# US 2014/0150967 A1 · Method of manufacturing translucent rigid substrate laminate and translucent rigid substrate bonding apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150967 A1 - Document ID: US20140150967A1 - Status: Published application - Kind: A1 - Application number: 14/233,025 - Filed: 2012-07-13 - Published: 2014-06-05 - Earliest claimed: 2011-07-15 - Assignees: Denki Kagaku Kogyo Kabushiki Kaisha - Inventors: Hiroyuki Kurimura - Web page: https://patentgrep.com/patent/US20140150967A1 ## CPC - B32B 7/06: permitting easy separation - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 17/10045: {with at least one intermediate layer consisting of a glass sheet} - B32B 17/10706: {being photo-polymerized} - B32B 17/1099: {After-treatment of the layered product, e.g. cooling} - B32B 37/00: Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding - B32B 37/0076: {characterised in that the layers are not bonded on the totality of their surfaces} - B32B 37/12: characterised by using adhesives - B32B 37/14: characterised by the properties of the layers - C09D 4/00: Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16} - C09D 133/06: of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical - C09D 133/066: {containing -OH groups} - C09D 133/14: of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen - C09J 5/00: Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers - B32B 2038/0076: {Curing, vulcanising, cross-linking} - B32B 2250/05: 5 or more layers - B32B 2307/414: Translucent - B32B 2310/0837: using actinic light - B32B 2315/08: Glass - C08F 222/102: {of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate} - C08L 2312/06: by radiation - C09J 2301/416: use of irradiation - C09J 2433/00: Presence of (meth)acrylic polymer - Y10T 156/1111: Using solvent during delaminating [e.g., water dissolving adhesive at bonding face during delamination, etc.] - Y10T 156/1153: Temperature change for delamination [e.g., heating during delaminating, etc.] - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract Provided is a method of manufacturing a translucent rigid substrate laminate, which method can improve position precision while increasing production efficiency. Further provided is a translucent rigid substrate bonding apparatus that contributes to improvement of the position precision while increasing production efficiency of a plate-shaped product. In the method of manufacturing a translucent rigid substrate laminate and the translucent rigid substrate bonding apparatus according to the present invention, when translucent rigid substrates are bonded in a predetermined positional relationship by interposing a photo-curable fixing agent including (A) polyfunctional (meth)acrylate, (B) monofunctional (meth)acrylate and (C) a photopolymerization initiator therebetween, only the fixing agent present in outer peripheral portions of both translucent rigid substrates is cured for provisional fastening. ## Claims ### Claim 1 A method of manufacturing a translucent rigid substrate laminate, comprising: 1) a process of preparing a first translucent rigid substrate; 2) a process of preparing a second translucent rigid substrate; 3) a process of applying a photo-curable fixing agent including (A) polyfunctional (meth)acrylate, (B) monofunctional (meth)acrylate and (C) a photopolymerization initiator to a first surface of the first translucent rigid substrate and/or a first surface of the second translucent rigid substrate; 4) a process of allowing the first surface of the first translucent rigid substrate and the first surface of the second translucent rigid substrate to face each other so that the both surfaces are parallel to each other in a predetermined positional relationship in a surface direction; 5) a process of applying a given pressure to the first surface of the first translucent rigid substrate and the first surface of the second translucent rigid substrate while maintaining the positional relationship to bond the both translucent rigid substrates; 6) a process of irradiating light for curing only an outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates to form a provisionally fastened translucent rigid substrate laminate; 7) a full fastening process of curing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate to form a fully fastened translucent rigid substrate laminate; and 8) a process of repeating the processes 1) to 7) at least once by regarding the fully fastened translucent rigid substrate laminate as the first translucent rigid substrate to form a fully fastened translucent rigid substrate laminate in which at least three translucent rigid substrates are bonded. ### Claim 2 (depends on 1) The method of manufacturing a translucent rigid substrate laminate according to claim 1, wherein the full fastening process 7) is an irradiation process of irradiating light for curing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate to form the fully fastened translucent rigid substrate laminate. ### Claim 3 (depends on 1) The method of manufacturing a translucent rigid substrate laminate according to claim 1, wherein the full fastening process 7) is a stand-still process of allowing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate to stand for curing to form the fully fastened translucent rigid substrate laminate. ### Claim at position 4 -5. (canceled) ### Claim 6 (depends on 1) The method of manufacturing a translucent rigid substrate laminate according to claim 1, wherein the light is spot-irradiated to the outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates only at two to six positions in the process 6) of forming the provisionally fastened translucent rigid substrate laminate. ### Claim 7 (depends on 1) The method of manufacturing a translucent rigid substrate laminate according to claim 1, wherein the process 6) of forming the provisionally fastened translucent rigid substrate laminate is a process of irradiating light for curing only the outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates while maintaining the pressure to form the provisionally fastened translucent rigid substrate laminate. ### Claim 8 A method of manufacturing a translucent rigid substrate laminate, comprising: 1) a process of preparing a first translucent rigid substrate; 2) a process of preparing a second translucent rigid substrate; 3) a process of applying a photo-curable fixing agent including (A) polyfunctional (meth)acrylate, (B) monofunctional (meth)acrylate and (C) a photopolymerization initiator to a first surface of the first translucent rigid substrate and/or a first surface of the second translucent rigid substrate; 4) a process of allowing the first surface of the first translucent rigid substrate and the first surface of the second translucent rigid substrate to face each other so that the both surfaces are parallel to each other in a predetermined positional relationship in a surface direction; 5) a process of applying a given pressure to the first surface of the first translucent rigid substrate and the first surface of the second translucent rigid substrate while maintaining the positional relationship to bond the both translucent rigid substrates; 6) a process of irradiating light for curing only an outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates to form a provisionally fastened translucent rigid substrate laminate; 7′) a process of repeating the processes 1) to 6) at least once by regarding the provisionally fastened translucent rigid substrate laminate as the first translucent rigid substrate to form a provisionally fastened translucent rigid substrate laminate in which at least three translucent rigid substrates are bonded; and 8′) a full fastening process of curing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate obtained in the process 7′) to form a fully fastened translucent rigid substrate laminate. ### Claim 9 (depends on 8) The method of manufacturing a translucent rigid substrate laminate according to claim 8, wherein the full fastening process 8′) is an irradiation process of irradiating light for curing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate obtained in the process 7′) to form the fully fastened translucent rigid substrate laminate. ### Claim 10 (depends on 8) The method of manufacturing a translucent rigid substrate laminate according to claim 8, wherein the full fastening process 8′) is a stand-still process of allowing the uncured fixing agent present in the provisionally fastened translucent rigid substrate laminate obtained in the process 7′) to stand for curing to form the fully fastened translucent rigid substrate laminate. ### Claim at position 10 -12. (canceled) ### Claim 13 (depends on 8) The method of manufacturing a translucent rigid substrate laminate according to claim 8, wherein the light is spot-irradiated to the outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates only at two to six positions in the process 6) of forming the provisionally fastened translucent rigid substrate laminate. ### Claim 14 (depends on 8) The method of manufacturing a translucent rigid substrate laminate according to claim 8, wherein the process 6) of forming the provisionally fastened translucent rigid substrate laminate is a process of irradiating light for curing only the outer peripheral portion of the fixing agent spreading between the both translucent rigid substrates while maintaining the pressure to form the provisionally fastened translucent rigid substrate laminate. ### Claim 15 (depends on 8) The method of manufacturing a translucent rigid substrate laminate according to claim 8, further comprising: 8″) a process of repeating the processes 1) to 6) at least once by regarding the fully fastened translucent rigid substrate laminate obtained in the process 8′) as the first translucent rigid substrate to form a complex translucent rigid substrate laminate; and 8′″) a full fastening process of curing the uncured fixing agent present in the complex translucent rigid substrate laminate obtained in the process 8″) to form a fully fastened translucent rigid substrate laminate having an increased lamination number. ### Claim 16 (depends on 15) The method of manufacturing a translucent rigid substrate laminate according to claim 15, wherein the full fastening process 8′″) is an irradiation process of irradiating light for curing the uncured fixing agent present in the complex translucent rigid substrate laminate obtained in the process 8″) to form the fully fastened translucent rigid substrate laminate having the increased lamination number. ### Claim 17 (depends on 15) The method of manufacturing a translucent rigid substrate laminate according to claim 15, wherein the full fastening process 8′″) is a stand-still process of allowing the uncured fixing agent present in the complex translucent rigid substrate laminate obtained in the process 8″) to stand to form the fully fastened translucent rigid substrate laminate having the increased lamination number. ### Claim at position 16 -28. (canceled) ### Claim 29 (depends on 1) A method of manufacturing a plate-shaped product, comprising: 9) a process of dividing a translucent rigid substrate laminate obtained by using the method according to claim 1 in a thickness direction to form a desired number of divided translucent rigid substrate laminates; 10) a process of performing desired shape processing on each of the divided translucent rigid substrate laminates; and 11) a process of heating the translucent rigid substrate laminate after the shape processing to delaminate the bonded translucent rigid substrates from each other and form a plurality of plate-shaped products. ### Claim 30 (canceled) ### Claim 31 (depends on 29) The method of manufacturing a plate-shaped product according to claim 29, further comprising: a process of bringing the divided translucent rigid substrate laminates into contact with a delaminating agent under temperature and time conditions required to reduce adhesion strength of an exposed portion of the outer edge of the fixing agent interposed between the translucent rigid substrates between the processes 9) and 10). ### Claim at position 20 -44. (canceled) ### Claim 45 A translucent rigid substrate bonding apparatus, comprising: an upper stage having a suction hole for vacuum suction of an upper translucent rigid substrate to hold the upper translucent rigid substrate; a press unit for moving the upper stage in a Z-axis direction; a suction unit for applying a suction force to the suction hole; a lower stage for holding a lower translucent rigid substrate; a means for moving the lower stage in an X-axis direction, a Y-axis direction and a θ-axis direction; a means for applying a photo-curable fixing agent including (A) polyfunctional (meth)acrylate, (B) monofunctional (meth)acrylate and (C) a photopolymerization initiator to either one or both of a lower surface of the upper translucent rigid substrate and an upper surface of the lower translucent rigid substrate; and light irradiators arranged at such positions as to irradiate light toward outer peripheral portions of bonding surfaces of the both translucent rigid substrates. ### Claim 46 (depends on 45) The translucent rigid substrate bonding apparatus according to claim 45, wherein the light irradiators are arranged to spot-irradiate the outer peripheral portion only at two to six positions. ### Claim 47 (depends on 45) The translucent rigid substrate bonding apparatus according to claim 45, wherein the light irradiators are arranged on the lower surface of the upper stage along the outer periphery of the held translucent rigid substrate and irradiate the light in a downward direction. ### Claim 48 (depends on 45) The translucent rigid substrate bonding apparatus according to claim 45, wherein the light irradiators are arranged on the upper surface of the lower stage along the outer periphery of the held translucent rigid substrate and irradiate the light in an upward direction. ### Claim 49 (depends on 45) The translucent rigid substrate bonding apparatus according to claim 45, wherein the light irradiators are arranged to surround outer peripheral side surfaces of the both translucent rigid substrates to be bonded and irradiate the light toward the outer peripheral side surfaces. ### Claim at position 26 -59. (canceled)