Mirror package and method of manufacturing the mirror package
First Claim
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1. A method of manufacturing a mirror package in a mirror structure, the method comprising:
- providing a silicon wafer;
forming an inlet, through which a laser is able to pass from the outside, and an outlet, through which the laser is able to be emitted to the outside, by anisotropic etching of the silicon wafer; and
forming a wafer module by combining the silicon wafer, a glass wafer made of a transparent material, and a mirror wafer formed with the mirror structure, so that the glass wafer combines with a surface of the silicon wafer where the inlet and the outlet are substantially formed, and the glass wafer is disposed between the silicon wafer and the mirror wafer,wherein a width of the surface of the inlet that combines with the glass wafer is larger than a width of an opposite surface of the inlet, and a width of the surface of the outlet that combines with the glass wafer is larger than a width of an opposite surface of the outlet.
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Abstract
A mirror package is provided which can reflect a laser to an external screen according to a video signal when the laser enters from outside, and a method of manufacturing the mirror package. The mirror is packaged with a glass to protect from external contamination, an inlet and an outlet are formed by, for example, an anisotropic etching on the glass and blocks a reflected light reflected from the glass. The mirror package is formed as a set, combined on a wafer using a wafer level package and diced to individual chips. Subsequently, a productivity is improved and a ghost image or phenomenon is removed.
18 Citations
9 Claims
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1. A method of manufacturing a mirror package in a mirror structure, the method comprising:
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providing a silicon wafer; forming an inlet, through which a laser is able to pass from the outside, and an outlet, through which the laser is able to be emitted to the outside, by anisotropic etching of the silicon wafer; and forming a wafer module by combining the silicon wafer, a glass wafer made of a transparent material, and a mirror wafer formed with the mirror structure, so that the glass wafer combines with a surface of the silicon wafer where the inlet and the outlet are substantially formed, and the glass wafer is disposed between the silicon wafer and the mirror wafer, wherein a width of the surface of the inlet that combines with the glass wafer is larger than a width of an opposite surface of the inlet, and a width of the surface of the outlet that combines with the glass wafer is larger than a width of an opposite surface of the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of manufacturing a mirror package in a mirror structure, the method comprising:
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providing a silicon wafer; forming an inlet, through which a laser is able to pass from the outside, and an outlet, through which the laser is able to be emitted to the outside, by anisotropic etching of the silicon wafer; forming a wafer module by combining the silicon wafer, a glass wafer made of a transparent material, and a mirror wafer formed with the mirror structure, so that the glass wafer combines with a surface of the silicon wafer where the inlet and the outlet are substantially formed, and the glass wafer is disposed between the silicon wafer and the mirror wafer; and forming the inlet and the outlet on each of a plurality of silicon wafers, and arranging the silicon wafers such that the respective inlets overlap each other and the respective outlets overlap each other, wherein a size of the inlets formed on the respective silicon wafers decreases as a distance from the glass wafer increases, and a size of the outlets formed on the respective silicon wafers decreases as a distance from the glass wafer increases.
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9. A method of manufacturing a mirror package in a mirror structure, the method comprising:
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providing a silicon wafer; forming an inlet, through which a laser is able to pass from the outside, and an outlet, through which the laser is able to be emitted to the outside, by anisotropic etching of the silicon wafer; forming a wafer module by combining the silicon wafer, a glass wafer made of a transparent material, and a mirror wafer formed with the mirror structure, so that the glass wafer combines with a surface of the silicon wafer where the inlet and the outlet are substantially formed, and the glass wafer is disposed between the silicon wafer and the mirror wafer; and forming the inlet and the outlet on each of a plurality of silicon wafers, and arranging the silicon wafers such that the respective inlets overlap each other and the respective outlets overlap each other, wherein each of the inlets and outlets is formed by a dry etching, such that a size of the inlets formed on the respective silicon wafers decreases as a distance from the glass wafer increases, and a size of the outlets formed on the respective silicon wafers decreases as a distance from the glass wafer increases.
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Specification