TWI313687B - Resin base material, electronic part base material having electroless plating applied thereon, and manufacturing method of the electronic part base material - Google Patents

Resin base material, electronic part base material having electroless plating applied thereon, and manufacturing method of the electronic part base material Download PDF

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TWI313687B
TWI313687B TW95107526A TW95107526A TWI313687B TW I313687 B TWI313687 B TW I313687B TW 95107526 A TW95107526 A TW 95107526A TW 95107526 A TW95107526 A TW 95107526A TW I313687 B TWI313687 B TW I313687B
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resin
substrate
electronic component
solution
base material
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TW95107526A
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TW200640938A (en
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Toshifumi Kawamura
Toru Imori
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2053Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment only one step pretreatment
    • C23C18/2066Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601Process or apparatus
    • C23C18/1633Process of electroless plating
    • C23C18/1635Composition of the substrate
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/20Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28Sensitising or activating
    • C23C18/30Activating or accelerating or sensitising with palladium or other noble metal
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31Coating with metals
    • C23C18/38Coating with copper
    • C23C18/40Coating with copper using reducing agents
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/38Improvement of the adhesion between the insulating substrate and the metal
    • H05K3/389Improvement of the adhesion between the insulating substrate and the metal by the use of a coupling agent, e.g. silane
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/10Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H05K3/181Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4644Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4661Adding a circuit layer by direct wet plating, e.g. electroless plating; insulating materials adapted therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31511Of epoxy ether
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31511Of epoxy ether
    • Y10T428/31515As intermediate layer
    • Y10T428/31522Next to metal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31511Of epoxy ether
    • Y10T428/31529Next to metal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31652Of asbestos
    • Y10T428/31663As siloxane, silicone or silane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T428/31721Of polyimide

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  • Chemical Kinetics & Catalysis (AREA)
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  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
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  • Laminated Bodies (AREA)

Description

1313687 九、發明說明: 【發明所屬之技術領域】 ^本發明為關於一種特別適於作為電子零件基材的樹 脂基材。再更詳細言之,即關於一種樹脂基材,適於作為 與樹脂層密接性佳而可形成無電解鍍覆層之電子零件基’、’、 材。 土 【先前技術】 近年來印刷基板由於機器之小型化、高性能化之要 求’其配線之密度更為增A。相對地,基板由於配線之微 細化,其表面係低輪廓化,由於此種表面之低粗糙化傾向, 造成基板與基板上所形成之金屬鍍覆膜之間不易得到充分 之选接性。為了要滿足前述之要求,仍要求提高此密接強 度。 為了因應此種要求,已提出各種提案。其中,在專利 文獻1及2中,係在聚醯亞胺樹脂基材上塗布·乾燥含鈀 化口物之I醯亞胺樹脂前驅物溶液,形成聚醯亞胺樹脂前 驅物層接著於氫氣源物體存在下,照射紫外線形成鍍覆 基底核之後,經由無電解鍍覆處理,形成鍍覆基底金屬層, 再於表面形成鍍覆層後或在其形成前,加熱前述聚酿亞胺 樹脂前驅物層使其醯亞胺化,形成醯亞胺樹脂層。此乃由 於在聚醯亞胺樹脂層内形成鍍覆基底核,藉由此之固著 (Anchor)效果,可提高聚醯亞胺樹脂層與鍍覆基底金屬層 之密接強度。 專利文獻1:曰本特開2002-30216號公報 317975 5 Ί313687 專利文獻2··日本特開2002_374〇55號公 【發明内容】 (發明要解決之課題) 但前述提案是限定基板材料為聚醯亞胺樹脂,並不適 合用於-般電子零件用之基板。同時,為了活化把需要紫 外線處理,更為了醯亞胺化需要高溫加熱等,其處理 非常煩雜。 本發明中提供一種技術,適用於一般基板材料之樹脂 基材,可更容易地提高其基材與鍍覆金屬層之密接強度。 即,本發明之目的在提供一種可適於作為電子零件基=之 一般性樹脂基材,可提高其與鍍覆金屬層之密接強度。 (解決課題之手段) & 本發明人等經銳意檢討之結果發現,使用含有益電解 鍍覆催化劑之貴金屬化合物及可簡捕捉該貴金屬化合物 之咪唑矽烷之溶液,以此溶液處理樹脂基材之表面使具有 m f·生’則為有效果的,而完成本發明。亦即,本發明為 關於 _ π]—種樹脂基材,其係使用含咪唑矽烷與貴金屬化合 物之溶液,由該溶液處理表面成具有膨潤性而成。 [2] 如前述[1]之樹脂基材,其中,樹脂基材為環氧 脂。 [3] 如前述[1]或[2]之樹脂基材,其中,貴金屬化合物 為名G化合物。 [4] -種電子零件基材,其為在如前述⑴之樹脂基材 6 317975 :1313687 -實施無電解鍍覆者。 [5] 如前述[4]之電子零件基材,其中, 氧樹脂。 树月曰基材為環 [6] 如前述[4]或[5]之電子零件基材,其中,電子 基材為積層式積板(build_up substrate)。 切m子基材之製造方法’其係包含使用含味 广、貝H物之溶液,在以該溶液處理使具膨潤 ,之面而成的樹職材上,再進行無電解鑛覆之步驟。 除 m如前述[7]之電子零件基材之製造方法, 脂基材為環氧樹脂。 [9]如前述[7]或歐電子零件基材之製造方法, 之電子零件基材為積層式積板。 (發明之效果) 本發=月中之樹脂基材係以含味唾石夕燒與貴金屬化合 理表面時,藉由該溶液為了使其表面膨潤,因 f此使貝金屬催化劑由表面潛入而存在内部之樹脂層中。因 此,該樹脂基材經由無電解鍍覆,金屬均同樣可析出至盆 樹脂層内部為止。如此藉由鍍覆金屬層之錫固效果,可提 咼樹脂基材之樹脂層與由無電解鍍 的密接強度。 覆所形成之金屬層之間 【實施方式】 本發明中使用之樹脂基材,尸! θ 、聲疋藉由上述作用,
含咪唑矽烷與貴金屬化合物之溶液 U ^ ^ 項·仃表面處理,從而蔣 其表面予以膨潤化之樹脂材料即可,、 攸而將 ’並無特別之限定。可 317975 1313687 列舉如%氧樹脂、崎脂、聚胺g旨樹脂、& 石夕烧樹月日等。此等樹脂為熱硬化性樹脂之場胺樹月曰
化前之階段易於由前述溶液表面處理而膨潤:即 級樹脂為佳。 即所谓之B 可列St,別適合之樹脂基材為環氧樹脂。環氧樹脂 如雙齡Α、雙紛F等雙賴之二縮水甘㈣化物(雙 氧樹脂)、在側鏈、或主鏈上以含橡膠、胺醋、聚越、 聚醋等軟性樹脂改質者’紛型_清漆、甲㈣㈣清漆 等縮水甘油醚化物(酚醛清漆型環氧樹脂)、或聚丁二烯等、 共軛二烯聚合物之環氧化物等。 本發明中使用之咪唑矽烷,以可捕捉貴金屬化合物之 如下之式(1)、(2)及(3)所示之化合物為佳。 鬥
.nch2chch2〇(ch2)3s i (OR3)„R4 (3.; OH η) (1)
CH2OCH, NCH2CH CHS (2) —CHjs R4 l3-n)
.NCH2CHCH20(CH2)3S i (OR3)„R4 (3,01? f R4(3-n>(R3〇>»-iS i (CH2)3OCH2Cj:HCH2li^N OH ^=\ (3) R2 8 317975 .1313687 -(式中之R1表示氫原子或碳原子數為1至2〇之广芙r2 表示氫原子、乙歸基或石反原子數1至5之、)" 〜也基,R3、R4表 不碳原子數1至3之娱•基,η表示1至3。) 上述式⑴、⑺、(3)中’各有如各規定之 意義’但特別以容易合成而言,Ri以氫原子、甲芙、乙美 ^ 碳燒基、十七碳烧基為佳,R2以氫原子、曱某、乙某 為佳,R3、R4以甲基、乙基為佳。 土 土 此等合成法揭示於日本特開平5_186479號公報中。 • 亦即,可以以等莫耳之如下所示之咪唑化合物(式(4)) .與3_環氧丙氧基丙基矽烷化合物(式(5))反應合成。以該合 成,製成如上述式(D、(2)、(3)所示之咪唑矽烷之混合物 之f σ ’亦無需特別分離,因此其利點為可直接以混合物 之形態使用。
9 317975 1313687
ίί^ΝΗ + \〇/^CH*0(CH2)3S i (〇R3)nR4 43-n) R (B) (4) (1) N^CH2(j:HCH20(CH2)3S i (OR3UR4) |3 n>
R1 OH ^f=\ 严 -!c' OCH .NCH2CH pH O—S ic-CHa (2)
ς-CHaVi nynch2〒hch2 0(CH2)3 s i (OR3>nR( R ? R* ,3_n> (Ra 0)n-i S i (CH2)3OCH2CHCH2iT* OH -a) (3) i式-中^t表示氣原子或碳原子數為1至2 〇之燒基,R2 一矿虱’、、乙烯基或碳原子數1至5之烷基,R3、 示碳原子數1至3之烷基,n表示}至3。) 、; ,上述式(4)所*之味魏合物之較佳者如㈣ 咪唑、2,4-二烷基咪唑、4_乙烯咪唑等。其 :坐;卿唾如2_甲基味唾、2_乙基味 := ^米哇、十七碳燒編;又,2,4_二烧 : 基-4-甲基咪唑等。 如2_乙 上述式(5)所示之3_環氧丙氧基丙基石夕炫化合物之 1〇 317975 :1313687 二氧丙氧基丙基三院氧基石夕烧、3_環氧丙氧基丙 二-=基烧基石夕烧、3_環氧丙氧基丙基院氧基二烧基石夕 二::列舉之較佳者’ 3_環氧丙氧基丙基三燒氧基石夕烧 基丙基三甲氧基石夕院、3_環氧丙氧基丙基三 3二:^ ’又,3_環氧丙氧基丙基二烷氧基烷基矽烷如 浐:美Ρ>基丙基二甲氧基甲基矽烷,3-環氧丙氧基丙基 广—烷基石夕烷如3_環氧丙氧基丙基乙氧基二甲基石夕烧 寺0 m二本發明中使用之貴金屬化合物,可使用已往以來 解鍍覆中所使用之貴金屬化合物催化劑。此等貴金屬 =:,如以無電解㈣液在被鑛覆物表面= :例時具有催化作用之物,如纪矣,、銀、始、金 錯物2氧化物、氧化物、硫酸鹽、鍵鹽等氨合物 二口主、讀化合物較佳’尤其環烧酸絶等免皂更 。貝金屬化合物使用之濃度’以前述處理液中之!至 30000mg/L 較佳,1〇J^〇〇〇〇mg/L 更佳。 本發明中使用之咪唾石夕院濃度,以前述處理液中之i 至 3〇〇〇〇mg/L,較佳為 10 至 20_ mg/L。 ,處㈣中使用之溶劑’只要為可溶解㈣石夕烧、及 二、,化合物’且以該處理液處理表面樹脂基材時可使該 樹脂膨潤之溶劑即可’並無特別之限制。 該溶劑特別以甲基乙基_、辛醇、丁醇等為佳"米峻 水溶性’但可用混合水與乙二醇等有機溶劑作 劑來讀,而成為水溶液。此等水與乙謂等之混人 317975 11 Ί313687 溶液亦為較佳之溶劑。 表::理方法’可使用—般之處理方法,如塗布、浸 ’貝’产土布、心貝後再加以乾燥、除去其中之溶劑。 表面二處理之前,以過鐘酸等處理時,藉由使其 表面粗糙化更提南其密接強度。 :了 m由貝金屬化合物與味唾石夕貌處理樹脂基 材之',,、電解鑛覆活性,亦可在無電解鍍覆前,以還原劑處 理。該遇原劑可使用無電解鍍覆中一般使用之已知之還原 :’較佳如有次亞韻、次㈣義等次亞賴之驗金屬 鹽、二τ基硼烷等。 本發明中之無電解鍍覆本可以—般已知之方法操 作,並無特別之限定。無電解鍍覆以銅鑛覆為佳,其他如 錄、錯等亦適用。 又,無電解鍍覆後’可以進行電鍍。在此電鍍中,並 無特別限制,可以適用眾所周知技術。例如可適用銅、絡、 鎳、銀等。 、使用之基材為完全硬化前之樹脂的場合,電解鍍覆後 或無電解鍍覆後,以再加熱使其完全硬化為宜。 本發明,係包含在經含有貴金屬化合物與咪唑石夕烧之 溶液處理之樹脂基材再進行無電解鍍覆之電子零件基材、 積層式積板。 實施例 實施例1 將5 g之咪唑矽烷(等莫耳之咪唑與3_環氧丙氧基丙基 317975 12 :1313687 . 二曱氧基矽烷反應之生成物)與10g之環烷酸鈀混合溶解 於1 L之曱基乙基酮中’再以烘箱塗布機塗布於半硬化狀 態(140。〇時硬化)之環氧樹脂(松下電工公司製造,環氧樹脂 預潰體,R-1661T)之表面。於not:中乾燥去除溶劑。此 蚪其塗布層為O.lpm。之後經3〇 g/L濃度之次亞碟酸(膦酸) 還原液浸潰後水洗處理,使其Pd活化後,再以無電解銅 鍍覆(高溫型嗎啉系銅鍍覆液,KC5〇〇(日礦金屬製板(股) 公司製造)’ 0.3μιη厚)其電鍍覆銅(硫酸銅鍍覆,i.5A/dm2, • 35μπι厚)。於17〇。〇下全固化(full cure)後拉引強度成為1 〇 kgf/cm。拉引強度為9〇。拉引強度(JIS c 6481)。以下相 同。 實施例2 將5 g之咪唑矽烷(等莫耳之咪唑與3_環氧丙氧基丙基 二曱氧基矽烷反應之生成物)與1〇g之環烷酸鈀混合溶解 於1 L之辛醇中,再以烘箱塗布機塗布於半硬化狀態(1〇(rc 籲柃硬化)之環氧樹脂(松下電工公司製造,環氧樹脂預潰 體,R-1661T)表面。於上⑼它下乾燥去除溶劑,此時其塗 布層為Ο.ίμιη。之後經30g/L濃度之次亞磷酸(膦酸)還原 液浸潰後水洗處理,使其Pd活化,再以無電解銅鍍覆(高 溫型嗎啉系銅鍍覆液,KC5〇〇(日礦金屬製板(股)公司製 造〇·3μΠ1厚)與電鍍覆銅(硫酸銅鍍,1.5A/dm2, 35μηι厚)。 於170C下全固化後拉引強度為12 kgf/cm。 實施例3 將5 g之咪唑矽烷(等莫耳之咪唑與3_環氧丙氧基丙基 317975 13 1313687 三曱氧基矽烷反應之生成物)與10g之環烷酸鈀混合溶解 , 於1 L之辛醇中,使環氧樹脂(松下電工公司製造,環氧樹 脂預潰體,R-1661T)成為半硬化狀態(140°C時硬化),之後 以烘箱塗布機塗布於已由錳酸粗糙化處理之表面。於 120°C下乾燥去除溶劑,此時其塗布層成為Ο.ίμιη。之後經 30 g/L濃度之次亞磷酸(膦酸)還原液浸潰後水洗處理,使 其Pd活化,再以無電解銅鍍覆(高溫型嗎啉系銅鍍覆液, KC500(日礦金屬製板(股)公司製造),0.3μιη厚)與電鍍覆銅 •(硫酸銅鍍覆,1.5A/dm2,35μιη厚)。於170°C下全固化後 拉引強度為1.4 kgf/cm。 實施例4 將半硬化狀態(10 0 °C時硬化)且經過錳酸粗糙化處理 之環氧樹脂(松下電工公司製造,環氧樹脂預潰體,R-1661T) 浸潰於含有200mg/L之咪唑矽烷(等莫耳之咪唑與3-環氧 丙氧基丙基三甲氧基矽烷反應之生成物)與l〇〇mg/L之氯 •化(換算為Pd為60mg/L)及30g/L之乙二醇之水溶液中。 於120°C下乾燥去除溶劑後,經30 g/L濃度之次亞磷酸(膦 酸)還原液浸潰後水洗處理,使其Pd活化,再以無電解銅 鍍覆(高溫型嗎啉系銅鍍覆液,KC500(日礦金屬製板(股) 公司製造),〇.3μιη厚)與電鍍覆銅(硫酸銅鍍覆,1.5A/dm2, 35μπι厚)。於170°C下全固化後拉引強度為1.1 kgf/cm。 實施例5 除以聚醯亞胺樹脂(三菱瓦斯化學公司製造,BT預潰 體,GHPL-950K)取代環氧樹脂外,如實施例1相同處理。 14 317975 Ί313687* 其拉引強度為1.1 kgf/cm。 比較例1 除以 環氧樹月旨(松下電工公 C級品(完全硬化品)取代 司製造’環氧樹脂預潰體,R-1 661T)外,其與如實施例 相同處理。其拉引強度為0.4 kgf/cm。 (本案無圖式)
317975 15

Claims (1)

13 ( -」 I'*'*'—~~~第 95107526 號專利申請案 十、申請專利範圍:(98年…") 一種B級樹脂基材,係使用含有咪唑矽烷與貴金屬化 δ物之令液,將該溶液塗布、浸潰於藉由該溶液會具 有膨濁性的B級樹脂基材表面後,加以乾燥、除去溶 劑’藉此經表面處理過者,其中,纟該表面處理時, 表面口該冷液而膨潤’並使前述貴金屬觸媒潛入該表 面之内部,並在其後之無電解鑛覆中使錢覆金屬析出 至樹脂層内部。 2. 3. 4. 5. 6. 7. 如第i項之樹絲材’上述被表面處理 ,樹脂基材為B級之環氧樹脂、酚樹脂、聚胺酯樹脂、 二聚氰胺樹脂或;5夕樹脂。 1請專利範圍第1項之樹聽材,上述被表面處理 之树脂基材為B級之環氧樹脂。 =申:專利範圍第i項至第3項中任一項之樹脂基 中,貝金屬化合物為鈀化合物。 :件基材’係在如申請專利範圍第1項之B 脂二者十施行無電解鍍覆而使鍍覆金屬析出至樹 範圍第5項之電子零件基材,該樹脂基材 :申圍第5項或第6項之電子零件基材其 以電子令件基材為積層式積板。 基材之製造方法,係包含下述步驟:在 U面處㈣之Β級樹脂基材上,施行無電解鑛覆而 (修 JL 本)317975 16 8. 1313687 第951〇7526號專利中請案 使錢覆金屬析出至樹脂層内部的步驟,Π':使用B) 含有咪唑矽烷與貴金屬化合物之溶液,將該溶液塗 布、浸潰於藉由該溶液會具有膨潤性的B級樹脂基材 表面後,加以乾燥、除去溶劑,#此進行上述表面處 理。 9. 10. ^申請專利範圍帛8項《電子零件基材之製造方法, 其中^被表面處理之樹脂基材為B級之環氧樹脂。 =申請專利範圍第8項或第9項之電子零件基材之製 造方法,其中,電子零件基材為積層式積板。 、 (修正本)317975 17
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