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发明授权
US07944782B2 90°-bent metallic waveguide having tapered c-shaped aperture, method of fabricating the waveguide, light delivery module including the waveguide, and heat assisted magnetic recording head having the waveguide 有权
具有锥形c形孔的90°金属波导，制造波导的方法，包括波导的光输送模块和具有波导的热辅助磁记录头

90°-bent metallic waveguide having tapered c-shaped aperture, method of fabricating the waveguide, light delivery module including the waveguide, and heat assisted magnetic recording head having the waveguide
摘要：
A metallic wave guide and a light delivery module are provided. The metallic waveguide includes a metal body formed of a conductive metal and having an aperture formed therethrough, the aperture having input and output ends. The aperture has a bent portion for changing a light traveling direction between the input and output ends, and a tapered portion between the bent portion and the output end. The tapered portion has a width that is gradually reduced toward the output end, and the aperture is formed in a C-shape by a ridge formed on an inner surface of the metal body.
摘要（中）：

提供金属波导和光输送模块。 金属波导包括由导电金属形成并具有穿过其形成的孔的金属体，该孔具有输入和输出端。 孔具有用于改变输入和输出端之间的光行进方向的弯曲部分，以及弯曲部分和输出端之间的锥形部分。 锥形部分的宽度朝向输出端逐渐减小，并且通过形成在金属体的内表面上的脊形成为C形。

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