Method for fabricating an optical device using a treated surface
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02B-006/12
G02B-006/138
G02B-006/13
B05D-005/06
B05D-003/00
G02B-006/02
G02B-006/122
B33Y-010/00
B33Y-040/00
B33Y-080/00
출원번호
US-0278158
(2014-05-15)
등록번호
US-9581763
(2017-02-28)
발명자
/ 주소
Peltz, Leora
출원인 / 주소
THE BOEING COMPANY
대리인 / 주소
Yee & Associates, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
A method and apparatus for forming an optical device on a substrate. A surface of the substrate may be treated to form a treated surface having a number of modified properties. A plurality of drops of material may be deposited onto the treated surface of the substrate to form the optical device. An
A method and apparatus for forming an optical device on a substrate. A surface of the substrate may be treated to form a treated surface having a number of modified properties. A plurality of drops of material may be deposited onto the treated surface of the substrate to form the optical device. An adhesion between the plurality of drops and the treated surface of the substrate may be reduced by the number of modified properties of the treated surface such that the plurality of drops form an optical device having a lateral resolution below a selected threshold.
대표청구항▼
1. A method for forming an optical device on a substrate, the method comprising: treating a surface of the substrate to form a treated surface having a number of modified properties;depositing a plurality of drops of material onto the treated surface of the substrate to form the optical device; andr
1. A method for forming an optical device on a substrate, the method comprising: treating a surface of the substrate to form a treated surface having a number of modified properties;depositing a plurality of drops of material onto the treated surface of the substrate to form the optical device; andreducing an adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the plurality of drops form the optical device having a lateral resolution below a selected threshold,wherein reducing the adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface comprises:reducing the adhesion between a drop in the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the drop has a contact angle with the treated surface that is greater than about 90 degrees. 2. The method of claim 1, wherein reducing the adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface comprises: reducing the adhesion between a drop in the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the drop has a shape that is more rounded than flattened. 3. The method of claim 1, wherein reducing the adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface comprises: reducing the adhesion between a drop in the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the drop has a width that is less than two times a height of the drop. 4. The method of claim 1, wherein reducing the adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface comprises: reducing the adhesion between a drop in the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the drop has a width substantially equal to a selected lateral resolution for the optical device. 5. The method of claim 1, wherein treating the surface of the substrate comprises: treating the surface of the substrate by at least one of mechanically, thermally, or chemically treating the surface of the substrate to form the treated surface, wherein the substrate is selected to reduce undesired optical signal loss from the optical device formed on the treated surface to surroundings of the optical device and the substrate. 6. The method of claim 1, wherein depositing the plurality of drops of the material onto the treated surface of the substrate comprises: depositing the plurality of drops of the material onto the treated surface of the substrate to form the optical device, wherein the optical device is selected from one of an optical waveguide, an optical resonator, and a photonic circuit. 7. The method of claim 1 further comprising: applying a coating over the plurality of drops of the material and at least a portion of the treated surface of the substrate to secure the plurality of drops to the treated surface. 8. The method of claim 1, wherein treating the surface of the substrate comprises: roughening a texture of the surface of the substrate to form the treated surface having a roughened texture. 9. The method of claim 1, wherein treating the surface of the substrate comprises: reducing a wettability of the surface of the substrate to form the treated surface having a reduced wettability such that the adhesion between the plurality of drops and the treated surface is reduced to below a selected adhesion threshold. 10. A method for forming an optical device, the method comprising: treating a portion of a surface to form a treated surface;depositing a plurality of drops of a material onto the treated surface to form the optical device; andreducing flattening of the plurality of drops deposited on the treated surface,wherein reducing the flattening of the plurality of drops comprises:reducing the adhesion between a drop in the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the drop has a contact angle with the treated surface that is greater than about 90 degrees. 11. The method of claim 10, wherein reducing the flattening of the plurality of drops comprises: reducing a surface tension between the treated surface and the plurality of drops to reduce the flattening of the plurality of drops deposited on the treated surface. 12. The method of claim 10 further comprising: applying a coating over the optical device and at least a portion of the treated surface to secure the optical device to the treated surface, wherein the coating adheres to the at least a portion of the treated surface to encapsulate the optical device. 13. The method of claim 10, wherein depositing the plurality of drops of the material onto the treated surface comprises: depositing the plurality of drops of the material onto the treated surface in which the material is selected such that the material has a cohesion that causes the optical device formed on the treated surface to be one of a corrugated optical device and a ribbontype optical device. 14. The method of claim 10, wherein reducing the flattening of the plurality of drops on the treated surface by reducing the surface tension between the treated surface and the plurality of drops comprises: reducing the flattening of the plurality of drops on the treated surface by reducing the surface tension between the treated surface and the plurality of drops such that the optical device has a desired height and a desired width. 15. The method of claim 10, wherein reducing the flattening of the plurality of drops on the treated surface by reducing the surface tension between the treated surface and the plurality of drops comprises: reducing the flattening of the plurality of drops on the treated surface by reducing the surface tension between the treated surface and the plurality of drops such that adhesion between the treated surface and the plurality of drops is reduced. 16. The method of claim 15, wherein treating the portion of the surface comprises: treating the portion of the surface to modify a number of properties of the portion of the surface to form the treated surface having a number of modified properties, wherein the number of modified properties reduce adhesive forces exerted by the treated surface on the plurality of drops to reduce the surface tension between the treated surface and the plurality of drops such that the adhesion between the treated surface and the plurality of drops is reduced. 17. A method for forming an optical device having a lateral resolution below a selected threshold, the method comprising: treating, at least one of mechanically, thermally, or chemically, a surface of a substrate to form a treated surface having a number of modified properties in which the number of modified properties includes at least one of a roughened texture or a reduced wettability;depositing a plurality of drops of material onto the treated surface of the substrate to form the optical device;reducing an adhesion between the plurality of drops and the treated surface of the substrate by the number of modified properties of the treated surface such that the optical device formed by the plurality of drops has the lateral resolution below the selected threshold and such that a drop in the plurality of drops has a shape that is more rounded than flattened, a width that is less than two times a height of the drop, and a contact angle between the drop and the treated surface that is greater than about 90 degrees; andapplying a coating over the plurality of drops of the material and at least a portion of the treated surface of the substrate to secure the optical device formed by the plurality of drops to the treated surface. 18. The method of claim 1, wherein the lateral resolution is a smallest linear separable and measurable feature of the optical device. 19. The method of claim 18, wherein the lateral resolution comprises about 8 micrometers or less. 20. The method of claim 10, wherein reducing flattening of the plurality of drops deposited on the treated surface is used to control a lateral resolution of the optical device to be less than a threshold. 21. The method of claim 20, wherein the lateral resolution comprises about 8 micrometers or less. 22. The method of claim 17, wherein the lateral resolution is a smallest linear separable and measurable feature of the optical device. 23. The method of claim 22, wherein the lateral resolution comprises about 8 micrometers or less.
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