JP7044441B2 - 装飾部材およびその製造方法 - Google Patents
装飾部材およびその製造方法 Download PDFInfo
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- JP7044441B2 JP7044441B2 JP2019564171A JP2019564171A JP7044441B2 JP 7044441 B2 JP7044441 B2 JP 7044441B2 JP 2019564171 A JP2019564171 A JP 2019564171A JP 2019564171 A JP2019564171 A JP 2019564171A JP 7044441 B2 JP7044441 B2 JP 7044441B2
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Description
反応性スパッタリング蒸着を利用して、下記表3の厚さを有するアルミニウム酸窒化物光吸収層を、非対称プリズム(パターン基材)および青色プライマー(Blue Primer)が適用されたカラーPETフィルム上に製造した。ベース圧力(Base Pressure)3×10-6Torr、工程圧3mTorrの真空条件下で蒸着工程を進行させ、Arガスは100sccmに調節し、反応性ガスN2は、下記表3のように調節した。反応性ガス分圧区間は8~14%である。光吸収層の蒸着後、光反射層であるインジウム(In)の場合、工程圧は同一に適用し、非反応性蒸着工程を用いて(Ar100%)厚さ30nmの蒸着を進行させた。実施例1~3の光反射層であるインジウム層は、面抵抗の測定時、Over Range(5000Vで1ギガオーム/□超過で、装備の測定範囲を超える)であった。面抵抗は、4-point probe方式により、公知の面抵抗器を用いて実施例の光反射層に対して面抵抗を測定した。全体積層体の面抵抗は並列連結であるため、低い面抵抗を有する反射層の抵抗によって決定される。具体的には、面抵抗の測定は、Hirestaの測定装備MCP-HT450、ASP PROVEで測定した。
実施例1と同様の方法で表3のような組成および厚さの光吸収層を蒸着した後、インジウム(In)の代わりにアルミニウム(Al)を用いて、実施例1の工程と同様に100nmの厚さ蒸着して光反射層(面抵抗0.4Ω/□)を形成した。
光反射層の形成時、N2を微量添加して面抵抗20Ω/□以上の連続膜層であるAlON層を導入したことを除けば、比較例1と同様に実施した。
実施例1と同様の方法で表3のような組成および厚さの光吸収層を蒸着した後、光反射層形成のために炭素複合体成分のブラックインク(Black Ink)光遮蔽印刷を進行させることにより、面抵抗109ohm/sq以上の積層体を製造した。前記印刷によって得られた層の反射率は約5%であって、光反射体の役割を果たした。
K-Alpha、Thermo Fisher Scientific Inc
X-ray source:monochromatic Al Kα(1486.6eV)、
X-ray spot size:300μm
Ar ion etching:monatomic(1000eV、high、Raster width:1.5mm、sputter rate:0.18nm/s)
Operation mode:CAE(Constant Analyzer Energy)mode
Charge compensation:default FG03 mode(250μA、1V)
Claims (15)
- 光反射層と、前記光反射層上に備えられた光吸収層とを含み、前記光反射層の面抵抗が20オーム/スクエア以上であり、
前記光反射層は前記光吸収層よりも反射率が高く、
前記光吸収層の上面は、コーン(cone)形態の突出部または溝部を有するパターン、最高点が線形態の突出部または最低点が線形態の溝部を有するパターン、またはコーン形態の上面が切り取られた構造の突出部または溝部を有するパターンを含むものであり、
前記光吸収層は、厚さが異なる2以上の地点を含むものである、装飾部材。 - 光反射層と、前記光反射層上に備えられた光吸収層とを含み、前記光反射層の面抵抗が20オーム/スクエア以上であり、
前記光反射層は前記光吸収層よりも反射率が高く、
前記光吸収層の上面は、コーン(cone)形態の突出部または溝部を有するパターン、最高点が線形態の突出部または最低点が線形態の溝部を有するパターン、またはコーン形態の上面が切り取られた構造の突出部または溝部を有するパターンを含むものであり、
前記光吸収層は、上面が傾斜角度0度超過90度以下の傾斜面を有する領域を1つ以上含み、前記光吸収層は、いずれか1つの傾斜面を有する領域における厚さと異なる厚さを有する領域を1つ以上含むものである、装飾部材。 - 光反射層と、前記光反射層上に備えられた光吸収層とを含み、前記光反射層の面抵抗が20オーム/スクエア以上であり、
前記光反射層は前記光吸収層よりも反射率が高く、
前記光吸収層の上面は、コーン(cone)形態の突出部または溝部を有するパターン、またはコーン形態の上面が切り取られた構造の突出部または溝部を有するパターンを含むものである、装飾部材。 - 前記光反射層の面抵抗が1ギガオーム/スクエア以上である、請求項1から3のいずれか一項に記載の装飾部材。
- 前記光反射層の材料は、2×10-4オーム*cm以上の比抵抗を有するものである、請求項1から4のいずれか一項に記載の装飾部材。
- 前記光反射層は、インジウム(In)、チタン(Ti)、スズ(Sn)、シリコン(Si)、ゲルマニウム(Ge)、アルミニウム(Al)、銅(Cu)、ニッケル(Ni)、バナジウム(V)、タングステン(W)、タンタル(Ta)、モリブデン(Mo)、ネオジム(Nb)、鉄(Fe)、クロム(Cr)、コバルト(Co)、金(Au)および銀(Ag)の中から選択される1種または2種以上の材料、その酸化物、窒化物または酸窒化物、炭素および炭素複合体のうちの1種または2種以上の材料を含む単一層または多層である、請求項1から5のいずれか一項に記載の装飾部材。
- 前記光反射層の前記光吸収層に対向する面の反対面;前記光反射層と前記光吸収層との間;または前記光吸収層の前記光反射層に対向する面の反対面に備えられたカラーフィルムが備えられたものである、請求項1から6のいずれか一項に記載の装飾部材。
- 前記光吸収層の前記光反射層に対向する面の反対面に基材が追加的に備えられ、前記カラーフィルムは、前記光吸収層と前記基材との間、または前記基材の前記光吸収層に対向する面の反対面に備えられるか、前記光反射層と前記光吸収層との間、または前記光反射層の前記光吸収層に対向する面の反対面に備えられるものである、請求項7に記載の装飾部材。
- 前記光吸収層は、△E*ab>1の二色性を有するものである、請求項1から8のいずれか一項に記載の装飾部材。
- 前記コーン形態の突出部または溝部を有するパターンは、前記コーン形態のパターンを上面から観察した時、コーンの頂点を基準として360度回転時、同一の形態が2個以下存在するものである、請求項9に記載の装飾部材。
- 前記最高点が線形態の突出部または最低点が線形態の溝部を有するパターンは、上面から観察した時、重心点を基準として360度回転時、同一の形態が1個しか存在しないものである、請求項1または2に記載の装飾部材。
- 前記光吸収層は、400nmにおける屈折率が0~8である、請求項1から11のいずれか一項に記載の装飾部材。
- 前記光吸収層は、400nmにおける消滅係数が0超過4以下である、請求項1から12のいずれか一項に記載の装飾部材。
- 前記光吸収層は、インジウム(In)、チタン(Ti)、スズ(Sn)、シリコン(Si)、ゲルマニウム(Ge)、アルミニウム(Al)、銅(Cu)、ニッケル(Ni)、バナジウム(V)、タングステン(W)、タンタル(Ta)、モリブデン(Mo)、ネオジム(Nb)、鉄(Fe)、クロム(Cr)、コバルト(Co)、金(Au)および銀(Ag)の中から選択される1種または2種以上の材料、またはその酸化物、窒化物または酸窒化物を含む単一層または多層である、請求項1から13のいずれか一項に記載の装飾部材。
- 前記装飾部材は、デコフィルムまたはモバイル機器のケースである、請求項1~14のいずれか1項に記載の装飾部材。
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