JP5714231B2 - リジッド‐フレックス回路基板の製造方法及びリジッド‐フレックスエレクトロニクスモジュール - Google Patents
リジッド‐フレックス回路基板の製造方法及びリジッド‐フレックスエレクトロニクスモジュール Download PDFInfo
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- JP5714231B2 JP5714231B2 JP2010000225A JP2010000225A JP5714231B2 JP 5714231 B2 JP5714231 B2 JP 5714231B2 JP 2010000225 A JP2010000225 A JP 2010000225A JP 2010000225 A JP2010000225 A JP 2010000225A JP 5714231 B2 JP5714231 B2 JP 5714231B2
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Description
1.第1及び第2の面を有する導体薄膜12を準備し、製造を開始する。導体薄膜12は純粋に導体材料、例えば、銅とするか、又は2つ以上の層をもって構成することができ、これらの一部を、前述したように、絶縁材料とすることもできる。
2.可撓性薄膜を、これが少なくとも可撓性領域13、すなわち、回路基板の可撓性部分を被覆するように導体薄膜12に取り付ける。可撓性薄膜を形成する場合、例えば、前述した可撓性層2又は可撓性片20を利用することができる。可撓性薄膜は導体薄膜12の第1の面又は第2の面に取り付けることができる。
3.可撓性領域13の位置で導体薄膜12の第1の面上に犠牲材料片16を取り付ける。
4.実質的に回路基板の全表面領域上にある導体薄膜を被覆するとともに、この導体薄膜内の犠牲材料片を囲む絶縁層1を導体薄膜12の第1の面上に形成する。この場合、回路基板の表面領域という用語は、最終製品となる回路基板の表面領域を意味するものである。実際の製造処理で処理される生産パネルには、複数の回路基板を設けることができる。代表的な実施例では、絶縁体層1により回路基板の表面領域を完全に被覆し、一般には絶縁体層1により生産パネルの全体をも被覆する。しかし、絶縁体層1には局所的な孔又は開口を開けることができる。
5.犠牲材料片16まで延在する開口9を導体薄膜12の第1の面の方向から絶縁体層1内に形成する。この開口は例えば、ミリング処理により形成しうる。
6.犠牲材料片16を除去し、これにより可撓性領域13が可撓性となるようにする。
7.絶縁体層1の形成後に導体薄膜12をパターン化することにより、導体22を形成する。
‐ 導体22の層と、
‐ 可撓性薄膜2又は20を有する少なくとも1つの可撓性(フレックス)領域13であって、この可撓性領域上に、可撓性薄膜2又は20により支持された少なくとも数個の導体22が延在している当該可撓性領域13と、
‐ 可撓性領域13上に導体22を支持する絶縁体(リジッド)層1と、
‐ 絶縁体層1内の少なくとも1つの構成素子6であって、この構成素子の表面上に接点端子7があり、接点端子7が導体22に面している当該構成素子6と、
‐ 接点端子7と導体22との間を導電的に接続する接点素子であって、これら接点素子は、化学的又は電気化学的方法を用いる成長によりそれぞれ形成された1つ以上の金属層より成る一体化金属片である当該接点素子と
を有するリジッド‐フレックスエレクトロニクスモジュールを製造することができる。
Claims (24)
- 絶縁体材料と、犠牲材料と、少なくとも1つの構成素子とを2つの導体材料層間に積層し、これにより、絶縁体層(1)と、犠牲材料片(16)と、前記絶縁体層(1)内の少なくとも1つの構成素子(6)とを有する構造体を形成するステップと、
前記導体材料層をパターン化して導体パターン層を形成するステップと、
前記構造体の一方の面の前記導体パターン層(22)上に可撓性の層(2)を形成するステップと、
前記犠牲材料片(16)を前記構造体の他方の面の側から除去し、この犠牲材料片(16)を除去した位置でこの構造体に可撓性領域(13)を形成するステップと
を具えるリジッド‐フレックス回路基板の製造方法。 - 2つの導体材料層の一方である導体薄膜(12)上に可撓性片(20)を設けるステップと、
絶縁体材料と、接着剤と、犠牲材料と、少なくとも1つの構成素子とを前記導体薄膜(12)と2つの導体材料層の他方である他の導体薄膜(14)の間に積層し、これにより、絶縁体層(1)と、前記可撓性片(20)上に接着剤層(15)で接着された犠牲材料片(16)と、前記絶縁体層(1)内の少なくとも1つの構成素子(6)とを有する構造体を形成するステップと、
前記犠牲材料片(16)及び前記接着剤層(15)を前記可撓性片(20)を残して前記構造体から除去し、この犠牲材料片(16)を除去した位置でこの構造体に可撓性領域(13)を形成するステップと
を具えるリジッド‐フレックス回路基板の製造方法。 - 絶縁体材料と、犠牲材料片(16)及び可撓性片(20)を含む層状構造体と、少なくとも1つの構成素子とを2つの導体材料層間に積層し、これにより、絶縁体層(1)と、前記層状構造体と、前記絶縁体層(1)内の少なくとも1つの構成素子(6)とを有する構造体を形成するステップと、
前記犠牲材料片(16)を前記可撓性片(20)を残して前記構造体から除去し、この犠牲材料片(16)を除去した位置でこの構造体に可撓性領域(13)を形成するステップと
を具えるリジッド‐フレックス回路基板の製造方法。 - 第1の犠牲材料片(30)と、第1の可撓性導体(31)と、可撓性片(20)と、第2の可撓性導体(32)と、第2の犠牲材料片(33)とが積層された層状構造体を形成するステップと、
絶縁体材料と、前記層状構造体と、少なくとも1つの構成素子とを2つの導体材料層間に積層し、これにより、絶縁体層(1)と、前記層状構造体と、前記絶縁体層(1)内の少なくとも1つの構成素子(6)とを有する構造体を形成するステップと、
前記第1の犠牲材料片(30)及び第2の犠牲材料片(33)を前記構造体から除去し、この犠牲材料片(30,33)を除去した位置でこの構造体に可撓性領域(13)を形成するステップと
を具えるリジッド‐フレックス回路基板の製造方法。 - 請求項2に記載のリジッド‐フレックス回路基板の製造方法において、前記導体材料層を導体薄膜(12、14)とするリジッド‐フレックス回路基板の製造方法。
- 請求項2に記載のリジッド‐フレックス回路基板の製造方法において、前記導体材料層の少なくとも1つを導体(22、24)の層とするリジッド‐フレックス回路基板の製造方法。
- 請求項4に記載のリジッド‐フレックス回路基板の製造方法において、前記可撓性領域(13)の位置に可撓性片(20)を形成する可撓性材料を、2つの導体材料層間に積層させるリジッド‐フレックス回路基板の製造方法。
- 請求項7に記載のリジッド‐フレックス回路基板の製造方法において、前記可撓性片(20)により支持され、前記可撓性領域(13)上に延在する可撓性導体(31、32)を、前記2つの導体材料層間に積層させるリジッド‐フレックス回路基板の製造方法。
- 請求項2に記載のリジッド‐フレックス回路基板の製造方法において、前記可撓性領域(13)上に延在する導体を、前記2つの導体材料層のうちの1つの導体材料層から形成するリジッド‐フレックス回路基板の製造方法。
- 請求項9に記載のリジッド‐フレックス回路基板の製造方法において、可撓性材料の可撓性片(20)を前記可撓性領域(13)の位置で回路基板内に形成し、この可撓性領域(13)上に延在する導体を支持するようにするリジッド‐フレックス回路基板の製造方法。
- 請求項1〜10のいずれか一項に記載のリジッド‐フレックス回路基板の製造方法において、前記絶縁体層(1)内の前記構成素子(6)と回路基板の導体パターンとの間に電気接点を形成するリジッド‐フレックス回路基板の製造方法。
- 請求項11に記載のリジッド‐フレックス回路基板の製造方法において、回路基板の前記導体パターンを前記2つの導体材料層のうちの第1の導体材料層の一部とするリジッド‐フレックス回路基板の製造方法。
- 請求項12に記載のリジッド‐フレックス回路基板の製造方法において、
積層前に、接点素子を形成するための接点開口(8)を前記第1の導体材料層に形成し、
前記構成素子(6)を、接点端子(7)が前記接点開口(8)に対応して位置するように、前記第1の導体材料層に対して取り付け、
前記接点端子(7)を前記第1の導体材料層に電気的に接続する接点素子を、前記接点開口(8)を通して形成する
リジッド‐フレックス回路基板の製造方法。 - 請求項13に記載のリジッド‐フレックス回路基板の製造方法において、化学的な成長方法及び電気化学的な成長方法の双方又は何れか一方を用いて、前記接点素子を形成するリジッド‐フレックス回路基板の製造方法。
- 請求項1〜14のいずれか一項に記載のリジッド‐フレックス回路基板の製造方法において、
繊維材料(19)及び予め硬化されたポリマーを有する少なくとも1つの絶縁体薄膜(11)を準備し、
前記犠牲材料片(16)に対する孔及び必要に応じ前記構成素子(6)に対する孔を、繊維材料(19)を有する各絶縁体薄膜(11)に形成し、
前記絶縁体薄膜(11)を、積層される他の構造体と一緒に積層する
ことにより前記絶縁体層(1)を形成するリジッド‐フレックス回路基板の製造方法。 - 少なくとも1つの可撓性領域(13)であって、この可撓性領域が、可撓性薄膜(2)と、この可撓性薄膜(2)により支持されているこの可撓性領域(13)上に延在する導体(22)とを有している当該可撓性領域(13)と、
前記可撓性領域(13)の外部でこの可撓性領域に接する絶縁体層(1)であって、第1及び第2の面を有する当該絶縁体層(1)と、
この絶縁体層(1)の第1の面上の導体(22)の層と、
前記絶縁体層(1)の内部にある少なくとも1つの構成素子(6)であって、この構成素子の表面上に接点端子(7)があり、この構成素子は、前記接点端子(7)が前記絶縁体層(1)の前記第1の面上の前記導体(22)に面するように位置決めされており、前記導体(22)に接着剤層(5)により取り付けられている当該構成素子(6)と、
前記接点端子(7)と、前記絶縁体層(1)の前記第1の面上の前記導体(22)との間の導電性接続を達成する接点素子であって、これら接点素子は、化学的又は電気化学的な方法を用いて成長させることによりそれぞれ形成した1つ以上の金属層より成る一体化金属片とした当該接点素子とを具えるリジッド‐フレックスエレクトロニクスモジュールであって、
前記可撓性薄膜(2)は、前記絶縁体層(1)の第1の面上の前記導体(22)の層上に設けられ、それにより、前記導体(22)の層が前記可撓性薄膜(2)と前記絶縁体層(1)との間になるようにし、前記導体(22)の層は、前記可撓性薄膜(2)により支持された前記可撓性領域(13)上に延在するリジッド‐フレックスエレクトロニクスモジュール。 - 可撓性片(20)と導体(22)とを有する、少なくとも1つの可撓性領域(13)であって、前記可撓性片(20)は当該可撓性領域(13)より広い幅を有し、前記導体(22)は前記可撓性領域(13)の位置に部分的に設けられた前記可撓性片(20)により支持されているこの可撓性領域(13)上に延在する、前記可撓性領域(13)と、
前記可撓性領域(13)の外部でこの可撓性領域に接する絶縁体層(1)であって、第1及び第2の面を有する当該絶縁体層(1)と、
この絶縁体層(1)の第1の面上の導体(22)の層と、
前記絶縁体層(1)の内部にある少なくとも1つの構成素子(6)であって、この構成素子の表面上に接点端子(7)があり、この構成素子は、前記接点端子(7)が前記絶縁体層(1)の前記第1の面上の前記導体(22)に面するように位置決めされており、前記導体(22)に接着剤層(5)により取り付けられている当該構成素子(6)と、
前記接点端子(7)と、前記絶縁体層(1)の前記第1の面上の前記導体(22)との間の導電性接続を達成する接点素子であって、これら接点素子は、化学的又は電気化学的な方法を用いて成長させることによりそれぞれ形成した1つ以上の金属層より成る一体化金属片とした当該接点素子と
を具えるリジッド‐フレックスエレクトロニクスモジュール。 - 少なくとも1つの可撓性領域(13)であって、この可撓性領域が、可撓性薄膜(20)と、この可撓性薄膜(20)の両側の表面上にありこの可撓性薄膜(20)により支持されているこの可撓性領域(13)上に延在する導体(31;32)とを有している当該可撓性領域(13)と、
前記可撓性領域(13)の外部でこの可撓性領域に接する絶縁体層(1)であって、第1及び第2の面を有する当該絶縁体層(1)と、
この絶縁体層(1)の第1の面上の導体(22)の層と、
前記絶縁体層(1)の内部にある少なくとも1つの構成素子(6)であって、この構成素子の表面上に接点端子(7)があり、この構成素子は、前記接点端子(7)が前記絶縁体層(1)の前記第1の面上の前記導体(22)に面するように位置決めされており、前記導体(22)に接着剤層(5)により取り付けられている当該構成素子(6)と、
前記接点端子(7)と、前記絶縁体層(1)の前記第1の面上の前記導体(22)との間の導電性接続を達成する接点素子であって、これら接点素子は、化学的又は電気化学的な方法を用いて成長させることによりそれぞれ形成した1つ以上の金属層より成る一体化金属片とした当該接点素子とを具えるリジッド‐フレックスエレクトロニクスモジュールであって、
前記可撓性領域(13)の導体(31;32)は分離された導電パターン層を構成し、絶縁体層(1)の前記第1及び第2の面の間の前記絶縁体層(1)の内部に延在し、前記エレクトロニクスモジュールは、可撓性領域(13)の前記導体(31;32)を、前記絶縁体層(1)の表面上の少なくとも一つの導体(22)と電気的に接続するための貫通路(36)を備えている、リジッド‐フレックスエレクトロニクスモジュール。 - 請求項16〜18のいずれか一項に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、前記絶縁体層(1)は、構成素子(6)用の開口が開けられた繊維材料(19)の少なくとも1つの層と、この繊維材料(19)及び前記構成素子(6)に取り付けられた一体化ポリマー層とを有しているリジッド‐フレックスエレクトロニクスモジュール。
- 請求項16〜19のいずれか一項に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、このリジッド‐フレックスエレクトロニクスモジュールが、前記導体(22)と前記構成素子(6)との間にポリマー層(5)を有し、このポリマー層には、前記接点素子用の接点孔(18)が開いており、前記接点素子がこれらの接点孔(18)を完全に充填しているリジッド‐フレックスエレクトロニクスモジュール。
- 請求項20に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、前記ポリマー層(5)が、前記構成素子(6)の位置にのみ存在するように局所的なものであるリジッド‐フレックスエレクトロニクスモジュール。
- 請求項16〜21のいずれか一項に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、このリジッド‐フレックスエレクトロニクスモジュールが、前記絶縁体層(1)の前記第2の面上に導体(24)の他の層を有しているリジッド‐フレックスエレクトロニクスモジュール。
- 請求項16〜22のいずれか一項に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、前記可撓性領域(13)の前記導体(22)が前記絶縁体層(1)の前記第1の面上の導体(22)と同一の導体パターン層であるリジッド‐フレックスエレクトロニクスモジュール。
- 請求項22に記載のリジッド‐フレックスエレクトロニクスモジュールにおいて、前記可撓性領域(13)の前記導体(24)が前記絶縁体層(1)の前記第2の面上の導体(24)と同一の導体パターン層であるリジッド‐フレックスエレクトロニクスモジュール。
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