# US 2006/0215080 A1 · Technological machinery for production of polarizers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2006/0215080 A1 - Document ID: US20060215080A1 - Status: Published application - Kind: A1 - Application number: 11/435,816 - Filed: 2006-05-16 - Published: 2006-09-28 - Earliest claimed: 2000-07-11 - Assignees: Nitto Denko Corporation - Inventors: Yuri Bobrov - Web page: https://patentgrep.com/patent/US20060215080A1 ## CPC - B05C 5/0212: {only at particular parts of the articles (at particular part of web, band, strip, belt or ribbon B05C5/025)} - B05C 5/025: {only at particular part of the work (at particular part of separate articles B05C5/0212)} - B05C 11/1039: {Recovery of excess liquid or other fluent material; Controlling means therefor} - G02B 5/3016: {involving passive liquid crystal elements (optical properties of liquid crystals G02F1/0063; polarising elements associated with active liquid crystal devices G02F1/133528)} - G02B 5/3033: {in the form of a thin sheet or foil, e.g. Polaroid} - B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An apparatus for processing anisotropic films obtained from a liquid crystal solution containing at least one organic compound comprises means for holding a substrate carrying an anisotropic film and a processing facility including at least one channel or a system of connected channels, wherein the channel(s) is (are) provided with an input connected to means for supplying a working fluid and an output connected to a rarefaction or vacuum system, and at least a part of the channel(s) is open on the side of processed film. Means for moving the processing facility is provided to move the processing facility to the substrate. Means for pressing the processing facility to the surface of the anisotropic film and/or substrate is also provided. ## Claims ### Claim 1 An apparatus for processing anisotropic films, comprising: means for holding a substrate carrying an anisotropic film, a processing facility provided with at least one channel or a system of connected channels, wherein the channel or system of channels is provided with an input connected to means for supplying a working fluid and an output connected to a rarefaction or vacuum system, and at least a part of the channel or system of channels is open on the side of the film, wherein the channel or system of channels includes a plurality of extended walls surrounding the open part; and means for pressing the processing facility to the surface of the anisotropic film and/or substrate to form at least one working region or a system of working regions defined by the open part of the channel or system of channels and hermetically sealed by the plurality of the extended walls. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein a part of the processing facility contacting with the anisotropic film is made of a material selected so as to ensure a hermetic sealing of the open part of the channels with the film without damaging the film surface. ### Claim 3 (depends on 2) The apparatus according to claim 2, wherein the hermetic contact is ensured when the working fluid is of gel, liquid, or gas type. ### Claim 4 (depends on 1) The apparatus according to claim 1, wherein the channel or system of channels is connected to a working fluid dissolving the anisotropic film. ### Claim 5 (depends on 1) The apparatus according to claim 1, further comprising means for heating the substrate and/or the working fluid. ### Claim 6 (depends on 1) The apparatus according to claim 1, further comprising means for matching the processing facility to means for holding the substrate with an anisotropic film. ### Claim 7 (depends on 1) The apparatus according to claim 1, wherein the processing facility is provided with an additional input and/or output. ### Claim 8 (depends on 1) The apparatus according to claim 1, wherein at least one channel or at least a part of the system of channels are open on the side of substrate edge. ### Claim 9 (depends on 1) The apparatus according to claim 1, wherein the apparatus is suited for processing at least partly crystalline films. ### Claim 10 (depends on 1) The apparatus according to claim 1, wherein at least part of the apparatus contacting with the anisotropic film is replaceable. ### Claim 11 (depends on 1) The apparatus according to claim 1, wherein the processing facility is made replaceable. ### Claim 12 (depends on 1) The apparatus according to claim 1, wherein the input of the at least one channel or system of channels contains at least one valve for controlling a supply rate of the working fluid. ### Claim 13 (depends on 1) The apparatus according to claim 1, wherein the output of the at least one channel or system of channels contains at least one valve for controlling the degree of rarefaction in the channel or system of channels. ### Claim 14 (depends on 1) The apparatus according to claim 1, wherein the input of the at least one channel or a system of channels contains means for switching the working fluid. ### Claim 15 (depends on 1) The apparatus according to claim 1, wherein the substrate carries an anisotropic film obtained from a lyotropic liquid crystal solution containing at least one organic compound. ### Claim 16 (depends on 1) The apparatus according to claim 1, further comprising means for moving the processing facility to the substrate carrying the processed anisotropic film. ### Claim 17 (depends on 1) The apparatus according to claim 1 wherein the plurality of walls are made of an elastic material.