)2或-C2H4N(C2H4OH)2,R1,R2,R3和R4彼此相同或不同,n为 1〜4的整数,用于维持和管理化学镀镀液的电镀能力的方法包括定期供应碱金属氰化物,甲醛 - 亚硫酸氢钠加合物和胺化合物作为第一供应成分。
    • 7. 发明公开
    • 무전해 팔라듐 도금욕 및 무전해 팔라듐 도금 방법
    • 电镀聚氯乙烯镀层和电镀钯镀层方法
    • KR1020080055888A
    • 2008-06-19
    • KR1020087008317
    • 2006-09-22
    • 우에무라 고교 가부시키가이샤
    • 무라스미,아키히코구로사카,세이고이나가와,히로무오다,유키노리
    • C23C18/42
    • C23C18/44C23C18/1651C23C18/54H01L24/43H01L24/745H01L2224/45664
    • Disclosed is an electroless palladium plating bath containing a palladium compound, at least one complexing agent selected from ammonia and amine compounds, at least one reducing agent selected from phosphinic acid and phosphinates, and at least one unsaturated carboxylic acid compound selected from unsaturated carboxylic acids, unsaturated carboxylic acid anhydrides, unsaturated carboxylates and unsaturated carboxylic acid derivatives. Such an electroless palladium plating bath has high bath stability, and decomposition of the bath hardly occurs. Consequently, the electroless palladium plating bath of the present invention has a longer bath life than conventional electroless palladium plating baths. In addition, this electroless palladium plating bath enables to obtain excellent solder bonding characteristics and wire bonding characteristics since it does not affect plating film characteristics even when it is used for a long time.
    • 公开了含有钯化合物,至少一种选自氨和胺化合物的络合剂,至少一种选自次膦酸和次膦酸盐的还原剂和至少一种选自不饱和羧酸的不饱和羧酸化合物的化学镀钯浴, 不饱和羧酸酐,不饱和羧酸酯和不饱和羧酸衍生物。 这种无电镀钯浴具有高的浴稳定性,并且几乎不发生浴的分解。 因此,本发明的无电镀钯浴比常规化学镀钯浴具有更长的浴寿命。 此外,该无电镀钯浴能够获得优异的焊接特性和引线接合特性,因为即使长时间使用也不影响电镀膜特性。
    • 8. 发明公开
    • 무전해 금도금욕, 무전해 금도금 방법 및 전자 부품
    • 电镀金镀层浴,电镀金镀层方法和电子部件
    • KR1020080052479A
    • 2008-06-11
    • KR1020070126329
    • 2007-12-06
    • 우에무라 고교 가부시키가이샤
    • 기소,마사유키오다,유키노리구로사카,세이고가미타마리,도오루사이조,요시카즈다나베,가츠히사
    • C23C18/16C23C18/42C23C18/54
    • C23C18/44C23C18/54
    • An electroless gold plating bath that can obtain a gold plated coating with a good external appearance without causing flaws in external appearance due to the progress of intergranular corrosion in a nickel surface is provided, an electroless gold plating method using the electroless gold plating bath is provided, and electronic parts subjected to electroless gold plating by the method are provided. An electroless gold plating bath comprises a water-soluble gold compound, a complex agent, a formaldehyde metabisulfite adduct, and an amine compound represented by the general formula (1) of R1-NH-C2H4-NH-R2 or the general formula (2) of R3-(CH2-NH-C2H4-NH-CH2)n-R4, where R1, R2, R3 and R4 represent -OH, -CH3, -CH2OH, -C2H4OH, -CH2N(CH3)2, -CH2NH(CH2OH), -CH2NH(C2H4OH), -C2H4NH(CH2OH), -C2H4NH(C2H4OH), -CH2N(CH2OH)2, -CH2N(C2H4OH)2, -C2H4N(CH2OH)2 or -C2H4N(C2H4OH)2 and may be identical to one another or different from one another, and n is an integer of 1 to 4. The formaldehyde metabisulfite adduct and the amine compound have a content molar ratio such that formaldehyde metabisulfite adduct:amine compound=1:30 to 3:1. The water-soluble gold compound is a gold cyanide salt.
    • 提供一种无电金镀液,其可以获得外观良好的镀金镀层,而不会由于镍表面的晶间腐蚀的进行而导致外观缺陷,提供使用无电镀金液的无电镀金方法 并且提供了通过该方法进行无电镀金的电子部件。 化学镀金浴包含水溶性金化合物,配合剂,偏亚硫酸氢甲酯加成物和由通式(1)表示的R1-NH-C2H4-NH-R2或通式(2)表示的胺化合物 )R 3 - (CH 2 -NH-C 2 H 4 -NH-CH 2)n -R 4,其中R 1,R 2,R 3和R 4表示-OH,-CH 3,-CH 2 OH,-C 2 H 4 OH,-CH 2 N(CH 3)2,-CH 2 NH CH 2 OH),-CH 2 NH(C 2 H 4 OH),-C 2 H 4 NH(CH 2 OH),-C 2 H 4 NH(C 2 H 4 OH),-CH 2 N(CH 2 OH)2,-CH 2 N(C 2 H 4 OH)2,-C 2 H 4 N(CH 2 OH)2或-C 2 H 4 N(C 2 H 4 OH) 彼此相同或不同,n为1〜4的整数。偏亚硫酸氢甲酯加成物和胺化合物的含量摩尔比使得偏亚硫酸氢盐加成物:胺化合物= 1:30〜3:1 。 水溶性金化合物是金氰化物盐。