JP6040487B2 - 金属めっきを促進するための表面処理方法および作製された装置 - Google Patents
金属めっきを促進するための表面処理方法および作製された装置 Download PDFInfo
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- JP6040487B2 JP6040487B2 JP2010523174A JP2010523174A JP6040487B2 JP 6040487 B2 JP6040487 B2 JP 6040487B2 JP 2010523174 A JP2010523174 A JP 2010523174A JP 2010523174 A JP2010523174 A JP 2010523174A JP 6040487 B2 JP6040487 B2 JP 6040487B2
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- CVSGFMWKZVZOJD-UHFFFAOYSA-N pyrazino[2,3-f]quinoxaline Chemical compound C1=CN=C2C3=NC=CN=C3C=CC2=N1 CVSGFMWKZVZOJD-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910021481 rutherfordium Inorganic materials 0.000 description 1
- YGPLJIIQQIDVFJ-UHFFFAOYSA-N rutherfordium atom Chemical compound [Rf] YGPLJIIQQIDVFJ-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- RRBYUSWBLVXTQN-UHFFFAOYSA-N tricyclene Chemical class C12CC3CC2C1(C)C3(C)C RRBYUSWBLVXTQN-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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Description
他の局面においては、本発明の実施態様は、銅を、基板上に、銅シード層を形成させることなく直接電気めっきする方法を提供する。また、幾つかの実施態様は、電気めっき方法において金属元素の基板上への好ましい付着または結合を促進する有機分子層の構造体またはフィルムも提供する。
基板の表面を、熱安定性基本成分、金属との結合を促進するように配置した1個以上の結合基(binding group)および有機分子を上記表面に付着するように配置した1個以上の付着基(attachment group)からなる有機分子によって処理すること。
上記表面を1種以上の有機分子(これらの分子は、金属結合を促進するように配置されている)と接触させる工程;
上記有機分子と基板を少なくとも25℃の温度に加熱し、上記有機分子が上記基板表面上に上記有機分子の層を形成する工程;および、
上記基体をめっき溶液または浴中に置き、浴中の金属イオンが還元されて上記有機分子に結合して上記基板表面上に金属層を形成する工程。
本発明の上記および他の局面は、添付図面(同じ参照文字は、同じ部分を示す)と一緒に以下の詳細な説明を検討すれば明白であろう。
非大環状キレート化剤を含む表面活性成分は、金属の存在が複数のプロリガンドが一緒に結合して複数の酸化状態をもたらすことから、金属イオンと結合させて非大環状キレート化合物を形成させる。
ピリジン;ピラジン;イソニコチンアミド;イミダゾール;ビピリジンおよびビピリジンの置換誘導体;ターピリジンおよび置換誘導体;フェナントロリン、とりわけ、1,10‐フェナントロリン(phenと略記する)および4,7‐ジメチルフェナントロリンおよびジピリドール[3,2‐a:2',3'‐c]フェナジン(dppzと略記する)のようなフェナントロリンの置換誘導体;ジピリドフェナジン;1,4,5,8,9,12‐ヘキサアザトリフェニレン(hatと略記する);9,10‐フェナントレンキノンジイミド(phiと略記する);1,4,5,8‐テトラアザフェナントレン(tapと略記する);1,4,8,11‐テトラアザシクロテトラデカン(cyclamと略記する)およびイソシアニドがある。また、縮合誘導体のような置換誘導体も使用し得る。金属イオンを配位的に飽和させてなく、他のプロリガンドの添加を必要とする大環状リガンドは、本目的においては非大環状とみなすことに留意すべきである。当業者であれば認識しているように、多数の“非大環状”リガンドを共有結合させて配位的に飽和の化合物を形成させることは可能であるが、これは環状骨格を欠いている。
酸素, イオウ, リンおよび窒素供与リガンドは、ヘテロ原子を配位原子として機能せしめるような方法で付着させる。
また、上記分子成分も、本発明においては、上記で概略した表面活性成分のポリマーを含み得る;例えば、ポルフィリンポリマー(ポルフィリン複合体のポリマーを含む)、大員環複合体ポリマー、2種の表面活性サブユニットを含む表面活性成分等を使用することができる。上記ポリマーは、ホモポリマーまたはヘテロポリマーであり得、単量体表面活性成分の任意の多くの種々の混合物(混在物)を含み得る;また、“モノマー”も2種以上のサブユニットを含む表面活性成分(例えば、サンドイッチ配位化合物、1種以上のフェロセンで置換されたポルフィリン誘導体等)を含み得る。表面活性成分ポリマーは、WO 2005/086826号に記載されており、該文献は、その全体を参考として本明細書に合体させる。
また、これらの各種分子化合物の混合物も、本発明に従って使用することができる。
従って、本発明の方法によれば、多層導電性構造体を製造することも、例えば、本発明による有機挿入フィルムを使用することによって可能である。
ある実施態様においては、本発明に従って得られた有機フィルムは、この有機フィルムが付着している導電性表面の腐蝕電位よりも高いアノード電位に耐える付着保護コーティングを構成する。
従って、本発明の方法は、例えば、ビニルポリマーのフィルムを、導電性ポリマーフィルム上で相応するビニルモノマーを熱重合させることによって付着させる工程も含む。
従って、本発明は、調整可能な厚さを有する付着させ且つ導電性の有機コーティングを、導電性または半導電性表面上に生成させるのを可能にする。
とりわけ有利には、各種のパラメーターを、如何なる特定の有機分子の付着においても最適化することができる。これらのパラメーターとしては、(1) 上記分子(1種以上)の濃度、(2) ベーキング時間、および(3) ベーキング温度がある。これらの手順は、溶液中の種々の濃度の分子または生のまま分子を典型的に使用する。極めて少量の物質の使用は、比較的少量の有機溶媒を使用し、それによって環境的危険を最小限にし得ることを示唆している。
400℃以上ほどの高いベーキング温度を、ある種のタイプの分子の分解なしで使用し得る。この結果は、PCBまたは半導体装置の製造における多くの処理工程が高温処理を伴う点で重要である。ある実施態様においては、好ましいベーキング温度は、約25℃〜約400℃、好ましくは約100℃〜約200℃、より好ましくは約150℃〜約250℃、最も好ましくは約150℃〜約200℃の範囲である。
分子を、例えば、アルコールまたはチオールにより誘導体化する方法は、当業者にとって周知である(例えば、Gryko et al. (1999) J. Org. Chem., 64: 8635-8647;Smith and March (2001) March's Advanced Organic Chemistry, John Wiley & Sons, 5th Edition等を参照されたい)。
付着基Yがアルコールを含む場合、ある実施態様においては、適切なアルコールとしては、限定するものではないが、第一級アルコール、第二級アルコール、第三級アルコール、ベンジルアルコール、およびアリールアルコール(即ち、フェノール)がある。ある種のとりわけ好ましいアルコールとしては、限定するものではないが、2〜10個の炭素の直鎖アルコール、ベンジルアルコールおよびフェネチルアルコール、または側鎖基を含有するエーテルがある。
付着基Yがチオールを含む場合、ある実施態様においては、適切なチオールとしては、限定するものではないが、第一級チオール、第二級チオール、第三級チオール、ベンジルチオール、およびアリールチオールがある。とりわけ好ましいチオールとしては、限定するものではないが、2〜10個の炭素の直鎖チオール、ベンジルチオールおよびフェネチルチオールがある。
表面を清浄化し不動態化する他の方法は、当業者にとって既知である(例えば、Choudhury (1997) The Handbook of Microlithography, Micromachining, and Microfabrication, Bard & Faulkner (1997) Fundamentals of Electrochemistry, Wiley, New York等を参照されたい)。
他の方法は、例えば、上記試薬を、カップリングさせなければならない領域内に選択的に付着させるように成形した接触プリントヘッドを使用する上記試薬の接触プリンティング、試薬を特定の領域内に選択的に付着させるインクジェット装置の使用(例えば、米国特許第6,221,653号参照)、試薬を特定の領域内に選択的に封じ込めるダム(せき止め)の使用等を含む。
本発明は、以下の実施例から、さらに良好に理解し得るであろう。多くの試験を、下記で説明するようにして実施した。各実施例は、単なる例示目的で示しており、本発明を如何なる形でも限定するものではない。
実施例
本発明の特徴をさらに説明するために、改めて図9に関しては、典型的な試験プロセス経路が示されており、次の4つの主要工程を含む:(1) 分子付着200、(2) 無電解Cu析出300、(3) 電解質Cu析出400、および(4) 必要に応じての加熱処理。特定のデータおよび結果は、単なる例示目的で示しており、本発明の範囲を如何なる形でも限定するものではない。図9は、上記プロセスにおいて、工程320のテープ剥離を工程410の剥離強度試験を実施するように示している;しかしながら、これは、使用する試験手順およびプロトコールを説明するためにのみ示している。本発明の広範な方法工程は、剥離試験工程320および410を含まない。図9に関し、典型的な試験手順においては、分子付着を、基板の清浄化202、1種以上の分子の基板との付着または接触204、工程206での分子の基板への付着を促進させるための加熱またはベーキング、およびその後の基体の洗浄および後処理208によって実施している。
本実施例は、有機分子の層をPCB基板上に形成させる1つの典型的な方法を例示する、この場合、図4に示すエチニル末端分子を、図5に示すようなC‐C結合の形成により、エポキシ表面に付着させる。市販の平滑エポキシ基板を、先ず、水中での5分間の音波処理およびその後のイソプロピルアルコールにより清浄化した。基板を、0.1〜1mMのポルフィリン分子を適切な溶媒(例えば、イソプロパノール、ヘキサン、トルエン等)中に含有する溶液で、スプレーコーティング、ディップコーティング、ドロップコーティング(drop-coating)またはスピンコーティングのいずれかよってコーティングした。その後、サンプルを70〜200℃で5〜20分間ベーキングし、次いで、標準の表面清浄化工程を行って残留未付着分子を除去した。付着分子の量は、分子の濃度、付着温度および時間を変えることによって調整し得、図10および11に示すようなUV吸収分光法によってモニターし得る。図10に示すように、UV吸収強度は、付着濃度の増大とともに増大する分子被覆率に比例している。さらに、分子被覆率は、図11に示すように、付着温度の上昇とともに増大している。
分子付着および表面清浄化工程の後、エポキシ基板を、以下の方法で無電解Cu析出に供した:(a) Shipley/Circuposit Conditioner 3320中に65℃で10分間浸漬し、次いで、65℃で2分間のDI水洗浄を行い、(b) Shipley/Cataposit Catalyst 404中に23℃で1分間(予備浸漬)、次いでShipley/Cataposit Catalyst 44中に40℃で5分間(活性化)浸漬し、その後、23℃2分間のDI水洗浄を行い、(c) Shipley/Accelerator 19E中に30℃で5分間浸漬し(促進)、その後、23℃2分間のDI水洗浄を行い、(d) Shipley/Cuposit 328L Copper Mix中に30℃で40分間浸漬し(無電解Cu)、その後、23℃で2分間のDI水洗浄および23℃の空気による1分間のブロー乾燥を行った。その後、サンプルを170℃の空気中で30分間アニーリングした。無電解フィルムを図12〜14に示すテープ剥離によって評価し、図15に示す顕微鏡により特性決定した。図12Aおよび12Bは、テープ剥離試験方法を略図的に示している。テープ500を試験クーポン、この場合は、本発明の方法によってその上に形成された無電解銅504を有するエポキシ基板502の1部上に置き、押圧する。その後、テープ500の1部を手で剥離する。テープ剥離試験は、銅層の剥離強度の定性的特性決定をもたらし、一般に、無電解銅層を試験するために実施する。図13は、本発明の方法によってその上に形成された無電解銅を有するエポキシA基板の複数の試験クーポン0131〜0140の、本発明に従って製造していない対照試験クーポン0007と一緒の写真を示す。図14は、本発明の方法によってその上に形成された無電解銅を有するエポキシB基板の複数の試験クーポン0039〜0040の、本発明に従って製造していない対照試験クーポン0026と一緒の写真を示す。各試験クーポンは、両図面において、剥離の前後で示されている。図13および14に示されているように、本発明のポルフィリン分子はめっき用の良好な基板をもたらしており、平滑なエポキシ基板に対する銅接着を増強している。さらに、より良好な銅被覆率は、一般に、本発明に従って製造した基板によって達成されている。さらに、図15Aおよび15Bは、ポルフィリン分子が、欠陥密度も低下させ、従って、銅とエポキシ基板間の接着を促進していることを例証している。図15Bにおいて示しているように、50×および500×倍率の双方において、本発明に従って製造したエポキシB基板上の銅層は、良好な銅接着と低欠陥密度を示しており、通常に製造した銅層(図15A)に対して有意に優れている。
電着を無電解Cu被覆基板に適用して、銅の厚さを剥離強度評価のために25〜50μmまで増大させた。基板を、先ず、1M 硫酸中で清浄化し、次いで、Shipley/Copper Gleam ST-901 Acid Copper中で2A/cm2、23℃にて90分間電気めっきし、その後、23℃2分間のDI水洗浄および23℃の空気による1分間のブロー乾燥を行った。その後、サンプルを170℃の空気中で120分間アニーリングした。次に、剥離強度を電解質銅層上で試験する。図16Aおよび16Bは、剥離強度試験方法を略図的に示している。先ず、10mm幅の剥離ストリップ600を、試験クーポン、この場合は、本発明の方法によってその上に形成された無電解および電解質銅604を有するエポキシ基板602の二面上に切込みを入れることによって作成する。次に、剥離ストリップ600を、剥離試験器のフォースゲージに固定する。その後、剥離強度を、90度の剥離角度および50mm/分の剥離速度で測定する。図17Aは、ポルフィリン結合平滑基板上の電解質銅の剥離強度が、分子結合なしの平滑基板と比較して、60の係数で高まっていることを例証しており、この剥離強度は、図17Bに示しているような粗面化対照基板で観察される剥離強度と匹敵するかまたは良好である。表面画像化は、平滑基板上での接着力の増強が、図17Cの表のデータに示しているように、表面粗さおよび形態の有意な変化なしで達成されていたことを実証している。剥離強度の同様な増強は、100nm未満の粗さを有するさらなる基板上で、表面を有意に粗面化することなく実証されている。
その後、上記で形成した装置をさらに加工して微細線のパターン化が本発明によって可能であることを実証した。具体的には、基板を、無電解銅がおよそ0.5ミクロンの高さに付着する時点まで、実施例2で説明したようにして処理した。この時点で、セミアディティブ(semi-additive)パターン化法(例えば、Liu, F et al, A Novel Technology for Stacking Microvias on Printed Wiring Board, Proceedings 53rd IEEE Electronics Components and Technology Conference, May 2003, pp 1134-39参照)を用いる標準リトグラフィー法を使用して、等寸法(例えば、30/30、18/18、14/14、12/12および8/8ミクロン)を有する線と間隔のコームパターンを生じさせた。良好な結果がこれらの構造体の全てにおいて得られており、本発明の分子接着法による処理が、下記の表1に示しているように、銅線を微細線間隔でパターン化する能力を有意に改善することを示唆していた。
多くの試験を実施して、本発明に従って形成させた装置の信頼性を種々の応力条件下において試験した。結果は、下記で詳細に説明するように、図18〜21に提示している。
102、104 エポキシ基板
106、108 有機分子
110 銅シード層
112 無電解めっき銅
114 電気めっき銅
200 分子付着工程
202 基板清浄化
204 分子付着または接触
206 加熱またはベーキング
208 洗浄および後処理
300 銅の無電解析出工程
302 状態調節
304 洗浄
306 予備浸漬
308 活性化
310 洗浄
312 促進
314 洗浄
316 無電解銅めっき
318 洗浄および乾燥
319 予備アニーリング
320 テープ剥離試験
400 銅の電着
402 酸清浄化
404 電解質銅めっき
406 洗浄および乾燥
408 後アニーリング
410 剥離強度試験
500 テープ
502 エポキシ基板
504 無電解銅
0007 対照試験クーポン
0131〜0140 本発明に従う試験クーポン
0026 対照試験クーポン
0039〜0044 本発明に従う試験クーポン
600 剥離ストリップ
602 エポキシ基板
604 電解質銅
Claims (15)
- 下記の工程を含むことを特徴とする、基板の表面のめっき方法:
前記表面を、金属結合を促進するように配置している1種以上の有機分子と接触させる工程であって、前記1種以上の有機分子が、表面活性成分と、アリール基からなる少なくとも1個の付着基とからなり、これらの有機分子が層を前記基板の表面に形成する工程;および、
前記基板をめっき浴に入れ、このめっき浴中の金属イオンが還元されて前記1種以上の有機分子と結合して、前記基板表面上に金属層を形成する工程、
ここで、前記アリール基は、アセテート、アルキルアミノ、アリル、ブロモ、ブロモメチル、カルボニル、カルボキシレート、ジヒドロキシホスホリル、エポキシド、エーテル、エチニル、ホルミル、ヒドロキシ、ヒドロキシメチル、ヨード、メルカプトメチル、Se‐アセチルセレノ、Se‐アセチルセレノメチル、S‐アセチルチオ、S‐アセチルチオメチル、セレニル、4,4,5,5‐テトラメチル‐1,3,2‐ジオキサボロラン‐2‐イル、2‐(トリメチルシリル)エチニル、ビニルおよびこれらの組合せのいずれか1つ以上から選択される官能基を含む。 - 前記基板をめっき浴に入れる前に、金属シード層を前記有機分子層の上に形成させて、この金属シード層が前記1種以上の有機分子に付着する工程をさらに含む、請求項1記載の方法。
- 前記1種以上の有機分子を前記表面の所望領域に選択的に形成させ、前記金属層を前記所望領域上に形成させる、請求項1記載の方法。
- 前記表面活性成分が、大環状プロリガンド、大環状複合体、サンドイッチ配位複合体、ポルフィリンおよびそのポリマーからなる群から選ばれる、請求項1記載の方法。
- 前記少なくとも1個の付着基が、下記の任意の1種以上からなる、請求項1記載の方法:
アルコール、エーテル、他の求核物質、フェニルエチン、フェニルアリル基、ホスホネートおよびこれらの組合せ。 - 前記1個以上の有機分子が、アルコール、カルボキシレート、エーテル、エステル、他の求核物質、フェニルエチン、フェニルアリル基、ホスホネート、アミン、ピリジン、ピラジン、イソニコチンアミド、イミダゾール、ビピリジンおよびビピリジンの置換誘導体、ターピリジンおよび置換誘導体、ニトリル、イソニトリル、チオシアネート、フェナントロリン、フェナントロリンの置換誘導体、酸素、イオウ、リンおよび窒素供与リガンドおよびこれらの組合せからなる1種以上の結合基をさらに含む、請求項1記載の方法。
- 前記1種以上の有機分子が、興味ある分子を結合するように配置した1個以上の結合基および前記有機分子を前記表面に付着するように配置した1個以上の付着基を担持する熱安定性基本成分からなる、請求項1記載の方法。
- 前記基板が、下記の任意の1種以上からなる、請求項1記載の方法:
PCB基板、ポリマー、セラミック、カーボン、エポキシ、ガラス強化エポキシ、フェノール、ポリイミド樹脂、ガラス強化ポリイミド、シアネート、エステル、テフロン(登録商標)、第III〜IV族元素およびこれらの混合物。 - 前記接触工程が、下記の任意の1以上を含む、請求項1記載の方法:
ディッピング、ドリップコーティング、ドロップコーティング、スピンコーティング、スプレー、インクジェットプリンティング、接触プリンティング、蒸着、プラズマ援用蒸着、スパッタリング、分子線エピタキシー、およびこれらの組合せ。 - 前記1種以上の有機分子および前記基板を少なくとも25℃の温度に加熱する工程をさらに含み、この加熱工程を、下記の任意の1以上において実施する、請求項1記載の方法:オーブン、ホットプレート、CVD装置、加熱炉、高速加熱炉、MBE装置、およびこれらの組合せ。
- 前記接触工程の前に、溶媒洗浄液を前記表面に適用する工程をさらに含む、請求項1記載の方法。
- 前記加熱工程の後に、前記基板表面を清浄化する工程をさらに含み、前記清浄化工程が、下記の任意の1以上を含む、請求項1記載の方法:洗浄、濯ぎ、デスカミング(descuming)またはデスミア処理。
- 前記1種以上の有機分子および前記基板を、約400℃までの温度に加熱する、請求項1記載の方法。
- 前記1種以上の有機分子を、溶媒、分散液、エマルジョン、ペーストまたはゲル中に担持させる、請求項1記載の方法。
- 下記の工程を含むことを特徴とする、基板表面のめっき方法:
前記表面を、金属結合を促進するように配置している1種以上の有機分子と接触させる工程であって、前記1種以上の有機分子が、表面活性成分と、アリール基からなる少なくとも1個の付着基とからなる工程;
前記1種以上の有機分子と前記基板を少なくとも25℃の温度に加熱し、これらの有機分子が層を前記基板表面上に形成する工程;
前記基板表面を後処理する工程;および、
前記表面をめっき浴または溶液に暴露し、このめっき浴中の金属イオンが還元されて前記1種以上の有機分子と結合して、前記基板表面上に金属層を形成する工程、
ここで、前記アリール基は、アセテート、アルキルアミノ、アリル、ブロモ、ブロモメチル、カルボニル、カルボキシレート、ジヒドロキシホスホリル、エポキシド、エーテル、エチニル、ホルミル、ヒドロキシ、ヒドロキシメチル、ヨード、メルカプトメチル、Se‐アセチルセレノ、Se‐アセチルセレノメチル、S‐アセチルチオ、S‐アセチルチオメチル、セレニル、4,4,5,5‐テトラメチル‐1,3,2‐ジオキサボロラン‐2‐イル、2‐(トリメチルシリル)エチニル、ビニルおよびこれらの組合せのいずれか1つ以上から選択される官能基を含む。
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- 2008-09-01 TW TW97133436A patent/TWI445840B/zh not_active IP Right Cessation
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2009
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US20100075427A1 (en) | 2010-03-25 |
TW200927989A (en) | 2009-07-01 |
US20090056994A1 (en) | 2009-03-05 |
TWI445840B (zh) | 2014-07-21 |
EP2188817A4 (en) | 2015-08-26 |
EP2188817A1 (en) | 2010-05-26 |
WO2009029863A8 (en) | 2010-07-01 |
CN101919008B (zh) | 2014-01-29 |
WO2009029863A1 (en) | 2009-03-05 |
US20100071938A1 (en) | 2010-03-25 |
US8323769B2 (en) | 2012-12-04 |
CN101919008A (zh) | 2010-12-15 |
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