Mechanically integrated and closely coupled print head and mist source
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F23D-011/16
B05B-007/00
B01L-003/02
B41J-002/04
B05B-007/04
B05B-007/12
B05B-007/16
B05B-015/04
B05B-017/06
출원번호
US-0626708
(2012-09-25)
등록번호
US-9114409
(2015-08-25)
발명자
/ 주소
King, Bruce H.
Marquez, Gregory James
Renn, Michael J.
출원인 / 주소
Optomec, Inc.
대리인 / 주소
Askenazy, Philip D.
인용정보
피인용 횟수 :
1인용 특허 :
217
초록▼
A deposition apparatus comprising one or more atomizers structurally integrated with a deposition head. The entire head may be replaceable, and prefilled with material. The deposition head may comprise multiple nozzles. Also an apparatus for three dimensional materials deposition comprising a tiltab
A deposition apparatus comprising one or more atomizers structurally integrated with a deposition head. The entire head may be replaceable, and prefilled with material. The deposition head may comprise multiple nozzles. Also an apparatus for three dimensional materials deposition comprising a tiltable deposition head attached to a non-tiltable atomizer. Also methods and apparatuses for depositing different materials either simultaneously or sequentially.
대표청구항▼
1. A method for depositing multiple materials on a target, the method comprising the steps of: atomizing a first material to form a first aerosol comprising first droplets, the first droplets comprising the first material;atomizing a second material different from the first material to form a second
1. A method for depositing multiple materials on a target, the method comprising the steps of: atomizing a first material to form a first aerosol comprising first droplets, the first droplets comprising the first material;atomizing a second material different from the first material to form a second aerosol comprising second droplets, the second droplets comprising the second material;merging a first droplet stream comprising the first aerosol and a second droplet stream comprising the second aerosol to form a merged droplet stream, the merged droplet stream comprising the first droplets and the second droplets such that the first droplets and the second droplets are transported together without reacting the first material with the second material;surrounding the merged droplet stream with an annular flow of a sheath gas in a generally conical region, thereby forming a combined stream;focusing the combined stream;transporting the combined stream through a nozzle; anddepositing the first and second droplets on a target;wherein the first and second materials do not react until they are deposited on the target; andwherein the conical region is oriented to converge the combined stream toward a central axis of the apparatus prior to the depositing step. 2. The method of claim 1, wherein the atomizing steps are performed simultaneously, thereby delivering the materials to the target at a desired ratio. 3. The method of claim 1, further comprising combining the first aerosol and second aerosol in a combining chamber prior to the surrounding step, wherein the first aerosol and the second aerosol enter the combining chamber from different directions. 4. The method of claim 1, further comprising separately atomizing each material. 5. The method of claim 4, further comprising optimizing the atomization rate of each material. 6. The method of claim 1, further comprising the step of varying the amount of material in at least one of the aerosols. 7. The method of claim 1, wherein the atomizing steps comprise using atomizers of a different design for each material or using atomizers of a same design for each material. 8. The method of claim 7, further comprising controlling the relative rates of deposition of the materials by varying a carrier gas flow rate entering each atomizer. 9. The method of claim 8, further comprising continuously or intermittently varying the carrier gas flow rates. 10. The method of claim 8, further comprising controlling continuum mixing ratios by varying the carrier gas flow rates. 11. The method of claim 1, wherein at least one of the materials is selected from the group consisting of UV, thermosetting, or thermoplastic polymers, adhesives, solvents, etching compounds, metal inks, resistor, dielectric, and metal thick film pastes, proteins, enzymes, and other biomaterials, and oligonucleotides. 12. The method of claim 1, wherein the depositing step comprises forming a gradient material structure. 13. The method of claim 12, wherein the gradient structure is used for an application selected from the group consisting of gradient optics, 3D grading of a refractive index, gradient fiber optics, alloy deposition, ceramic to metal junctions, blending resistor inks on-the-fly, combinatorial drug discovery, fabrication of continuum grey scale photographs, fabrication of continuum color photographs, gradient junctions for impedance matching in RF (radio frequency) circuits, chemical reactions on a target, selective etching of electronic features, DNA fabrication on a chip, and extending the shelf life of adhesive materials. 14. An apparatus for depositing multiple materials, the apparatus comprising: a first chamber for containing a first material;a second chamber for containing a second material;a first atomizer for atomizing the first material to form a first aerosol;a second atomizer for atomizing the second material to form a second aerosol;a combining chamber for combining a first droplet stream comprising the first aerosol and a second droplet stream comprising the second aerosol to form a merged droplet stream without reacting the first material with the second material;a generally conical region for surrounding and focusing the merged droplet stream with a sheath gas, thereby forming a combined stream;a nozzle for transporting said combined stream; anda material deposition outlet;said conical region oriented to converge said combined stream toward a central axis of the apparatus prior to said material deposition outlet. 15. The apparatus of claim 14, wherein the first and second atomizers comprise different designs. 16. The apparatus of claim 14, wherein at least one of the atomizers is selected from the group consisting of ultrasonic atomizer and pneumatic atomizer. 17. The apparatus of claim 14, wherein each atomizer is selected to optimally match the atomization characteristics of the corresponding material. 18. The apparatus of claim 14, wherein said combining chamber is connected to said first atomizer via a first passage and said combining chamber is connected to said second atomizer via a second passage, said passages configured such that the first aerosol and the second aerosol enter said combining chamber from different directions. 19. The apparatus of claim 15, wherein at least one of the aerosols enters and exits said combining chamber from the same direction. 20. A method for depositing multiple materials on a target, the method comprising the steps of: atomizing a first material to form a first aerosol;surrounding and focusing the first aerosol with an annular flow of a sheath gas in a generally conical region to form a first combined stream;transporting the first combined stream through a nozzle;depositing the first aerosol on a target;atomizing a second material to form a second aerosol;surrounding and focusing the second aerosol with the annular flow of a sheath gas in a generally conical region to form a second combined stream;transporting the second combined stream through a nozzle; anddepositing the second aerosol on the target;wherein the first and second materials do not mix or react until they are deposited on the target; andwherein the conical region is oriented to converge each combined stream toward a central axis of the apparatus prior to the corresponding depositing step. 21. The method of claim 20, wherein the atomizing steps are performed sequentially. 22. The method of claim 20, wherein the first and second materials are deposited at the same location on the target, thereby forming a composite structure. 23. The method of claim 20, wherein the first and second materials are deposited at different locations on the target, thereby forming multiple structures on a same layer of the target.
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