Polishing Pad and System with Window Support
First Claim
Patent Images
1. A polishing system, comprising:
- a polishing pad having a solid light-transmissive window;
an optical fiber having an end; and
a spacer having a vertical aperture therethrough, a bottom surface of the spacer contacting the end of the optical fiber, a top surface of the spacer contacting the underside of the window, the vertical aperture aligned with the optical fiber.
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Abstract
A polishing system includes a polishing pad having a solid light-transmissive window, an optical fiber having an end, and a spacer having a vertical aperture therethrough. A bottom surface of the spacer contacts the end of the optical fiber, a top surface of the spacer contacts the underside of the window, and the vertical aperture is aligned with the optical fiber.
27 Citations
21 Claims
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1. A polishing system, comprising:
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a polishing pad having a solid light-transmissive window; an optical fiber having an end; and a spacer having a vertical aperture therethrough, a bottom surface of the spacer contacting the end of the optical fiber, a top surface of the spacer contacting the underside of the window, the vertical aperture aligned with the optical fiber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A polishing system, comprising:
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a polishing pad having a polishing layer, a backing layer, a solid light-transmissive window in the polishing layer, and an aperture in the backing layer aligned with the window; and an optical fiber having an end, the width of the aperture in the backing layer smaller than the diameter of the optical fiber, the vertical aperture aligned with the optical fiber and a bottom surface of the backing layer contacting the end of the optical fiber.
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Specification