Method of fabricating a hinge
First Claim
1. A method of forming a hinge, comprising:
- providing a wafer comprising a first surface and a second surface, the wafer defining at least a hinge region and at least two through regions, the two through regions being respectively positioned on two sides of the hinge region;
removing parts of the wafer in the hinge region from the first surface of the wafer;
removing the wafer in the two through regions from the second surface of the wafer until the wafer is removed through to the first surface so as to form a hinge, wherein the hinge and the wafer are monolithically-formed;
performing a wafer level test on the wafer; and
etching the wafer after the wafer level test so as to adjust a geometric shape of the hinge according to a test datum of the wafer level test.
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Accused Products
Abstract
The present invention provides a method of fabricating a hinge. First, a wafer is provided, and a hinge region and at least two through regions are defined on the wafer. The wafer in the hinge region is partially removed from a bottom surface of the wafer. Subsequently, the wafer in the through regions is completely removed from a top surface of the wafer, and the hinge is formed. Thereafter, a wafer level test is performed on the hinge of the wafer. Next, an etching process is performed to adjust the shape of the hinge. According to the method of the present invention, the thickness of the hinge is no longer limited by the thickness of the wafer, and the hinge can accept the wafer level test.
3 Citations
14 Claims
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1. A method of forming a hinge, comprising:
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providing a wafer comprising a first surface and a second surface, the wafer defining at least a hinge region and at least two through regions, the two through regions being respectively positioned on two sides of the hinge region; removing parts of the wafer in the hinge region from the first surface of the wafer; removing the wafer in the two through regions from the second surface of the wafer until the wafer is removed through to the first surface so as to form a hinge, wherein the hinge and the wafer are monolithically-formed; performing a wafer level test on the wafer; and etching the wafer after the wafer level test so as to adjust a geometric shape of the hinge according to a test datum of the wafer level test. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14)
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12. The method as claimed in 1, wherein the step of adjusting the geometric shape of the hinge changes a thickness of the hinge.
Specification