Source: http://www.google.com/patents/US8231202?dq=5787449
Timestamp: 2013-12-05 09:05:12
Document Index: 375485909

Matched Legal Cases: ['Application No. 200580017004', 'application No. 200580017004', 'application No. 2005800201298', 'application No. 05745034', 'application No. 200580019821', 'Application No. 2005800201298', 'Application No. 05745034', 'Application No. 200580019821', 'Application No. 10', 'Application No. 10', 'Application No. 10', 'application No. 200580020129', 'application No. 05745124', 'application No. 2007', 'application No. 2007', 'application No. 2007', 'application No. 2007']

Patent US8231202 - Droplet ejection apparatus alignment - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Advanced Patent Search | Sign inAdvanced Patent SearchPatentsIn general, in a first aspect, the invention features assemblies for mounting a printhead module in an apparatus for depositing droplets on a substrate. The assemblies include a frame having an opening extending through the frame and configured to expose a surface of the printhead module mounted in the...http://www.google.com/patents/US8231202?utm_source=gb-gplus-sharePatent US8231202 - Droplet ejection apparatus alignmentPublication numberUS8231202 B2Publication typeGrantApplication numberUS 11/118,704Publication dateJul 31, 2012Filing dateApr 29, 2005Priority dateApr 30, 2004Also published asCN1980795A, CN1980795B, CN1984780A, CN1984780B, EP1747098A2, EP1748895A1, EP1748895B1, US7665815, US7673969, US20050270329, US20050280678, US20080211872, WO2005108094A1, WO2005108095A2, WO2005108095A3Publication number11118704, 118704, US 8231202 B2, US 8231202B2, US-B2-8231202, US8231202 B2, US8231202B2InventorsAndreas Bibl, John A. Higginson, Alan Menard, Sandra GravesonOriginal AssigneeFujifilm Dimatix, Inc.Patent Citations (102), Non-Patent Citations (40), Classifications (24), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetDroplet ejection apparatus alignmentUS 8231202 B2Abstract In general, in a first aspect, the invention features assemblies for mounting a printhead module in an apparatus for depositing droplets on a substrate. The assemblies include a frame having an opening extending through the frame and configured to expose a surface of the printhead module mounted in the assembly, and a spring element adapted to spring load the printhead module against an edge of the opening when the printhead module is mounted in the assembly.
1. An assembly for mounting a printhead module in an apparatus for depositing droplets on a substrate, the printhead module having a surface including orifices from which the droplets are ejected, the assembly comprising:
a frame having an opening defined in a surface of the frame, the opening permitting the surface of the printhead module that is to be mounted on the frame to be exposed for depositing the droplets on the substrate, the surface of the frame extending in a plane parallel to the to-be-exposed surface of the printhead module;
a spring element adapted to spring load the printhead module against an edge of the opening in the frame when the printhead module is mounted in the assembly, the spring element being located in the opening; and
an alignment datum formed on an edge of the opening on a side opposite of the spring element for positioning the printhead module at a specific position with respect to the frame along an axis, the alignment datum and spring element being fixed relative to the frame, not operable to move the module, and in contact with the printhead module when the printhead module is mounted in the assembly.
2. The assembly of claim 1, wherein the surface of the printhead module comprises an array of nozzles through which droplets are ejected and the spring element is adapted to spring load the printhead module against the frame by applying a mechanical force to the printhead module in a direction orthogonal to a droplet ejection direction.
5. The assembly of claim 4, wherein the plate comprises metal.
6. The assembly of claim 5, wherein the plate comprises stainless steel.
7. The assembly of claim 5, wherein the plate comprises invar.
8. The assembly of claim 5, wherein the plate comprises alumina.
9. The assembly of claim 4, wherein the flexure is attached to the plate by a fastener.
11. The assembly of claim 10, wherein the frame comprises a plate and the coiled spring is attached to the plate.
12. The assembly of claim 1, wherein the alignment datum comprises a precision surface that contacts the printhead module when the printhead module is mounted in the assembly.
13. The assembly of claim 12, wherein the precision surface is offset from other portions of the edge of the opening.
14. The assembly of claim 1, wherein the frame further comprises one or more additional openings extending through the frame, each opening being configured to receive a corresponding printhead module.
15. The assembly of claim 14, further comprising one or more additional spring elements each corresponding to the one or more additional openings and each being adapted to spring load the corresponding printhead module against an edge of the respective opening when the corresponding printhead module is mounted in the assembly.
16. The assembly of claim 1, further comprising the printhead module.
17. A droplet deposition system, comprising: the assembly of claim 16; and a substrate carrier configured to position the substrate relative to the assembly so that the printhead module can deposit droplets onto the substrate.
18. The assembly of claim 16, wherein the printhead module comprises an alignment datum that corresponds with the alignment datum on the frame.
19. The assembly of claim 16, wherein the assembly also comprises an additional printhead module and the printhead module comprises an alignment datum for precisely positioning the printhead module with respect to the additional printhead module.
20. The assembly of claim 1, wherein the edge of the opening in the frame comprises a plurality of alignment datums that correspond with a plurality of alignment datums on a printhead module.
21. The assembly of claim 1, wherein the alignment datum registers the printhead module along the axis.
22. The assembly of claim 1, wherein the alignment datum comprises at least one of a planar surface, a bored hole, a post, a protrusion, and a recess.
a frame having an opening defined in a surface of the frame, the opening permitting a surface, of a printhead module that is to be mounted on the frame, to be exposed for depositing droplets from orifices at the surface of the printhead module onto a substrate, the surface of the frame extending in a plane parallel to the to-be-exposed surface of the printhead module;
a spring element, located in the opening, to spring load the printhead module against an edge of the opening in the surface of the frame; and
an alignment datum, on an edge of the opening on a side of the opening opposite the spring element, for positioning the printhead module at a specific position with respect to the frame along an axis, the alignment datum and spring element being fixed relative to the frame, not operable to move the module, and in contact with the printhead module when the printhead module is mounted.
24. The assembly of claim 23, wherein the spring element comprises a flexure.
25. The assembly of claim 24, wherein the flexure is formed in the frame.
26. The assembly of claim 23, wherein the spring element is attached to the frame by a fastener.
27. The assembly of claim 23, wherein the alignment datum comprises a precision surface that contacts the printhead module when the printhead module is mounted in the assembly.
28. The assembly of claim 27, wherein the precision surface is offset from other portions of the edge of the opening.
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No. 60/566,729, Apr. 30, 2004, von Essen et al.Classifications U.S. Classification347/37, 347/49International ClassificationB41J2/515, B41J23/00, B41J2/175, B41J2/165, B41J2/145, B41J2/21, B41J2/16, B41J2/245, B41J25/34, B41J2/14, B41J2/155Cooperative ClassificationB41J2202/21, B41J2202/20, B41J2/2135, B41J2/2103, B41J2/155, B41J25/34, B41J2202/14European ClassificationB41J25/34, B41J2/155, B41J2/21A, B41J2/21D1Legal EventsDateCodeEventDescriptionJan 31, 2007ASAssignmentOwner name: FUJIFILM DIMATIX, INC., NEW HAMPSHIREFree format text: CHANGE OF NAME;ASSIGNOR:DIMATIX, INC.;REEL/FRAME:018834/0595Effective date: 20060725Owner name: FUJIFILM DIMATIX, INC.,NEW HAMPSHIREFree format text: CHANGE OF NAME;ASSIGNOR:DIMATIX, INC.;US-ASSIGNMENT DATABASE UPDATED:20100302;REEL/FRAME:18834/595Free format text: CHANGE OF NAME;ASSIGNOR:DIMATIX, INC.;US-ASSIGNMENT DATABASE UPDATED:20100223;REEL/FRAME:18834/595Free format text: CHANGE OF NAME;ASSIGNOR:DIMATIX, INC.;US-ASSIGNMENT DATABASE UPDATED:20100323;REEL/FRAME:18834/595Free format text: CHANGE OF NAME;ASSIGNOR:DIMATIX, INC.;US-ASSIGNMENT DATABASE UPDATED:20100525;REEL/FRAME:18834/595Aug 30, 2005ASAssignmentOwner name: DIMATIX, INC., NEW HAMPSHIREFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BIBL, ANDREAS;HIGGINSON, JOHN A.;MENARD, ALAN;AND OTHERS;REEL/FRAME:016690/0549;SIGNING DATES FROM 20050720 TO 20050726Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BIBL, ANDREAS;HIGGINSON, JOHN A.;MENARD, ALAN;AND OTHERS;SIGNING DATES FROM 20050720 TO 20050726;REEL/FRAME:016690/0549Jun 20, 2005ASAssignmentOwner name: DIMATIX, INC., NEW HAMPSHIREFree format text: CHANGE OF NAME;ASSIGNOR:SPECTRA, INC.;REEL/FRAME:016361/0929Effective date: 20050502Owner name: DIMATIX, INC.,NEW HAMPSHIREFree format text: CHANGE OF NAME;ASSIGNOR:SPECTRA, INC.;US-ASSIGNMENT DATABASE UPDATED:20100223;REEL/FRAME:16361/929Free format text: CHANGE OF NAME;ASSIGNOR:SPECTRA, INC.;US-ASSIGNMENT DATABASE UPDATED:20100323;REEL/FRAME:16361/929Free format text: CHANGE OF NAME;ASSIGNOR:SPECTRA, INC.;US-ASSIGNMENT DATABASE UPDATED:20100525;REEL/FRAME:16361/929RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google