JP6244450B2 - 改善された導電率を有する高周波数導電体 - Google Patents
改善された導電率を有する高周波数導電体 Download PDFInfo
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- JP6244450B2 JP6244450B2 JP2016508010A JP2016508010A JP6244450B2 JP 6244450 B2 JP6244450 B2 JP 6244450B2 JP 2016508010 A JP2016508010 A JP 2016508010A JP 2016508010 A JP2016508010 A JP 2016508010A JP 6244450 B2 JP6244450 B2 JP 6244450B2
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- 239000004020 conductor Substances 0.000 title claims description 50
- 239000000463 material Substances 0.000 claims description 62
- 125000006850 spacer group Chemical group 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 230000005669 field effect Effects 0.000 claims description 6
- 229910000510 noble metal Inorganic materials 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 235000020354 squash Nutrition 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 238000005530 etching Methods 0.000 description 8
- 210000003491 skin Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 229910002704 AlGaN Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000002500 effect on skin Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Description
a)前記ベース材料の、電流方向に対して垂直に、少なくとも二つのセグメントへの分割であり、該セグメントは、導電性のスペーサーによって離間されており、並びに電気的かつ機械的に相互に結合されている、該分割、及び/又は
b)前記ベース材料の表面中又は表面上のトポログラフィー構造、及び/又は
c)前記ベース材料の造形に対する前記ベース材料の少なくとも一部の内部多孔率であり、その際、それぞれの特徴は除外されている、該内部多孔率、
によって高められる。
Claims (11)
- 少なくとも一つの導電性ベース材料を含む高周波導電体において、
その際、該ベース材料の、電流の効力が及ぶ外側表面及び内側表面の面積の、該ベース材料の全体積に対する割合が、前記ベース材料の、電流方向に対して垂直に、少なくとも二つのセグメントへの分割であり、該セグメントは、導電性のスペーサーによって離間されており、並びに電気的かつ機械的に相互に結合されており、前記ベース材料の造形に対しており、その際、この分割は排除されている、該分割によって高められる、高周波導電体であって、
− 前記スペーサーが、エッチャントが攻撃可能な材料からなり、前記ベース材料は該エッチャントに耐性であり、そして
− 少なくとも一つのセグメントが、いずれの電流の方向に対しても垂直な方向において、前記ベース材料の、最大作用周波数における表皮の厚さの2倍と、前記ベース材料の、最低作用周波数における表皮の厚さの2.5倍との間の大きさを有することを特徴とする、上記の高周波導電体。 - 前記スペーサーの材料が、第3主族又は第4主族、又は遷移金属からの金属であるか、あるいは、そのような金属を合金成分として含有するものであることを特徴とする、請求項1に記載の高周波導電体。
- 前記スペーサーの材料が、群(Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn)に属するか又はこの群からの少なくとも一つの金属を合金の成分として含有することを特徴とする、請求項2に記載の高周波導電体。
- 前記ベース材料が、炭素又は貴金属又は半貴金属であるか、又はこの群からの少なくとも一つの金属を合金の成分として含有することを特徴とする、請求項1〜3のいずれか一つに記載の高周波導電体。
- 前記ベース材料が、群(Ru、Rh、Pd、Ag、Os、Ir、Pt、Au)に属するか、又はこの群からの少なくとも一つの金属を合金の成分として含有する、請求項1〜4のいずれか一つに記載の高周波導電体。
- トランジスターの制御電極として形成されることを特徴とする、請求項1〜5のいずれか一つに記載の高周波導電体。
- 電界効果トランジスターのゲート電極として形成されることを特徴とする、請求項6に記載の高周波導電体。
- ゲートの長さを画定する導電性のスペーサーを介して半導体の電界効果トランジスターに接続されていることを特徴とする、請求項7に記載の高周波導電体。
- 光検出装置の集電極又は導出電極として構成されることを特徴とする、請求項1〜8のいずれか一つに記載の高周波導電体。
- 請求項1〜9のいずれか一つに記載の高周波導電体を製造する方法であって、前記スペーサーの材料からなる層、及び前記ベース材料からなる層が交互に重なった層を基板上に成長させ、そしてその層のスタックを次いで、前記スペーサーを等方的にエッチングし、そしてそれと同時に該基板も該ベース材料も攻撃しないエッチャントに曝すことを特徴とする、上記の方法。
- 希釈可能なエッチャントが選択されることを特徴とする、請求項10に記載の方法。
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