WO2017056894A1 - モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 - Google Patents
モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 Download PDFInfo
- Publication number
- WO2017056894A1 WO2017056894A1 PCT/JP2016/076340 JP2016076340W WO2017056894A1 WO 2017056894 A1 WO2017056894 A1 WO 2017056894A1 JP 2016076340 W JP2016076340 W JP 2016076340W WO 2017056894 A1 WO2017056894 A1 WO 2017056894A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold
- thermoplastic resin
- pattern
- resin sheet
- original plate
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/42—Removing articles from moulds, cores or other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C99/00—Subject matter not provided for in other groups of this subclass
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/10—Moulds; Masks; Masterforms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0046—Solid microneedles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0053—Methods for producing microneedles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/759—Needles
Definitions
- the present invention relates to a mold production method, a pattern sheet production method, an electroforming mold production method, and a mold production method using an electroforming mold.
- Micro-Needle® Array has been known as a new dosage form that can administer drugs such as insulin, vaccine (Vaccines) and hGH (human Growth Hormone) into the skin without pain.
- the microneedle array is an array of biodegradable microneedles (also referred to as microneedles or microneedles) containing a drug. By affixing this microneedle array to the skin, each microneedle pierces the skin, the microneedle is absorbed in the skin, and the drug contained in each microneedle can be administered into the skin.
- the microneedle array is also called a transdermal absorption sheet.
- a resin inverted mold is formed from an original plate having a fine projection pattern, and the molded product is formed from this mold. Making is done. There is a demand for improving the productivity of molded products having such fine patterns, and various proposals have been made.
- Patent Document 1 discloses a method for producing a mold base for manufacturing a microneedle.
- a mother die having an array of mother needles is pressed against a mold plate for producing microneedles to produce a mold base for producing microneedles.
- a molded product having a simple pattern is prepared.
- Patent Document 2 discloses that a transfer pattern formed on a mold is transferred to a plurality of locations of a thermoplastic resin.
- a heated mold is pressed against a thermoplastic resin, cooled, and the mold is separated from the thermoplastic resin, thereby transferring the mold transfer pattern to the thermoplastic resin. Further, the heated mold is moved, the mold is pressed against the thermoplastic resin and cooled, and the mold is separated from the thermoplastic resin, and the transfer pattern of the mold is transferred to the thermoplastic resin.
- FIG. 23A shows the step 2 formed at the end of the concave pattern on the surface of the manufactured mold 1
- FIG. 23B is an enlarged view of the step 2 in which the circled portion of FIG. 23A is enlarged.
- FIG. 24 when the replica mold 3 (or molded product) is manufactured using the mold 1 having the step 2 at the end of the concave pattern of the mold 1, the replica mold 3 (or molded product) is manufactured from the mold 1. ), The step 2 becomes a resistance and it is difficult to peel off, or a peeling failure such as breaking at the step 2 portion is likely to occur.
- the present invention has been made in view of such circumstances, and can suppress the occurrence of a step at the end of the concave pattern, a mold manufacturing method, a pattern sheet manufacturing method, an electroforming mold manufacturing method, and It is an object of the present invention to provide a method for producing a mold using an electroforming mold.
- a method for producing a mold includes: an original plate having a protruding pattern formed by a plurality of protruding portions in a pattern existing region on a table; a preparation step of preparing a thermoplastic resin sheet; The positioning step of determining the position where the original plate is pressed against the thermoplastic resin sheet by relatively moving the sheet and the thermoplastic resin sheet, and the protrusion of the heated original plate are excluded from the pattern existing area of the original plate.
- the original plate and the thermoplastic resin sheet are cooled in a state where the pressed portion is pressed against the thermoplastic resin sheet at a position where the portion and the surface of the thermoplastic resin sheet are separated from each other, and the pressed protrusion and the thermoplastic resin sheet are in contact with each other. And a forming step of forming a concave pattern having a reversed shape of the protruding pattern on the thermoplastic resin sheet.
- a depression is formed in advance on the pressing surface against which the protruding portion forming the protruding pattern of the original plate is pressed.
- the pressing surface in addition to the aspect in which the depression is formed in advance on the pressing surface to which the projection pattern of the original plate is pressed, the pressing surface is flat. You can also take.
- the depression has an arcuate cross-sectional shape.
- the depression has a rectangular longitudinal cross-sectional shape.
- the depression having a bow-shaped longitudinal section means a depression having a curved side surface with respect to the bottom surface of the depression.
- the hollow whose longitudinal cross-sectional shape is a rectangle means the hollow which has a side surface orthogonal to the bottom face of a hollow.
- the pressing surface to which the projections forming the projection pattern of the original plate are pressed is flat, and in the forming process, the portion excluding the projection portion in the pattern existing area of the original plate Stop before reaching the flat pressing surface.
- the position of the surface of the thermoplastic resin sheet is detected, and a certain amount is pushed in from the position of the surface of the thermoplastic resin sheet.
- the pressure applied to the original plate is measured and compared with a set pressure value to determine the pushing amount of the original plate.
- the projecting portion forming the projecting pattern has a frustum portion and a tapered needle portion in a direction away from the base of the original plate, and when the original plate is pressed against the thermoplastic resin sheet in the forming step, The frustum portion is brought into contact with the surface of the thermoplastic resin sheet.
- a method of manufacturing a pattern sheet having a protruding pattern includes a step of manufacturing a mold by the above-described manufacturing method, a supply step of supplying a polymer solution to the concave pattern of the mold, and a polymer dissolution A drying step of drying the liquid to form a polymer sheet; and a polymer sheet peeling step of peeling the polymer sheet from the mold.
- a method for producing an electroforming mold having a protruding pattern includes a step of producing a mold by the above-described production method, and an electroforming method for forming a metal body on the concave pattern of the mold by an electroforming method. A casting step and a peeling step of peeling the metal body from the mold.
- a method for producing a mold includes the steps of producing an electroformed mold by the above-described production method, and reversing the protruding pattern of the electroformed mold using an electroformed mold having a protruding pattern. Producing a resin mold having a concave pattern in shape.
- a method for producing a pattern sheet having a protruding pattern includes a step of producing a mold by the production method using the electroforming mold described above, and supplying a polymer solution to the concave pattern of the mold.
- the method for producing a mold the method for producing a pattern sheet, the method for producing an electroforming mold, and the method for producing a mold using the electroforming mold of the present invention, it is possible to suppress the occurrence of a step at the end of the concave pattern. .
- FIG. 1A is a diagram of a preparation process in which an original is prepared by a process procedure of a mold manufacturing method.
- FIG. 1B is a diagram of a preparation process for preparing a thermoplastic resin sheet by a process procedure of a mold manufacturing method.
- FIG. 1C is a diagram of a positioning process in the process procedure of the mold manufacturing method.
- FIG. 1D is a diagram of a forming process in a process procedure of a mold manufacturing method.
- FIG. 1E is a diagram of a mold formed by a mold manufacturing method.
- FIG. 2 is a perspective view of the original.
- FIG. 3 is a perspective view of the original plate and the mold.
- FIG. 4 is a schematic configuration diagram of the positioning device.
- FIG. 1A is a diagram of a preparation process in which an original is prepared by a process procedure of a mold manufacturing method.
- FIG. 1B is a diagram of a preparation process for preparing a thermoplastic resin sheet by a process procedure of
- FIG. 5A is a diagram showing swell in a mold manufacturing process using the original plate shown in FIG.
- FIG. 5B is a diagram of a mold that rises in a mold manufacturing process using the original plate shown in FIG. 2.
- FIG. 6A is a perspective view of an original plate in which the shape of the protrusion is different from that in FIG.
- FIG. 6B is a perspective view of an original plate according to another aspect in which the shape of the protruding portion is different from that in FIG. 2.
- FIG. 7A is a diagram showing a state where the original plate shown in FIG. 6A is pressed against a thermoplastic resin sheet.
- FIG. 7B is a diagram showing a state where the original plate shown in FIG. 6B is pressed against a thermoplastic resin sheet.
- FIG. 7A is a diagram showing a state where the original plate shown in FIG. 6A is pressed against a thermoplastic resin sheet.
- FIG. 7B is a diagram showing a state where the original plate shown in FIG.
- FIG. 8 is a diagram showing a step of forming a concave pattern on the thermoplastic resin sheet having a depression using the original plate shown in FIG.
- FIG. 9 is a perspective view showing depressions formed in the original plate and the thermoplastic resin sheet.
- FIG. 10 is a cross-sectional view taken along line 10-10 of FIG.
- FIG. 11A is a cross-sectional view of a preparation process in which a thermoplastic resin sheet having an original plate and a depression is prepared.
- FIG. 11B is a cross-sectional view of a positioning process and a forming process in which the original plate is positioned and pressed in the depression of the thermoplastic resin sheet.
- FIG. 11C is a cross-sectional view showing that there is no step in the formed mold.
- FIG. 11A is a cross-sectional view of a preparation process in which a thermoplastic resin sheet having an original plate and a depression is prepared.
- FIG. 11B is a cross-sectional view of a positioning process and a
- FIG. 11D is an enlarged cross-sectional view in which a mold end portion of the formed mold is enlarged.
- FIG. 12 is a cross-sectional view for explaining a rectangular depression formed in a thermoplastic resin sheet.
- FIG. 13 is a schematic diagram illustrating the flow of the molten resin when the original plate is pressed into a rectangular depression.
- FIG. 14 is a schematic diagram illustrating the flow of the molten resin when the original plate is pressed into an arcuate depression.
- FIG. 15 is a cross-sectional view illustrating an arcuate depression formed in a thermoplastic resin sheet.
- FIG. 16 is a schematic diagram for explaining the swelling of the resin when the original plate is pressed into an arcuate depression.
- FIG. 12 is a cross-sectional view for explaining a rectangular depression formed in a thermoplastic resin sheet.
- FIG. 13 is a schematic diagram illustrating the flow of the molten resin when the original plate is pressed into a rectangular depression.
- FIG. 14 is a schematic diagram
- FIG. 17 is a schematic diagram for explaining the swelling of the resin when the original is pressed into a rectangular depression.
- FIG. 18A is a diagram in which a mold is prepared by a process procedure of a pattern sheet manufacturing method using a mold.
- FIG. 18B is a diagram for supplying a polymer solution to the concave pattern in the process procedure of the method for producing a pattern sheet using a mold.
- FIG. 18C is a diagram in which the polymer solution is dried in the process procedure of the pattern sheet manufacturing method using a mold.
- FIG. 18D is a diagram before the polymer sheet is peeled from the mold in the process procedure of the pattern sheet manufacturing method using the mold.
- FIG. 18A is a diagram in which a mold is prepared by a process procedure of a pattern sheet manufacturing method using a mold.
- FIG. 18B is a diagram for supplying a polymer solution to the concave pattern in the process procedure of the method for producing a pattern sheet using a mold.
- FIG. 18C
- FIG. 18E is a diagram after the polymer sheet is peeled from the mold in the process procedure of the method for manufacturing the pattern sheet using the mold.
- FIG. 18F is a diagram before the polymer sheet is cut into individual pattern sheets in the process procedure of the pattern sheet manufacturing method using a mold.
- FIG. 18G is a diagram after the polymer sheet is cut into individual pattern sheets in the process procedure of the pattern sheet manufacturing method using a mold.
- FIG. 19 is a perspective view of an individual pattern sheet.
- FIG. 20A is a diagram in which a mold is prepared by a process procedure of an electroforming mold manufacturing method using a mold.
- FIG. 20B is a diagram in which electroforming is performed by a process procedure of a method for producing an electroforming mold using a mold.
- FIG. 20A is a diagram in which a mold is prepared by a process procedure of an electroforming mold manufacturing method using a mold.
- FIG. 20B is a diagram in which electroforming is performed by a process procedure of a method for
- FIG. 20C is a diagram in which the metal body is peeled from the mold in the process procedure of the method for producing the electroforming mold using the mold.
- FIG. 21A is a diagram in which an electroformed mold is prepared by a process procedure of a mold manufacturing method using an electroformed mold.
- FIG. 21B is a diagram in which an ultraviolet curable resin is pressed against the electroformed mold in the process procedure of the mold manufacturing method using the electroformed mold.
- FIG. 21C is a diagram in which the electroformed mold is peeled from the ultraviolet curable resin cured in the process procedure of the mold manufacturing method using the electroformed mold.
- FIG. 22A is a diagram in which a mold is prepared by a process procedure of a pattern sheet manufacturing method using a mold manufactured using an electroforming mold.
- FIG. 22B is a diagram for supplying the polymer solution to the concave pattern in the process procedure of the pattern sheet manufacturing method using the mold manufactured using the electroforming mold.
- FIG. 22C is a diagram in which the polymer solution is dried in a process procedure of a pattern sheet manufacturing method using a mold manufactured using an electroforming mold.
- FIG. 22D is a diagram before the polymer sheet is peeled from the mold in the process procedure of the pattern sheet manufacturing method using the mold manufactured using the electroformed mold.
- FIG. 22E is a diagram after the polymer sheet is peeled from the mold in the fixing procedure of the pattern sheet manufacturing method using the mold manufactured using the electroforming mold.
- FIG. 22F is a diagram before the polymer sheet is cut into individual pattern sheets in the process procedure of the pattern sheet manufacturing method using the mold manufactured using the electroforming mold.
- FIG. 22G is a diagram after the polymer sheet is cut into individual pattern sheets by the process procedure of the pattern sheet manufacturing method using the mold manufactured using the electroforming mold.
- FIG. 23A is a diagram illustrating a step formed in the production of a mold.
- FIG. 23B is an enlarged view of the step.
- FIG. 24 is a diagram showing a fracture at the step when the replica mold or molded product is peeled from the mold.
- a pressing surface the surface of the surface of the thermoplastic resin sheet that is pressed by the projection pattern of the original.
- 1st Embodiment of the manufacturing method of the mold of this invention is a case where a pressing surface is flat, and when pressing an original plate on the surface of a thermoplastic resin sheet, it is a protrusion in the pattern presence area
- the pressing surface X of the thermoplastic resin sheet 20 is flat and in a flush relationship with the surface 20B, the pressing surface X can be rephrased as the surface 20B.
- FIG. 1A to 1E are process diagrams showing a procedure of a mold manufacturing method.
- a large mold 22 having a plurality of ten concave patterns 20 ⁇ / b> A is formed with one original.
- FIG. 2 is a perspective view of the original.
- FIG. 1A shows a preparation process for preparing the original plate 10.
- the original plate 10 is composed of a portion of a base 10C and a portion of a protruding pattern 10A, and the protruding pattern 10A is formed in a pattern formation region 10D on the base 10C. .
- the pattern existence area 10D refers to an area where the protruding pattern 10A on the surface having the protruding pattern 10A of the base 10C of the original plate 10 exists. Further, the surface of the base 10C on the side having the protruding pattern 10A is formed on the flat surface 10B.
- the plane 10B may be a complete plane or may be a plane at first glance.
- the original plate 10 has basically the same protruding pattern 10A as a pattern sheet (so-called molded product) having a protruding pattern to be manufactured.
- the original plate 10 having the protruding pattern 10A is produced, for example, by machining a metal substrate that becomes the original plate 10 using a cutting tool such as a diamond bite.
- a metal substrate stainless steel, aluminum alloy, Ni or the like can be used.
- the protruding pattern 10A refers to a state in which the protruding portions 12 protruding in a direction away from the flat surface 10B of the original 10 are arranged on the flat surface 10B of the original 10.
- the number of the protrusions 12, the position of the protrusions 12, and the like are not limited.
- the protrusion 12 is constituted by a needle 12 ⁇ / b> A that tapers in a direction away from the plane 10 ⁇ / b> B in this embodiment.
- the protrusion 12 is a so-called cone, and includes a pyramid, a cone, and the like.
- FIGS. 1A and 2 are diagrams conceptually showing the original plate 10, and FIG. 1A and FIG. 2 differ in the number of protrusions 12 constituting the protrusion pattern 10 ⁇ / b> A.
- the protrusion 12 preferably has a height of 100 to 2000 ⁇ m from the flat surface 10B of the original 10 and a tip diameter of ⁇ 50 ⁇ m or less, for example.
- the interval between adjacent protrusions 12 is preferably 300 to 2000 ⁇ m.
- the aspect ratio of the protrusion 12 (the height of the protrusion / the width of the bottom surface of the protrusion) is preferably 1 to 5.
- FIG. 1B shows a preparation process for preparing a thermoplastic resin sheet.
- the thermoplastic resin sheet 20 used as the material of the mold 22 is prepared, and for example, the thermoplastic resin sheet 20 is placed on a table (not shown).
- the thermoplastic resin sheet 20 has, for example, a thickness of 0.5 to 2.0 mm and a size of 100 mm ⁇ 100 mm to 300 mm ⁇ 300 mm, and a surface 20B including a pressing surface X against which the protruding pattern 10A of the original 10 is pressed. have.
- a concave pattern 20A described later is formed on the surface 20B side.
- the thickness of the thermoplastic resin sheet 20 is preferably at least the height of the protrusion 12 of the original plate 10.
- thermoplastic resin constituting the thermoplastic resin sheet 20 is not particularly limited.
- polyethylene terephthalate, polycarbonate, polymethyl methacrylate, polystyrene, polyethylene, liquid crystal polymer, polylactic acid and the like can be suitably used.
- the thermoplastic resin sheet 20 means a thermoplastic resin that is thin and has a self-supporting property at room temperature. “Self-supporting” refers to the ability to maintain the shape of a single substance without support by other members.
- 1C and 1D show that a positioning process, a forming process for forming a concave pattern, and a positioning process and a forming process are repeated.
- a positioning process for forming a concave pattern
- a positioning process and a forming process are repeated.
- it is not necessary to repeat a positioning process and a formation process.
- the relative position of the prepared original plate 10 and the thermoplastic resin sheet 20 is relatively moved, and the position (for example, the region A1) where the original plate 10 is pressed against the thermoplastic resin sheet 20 is determined.
- the positioning is performed, for example, by providing an X-axis drive mechanism and a Y-axis drive mechanism that move in a direction orthogonal to each other in a horizontal plane on a table (not shown) that supports the thermoplastic resin sheet 20.
- thermoplastic resin sheet 20 In order to perform positioning accurately, for example, it is preferable to provide alignment marks for positioning on the surface 20B of the thermoplastic resin sheet 20. Further, in order to detect the original plate 10, the thermoplastic resin sheet 20, and the alignment mark, it is preferable to provide an imaging device (CCD (Charge-Coupled Device) camera) or the like.
- CCD Charge-Coupled Device
- the heated original plate 10 is pressed against the surface 20B side of the thermoplastic resin sheet 20.
- the protrusion 12 that forms the protrusion pattern 10 ⁇ / b> A of the original 10 is pressed against the thermoplastic resin sheet 20.
- the portion of the pattern existing area 10D of the original plate 10 excluding the protrusions 12 reaches the flat pressing surface X of the thermoplastic resin sheet 20. Stop before you do.
- the flat surface 10B of the original plate 10 and the flat surface 20B of the thermoplastic resin sheet 20 are separated from each other, so that the entire pattern existing region 10D of the original plate 10 is pushed into the flat surface 20B of the thermoplastic resin sheet 20. Absent. Therefore, it can suppress that the thermoplastic resin sheet 20 swells in the edge part of the original plate 10 so that it may be enclosed with the circle.
- the original plate 10 is heated to such a temperature that the thermoplastic resin sheet 20 is softened. Heating is performed by a heater (not shown). In accordance with the thermoplastic resin constituting the thermoplastic resin sheet 20, the original 10 is heated to an appropriate temperature.
- thermoplastic resin sheet 20 moves to the original plate 10.
- the original 10 can be attached by a Z-axis drive mechanism that moves in the vertical direction. In this case, the original plate 10 moves to the thermoplastic resin sheet 20.
- the surface 20B side of the thermoplastic resin sheet 20 is heated for a certain time.
- the original plate 10 is cooled to cool the thermoplastic resin sheet 20 to a softening temperature or lower.
- the original 10 and the thermoplastic resin sheet 20 are separated from each other to form a concave pattern 20A that is an inverted shape of the protruding pattern 10A on the surface 20B side of the thermoplastic resin sheet 20.
- the original plate 10 and the thermoplastic resin sheet 20 can be separated from each other by the above-described Z-axis drive mechanism.
- the concave pattern 20A refers to a state in which a concave portion extending from the surface 20B of the thermoplastic resin sheet 20 toward the other surface is disposed on the surface 20B side of the thermoplastic resin sheet 20.
- the number of the concave portions, the arrangement of the concave portions, the depth of the concave portions, etc. are not limited. Since the concave pattern 20A is an inverted shape of the protruding pattern 10A, the size, number, and arrangement of the concave portions of the concave pattern 20A are basically the same as those of the protruding portions 12 pushed into the thermoplastic resin sheet 20. It becomes.
- the original plate 10 and the thermoplastic resin sheet 20 are positioned (here, the region A2).
- the heated original plate 10 is pressed against the surface 20 ⁇ / b> B side of the thermoplastic resin sheet 20.
- the protrusion 12 that forms the protrusion pattern 10 ⁇ / b> A of the original 10 is pressed against the surface 20 ⁇ / b> B side of the thermoplastic resin sheet 20.
- the portion excluding the protrusions 12 in the pattern existing region 10D of the original plate 10 is heated. Stop before reaching the flat pressing surface X of the plastic resin sheet 20.
- thermoplastic resin sheet 20 In area A2, the surface 20B side of the thermoplastic resin sheet 20 is heated for a certain time while pressing the protrusion 12 of the heated original plate 10. Next, in a state where the pressed protrusion 12 and the thermoplastic resin sheet 20 are in contact with each other, the original plate 10 is cooled to cool the thermoplastic resin sheet 20 to a softening temperature or lower. The original 10 and the thermoplastic resin sheet 20 are separated from each other, and a concave pattern 20 ⁇ / b> A that is an inverted shape of the protruding pattern 10 ⁇ / b> A is formed on the surface 20 ⁇ / b> B of the thermoplastic resin sheet 20.
- the original 10 and the thermoplastic resin sheet 20 are positioned (here, the region A3), and the heated original 10 is placed on the surface 20B of the thermoplastic resin sheet 20. Press.
- thermoplastic resin sheet 20 As shown in FIG. 1E, when the predetermined concave pattern 20A is formed on the surface 20B side of the thermoplastic resin sheet 20, a mold 22 is produced from the thermoplastic resin sheet 20.
- FIG. 3 is a perspective view of the original 10 and the mold 22.
- a resin mold 22 having a 3 ⁇ 3 concave pattern 20A is produced from the original 10 having one protruding pattern 10A.
- the resin mold 22 having the 3 ⁇ 3 concave pattern 20A is manufactured, a large original plate having the 3 ⁇ 3 protruding pattern is not manufactured. Therefore, in the present embodiment, the work for producing the original 10 can be reduced.
- the resin mold 22 having the 3 ⁇ 3 concave pattern 20A is illustrated, the number of the concave patterns 20A is appropriately determined.
- the surface 20B of the mold 22 is substantially flat.
- the concave pattern 20A of the mold 22 can be accurately filled with a polymer solution. it can.
- FIG. 4 shows a schematic configuration diagram of the positioning device.
- the positioning device 30 includes a Z-axis drive mechanism 32 that drives the original 10 in the Z-axis direction, a connection portion 34 connected to the Z-axis drive mechanism 32, a holding portion 36 attached to the connection portion 34, and a thermoplastic resin.
- a table 38 that supports the seat 20, an X-axis drive mechanism 40 that drives the table 38 in the X-axis direction, a Y-axis drive mechanism 42 that drives the table 38 in the Y-axis direction, a gantry 44, a control system 46, A laser displacement meter 48.
- the original 10 is held by a holding unit 36.
- the X-axis drive mechanism 40 and the Y-axis drive mechanism 42 are driven, and the original 10 and the thermoplastic resin sheet 20 are positioned.
- the control system 46 measures the distance between the protruding pattern 10 ⁇ / b> A of the original 10 and the surface 20 ⁇ / b> B of the thermoplastic resin sheet 20 using a laser displacement meter 48.
- the position of the surface 20B of the thermoplastic resin sheet 20 can be detected by measuring the distance.
- the control system 46 determines the pushing amount of the protruding pattern 10A from the position of the surface 20B of the thermoplastic resin sheet 20.
- the control system 46 drives the Z-axis drive mechanism 32.
- the Z-axis drive mechanism 32 moves the original 10 to the position of the surface 20B of the thermoplastic resin sheet 20, and further moves the original 10 to the thermoplastic resin sheet 20 side by a certain amount.
- Push in (determined push amount).
- the X-axis drive mechanism 40 and the Y-axis drive mechanism 42 are driven, and the original 10 and the thermoplastic resin sheet 20 are positioned.
- the control system 46 drives the Z-axis drive mechanism 32, and the Z-axis drive mechanism 32 moves the original 10 to the position of the surface 20B of the thermoplastic resin sheet 20.
- the control system 46 measures the pressure applied to the original 10 while moving the original 10 with the Z-axis drive mechanism 32.
- a load cell is a measuring instrument that can measure the force of compression in the thickness direction.
- the control system 46 compares the measured pressure with a preset pressure. When the measured pressure reaches a preset pressure, the control system 46 determines that the protruding pattern 10A has reached the surface 20B of the thermoplastic resin sheet 20.
- the control system 46 determines the pushing amount of the protruding pattern 10A from the position of the surface 20B of the thermoplastic resin sheet 20.
- the control system 46 drives the Z-axis drive mechanism 32 and pushes the original 10 into the thermoplastic resin sheet 20 side by a certain amount (determined push amount).
- the control system 46 drives the X-axis drive mechanism 40 and the Y-axis drive mechanism 42 to position the original 10 and the thermoplastic resin sheet 20.
- the control system 46 drives the Z-axis drive mechanism 32, and the Z-axis drive mechanism 32 moves the original 10 to the position of the surface 20B of the thermoplastic resin sheet 20.
- the control system 46 measures the pressure applied to the original 10 while moving the original 10 with the Z-axis drive mechanism 32.
- the control system 46 compares the measured pressure with a preset pressure.
- the relationship between the pressure applied to the original plate 10 and the amount of pressing (depth) of the protruding pattern 10A into the thermoplastic resin sheet 20 is obtained in advance.
- the control system 46 compares the measured pressure with a preset pressure. When the measured pressure reaches the set pressure, the control system 46 determines that the protruding pattern 10A has reached a desired pushing amount from the surface 20B of the thermoplastic resin sheet 20. In this embodiment, the control system 46 calculates the push amount based on the relationship obtained in advance based on the measured pressure.
- the original 10 When the pushing amount calculated from the pressure is a desired pushing amount with respect to the thermoplastic resin sheet 20, the original 10 is not pushed into the thermoplastic resin sheet 20. That is, the pressure applied to the original 10 is measured and compared with a set pressure value, and the control system 46 determines that the pushing amount of the original 10 is “0”.
- the control system 46 uses the current position of the original plate 10 as a reference and the thermoplastic resin sheet of the protruding pattern 10 ⁇ / b> A of the original plate 10. The pushing amount to 20 is determined.
- the control system 46 drives the Z-axis drive mechanism 32 and pushes the original 10 into the thermoplastic resin sheet 20 side by a certain amount (determined push amount).
- FIG. 5A is a diagram showing a case where a mold 22 is manufactured using the original plate 10 shown in FIG.
- the protrusion 12 constituting the protrusion pattern 10A of the original 10 is composed of a needle portion 12A that tapers in a direction away from the plane 10B.
- the surface 20B of the thermoplastic resin sheet 20 may swell at the root of the protrusion 12 as surrounded by a circle.
- a step may be generated on the surface 20B in the region of the concave pattern 20A of the mold 22 as shown in FIG. 5B.
- the shape of the protrusions 12 constituting the protrusion pattern 10A of the original plate 10 is changed to further suppress the generation of a step. Can do.
- the step means that the step protrudes from the surface 20B to the extent that the flatness of the surface 20B of the thermoplastic resin sheet 20 is affected. This level difference may affect the productivity and accuracy of the molded product when manufacturing the molded product.
- FIGS. 6A and 6B show an original plate 10 in which the shape of the protrusion 12 is different from that in FIG.
- the protrusion 12 constituting the protrusion pattern 10A shown in FIG. 6A includes a frustum 12B and a tapered needle 12A in a direction away from the plane 10B.
- the frustum portion 12B includes a truncated pyramid, a truncated cone and the like. Further, another frustum portion may be included between the frustum portion 12B and the needle portion 12A.
- the protrusion 12 preferably has a height of 100 to 2000 ⁇ m from the flat surface 10B of the original 10 and a tip diameter of ⁇ 50 ⁇ m or less, for example.
- the interval between adjacent protrusions 12 is preferably 300 to 2000 ⁇ m.
- the aspect ratio of the protrusion 12 (the height of the protrusion / the width of the bottom surface of the protrusion) is preferably 1 to 5.
- the ratio of the height of the needle portion 12A to the height of the frustum portion 12B (the height of the needle portion 12A / the height of the frustum portion 12B) is preferably 1 to 10.
- the angle formed between the side surface of the frustum portion 12B and the plane 10B is preferably 10 to 60 °.
- the 6B includes a truncated cone part 12B, a columnar part 12C, and a tapered needle part 12A in a direction away from the plane 10B.
- the columnar portion 12C means a shape having two parallel bottom surfaces facing each other as represented by a cylinder or a rectangular parallelepiped and having the same area.
- the protrusion 12 preferably has a height of 100 to 2000 ⁇ m from the flat surface 10B of the original 10 and a tip diameter of ⁇ 50 ⁇ m or less, for example.
- the interval between adjacent protrusions 12 is preferably 300 to 2000 ⁇ m.
- the aspect ratio of the protrusion 12 (the height of the protrusion / the width of the bottom surface of the protrusion) is preferably 1 to 5.
- the ratio of the total height of the needle portion 12A and the columnar portion 12C to the height of the frustum portion 12B is 1 to 10 Is preferred.
- the ratio of the height of the needle portion 12A to the height of the columnar portion 12C (the height of the needle portion 12A / the height of the columnar portion 12C) is preferably 0.25 to 10.
- the angle formed between the side surface of the needle portion 12A and the flat surface 10B is preferably 45 to 85 °.
- the angle formed between the side surface of the frustum portion 12B and the plane 10B is preferably 10 to 60 °.
- FIG. 7A and 7B show a state in which the original plate 10 shown in FIGS. 6A and 6B is pressed against the thermoplastic resin sheet 20.
- FIG. 7A uses an original plate 10 having a protruding portion 12 composed of a frustum portion 12B and a tapered needle portion 12A in a direction away from the plane 10B shown in FIG. 6A.
- the frustum portion 12B of the protrusion 12 is brought into contact with the surface 20B of the thermoplastic resin sheet 20 so as to be circled. Swelling of the surface 20B of the thermoplastic resin sheet 20 is suppressed.
- FIG. 7B uses an original plate 10 having a protruding portion 12 composed of a frustum portion 12B, a columnar portion 12C, and a tapered needle portion 12A in a direction away from the plane 10B shown in FIG. 6B.
- the frustum portion 12B of the protrusion 12 is brought into contact with the surface 20B of the thermoplastic resin sheet 20 so as to be surrounded by a circle. Swelling of the surface 20B of the plastic resin sheet 20 is suppressed.
- the surface of the thermoplastic resin sheet 20 is the pressing surface X pressed by the protruding pattern 10A of the original plate 10, and the depression 24 is previously formed in the pressing surface X. Is formed.
- the dent 24 is formed in the region where the concave pattern 20 ⁇ / b> A is formed. That is, the pressing surface X is a region where the concave pattern 20A is formed on the surface 20B of the thermoplastic resin sheet 20 to which the protrusions 12 forming the protruding pattern 10A of the original plate 10 are pressed. This is an area corresponding to the area 10D.
- FIG. 9 is a view corresponding to FIG. 3 and shows a case where the depressions 24 are formed in advance on nine (3 ⁇ 3) pressing surfaces X on which the concave patterns 20A of the thermoplastic resin sheet 20 are formed.
- the surface of the thermoplastic resin sheet 20 is comprised by the press surface X in which the hollow 24 was formed, and the flat outer surface Y in which the hollow 24 is not formed.
- a resin mold 22 having a 3 ⁇ 3 concave pattern 20 ⁇ / b> A can be produced from the original plate 10 having one protruding pattern 10 ⁇ / b> A.
- FIG. 10 is a cross-sectional view taken along line 10-10 in FIG.
- the recess 24 may be an arc-hole-like recess 24 as shown in FIG. 8, but as shown in FIGS. 9 and 10, it is a square-hole-like recess composed of a bottom surface 24B and a side surface 24A, which are flat pressing surfaces X. 24 is preferable, and the following description will be made using an example of the hollow 24 having a square hole shape.
- FIG. 11A to FIG. 11C are process diagrams showing a procedure of a mold manufacturing method using the thermoplastic resin sheet 20 in which the square hole-like depressions 24 are formed.
- FIG. 11D is an enlarged view of the mold end of the produced mold 22.
- an original plate 10 having a protruding pattern 10A on a flat surface 10B and a thermoplastic resin sheet 20 having a depression 24 formed on a pressing surface X on which a concave pattern 20A is formed are prepared (preparation step). ). Then, the original plate 10 and the thermoplastic resin sheet 20 are relatively moved so that the protruding pattern 10A of the original plate 10 is directly above the pressing surface X of the thermoplastic resin sheet 20, so that the original plate 10 is made of the thermoplastic resin. A position to be pressed against the sheet 20 is determined (positioning step).
- the heated original plate 10 is pressed against the thermoplastic resin sheet 20.
- the flat surface 10B of the original plate 10 and the outer surface Y of the thermoplastic resin sheet 20 are in close contact.
- the original plate 10 and the thermoplastic resin sheet 20 are separated from each other, thereby forming a concave pattern 20A having an inverted shape of the protruding pattern 10A on the thermoplastic resin sheet 20 ( Forming step).
- the pressing surface X of the thermoplastic resin sheet 20 rises as shown in FIG. 11B.
- the depression 24 is formed in the thermoplastic resin sheet 20 in advance, even if the pressing surface X of the thermoplastic resin sheet 20 rises, it is absorbed by the depression 24 and the occurrence of a step is suppressed.
- the size (volume) of the recess 24 is appropriately set in consideration of the size of the swell of the pressing surface X when the protrusion 12 of the original 10 is pressed into the thermoplastic resin sheet 20.
- the flat surface 10B of the original plate 10 and the pressing surface X of the thermoplastic resin sheet 20 are formed by forming the recess 24 in the pressing surface X of the thermoplastic resin sheet 20.
- the original plate 10 is pressed against the thermoplastic resin sheet 20 at a separated position, thereby suppressing the formation of a step.
- FIG. 12 is an enlarged view showing an end portion surrounded by a circle in the hollow 24 having a square hole shape in FIG.
- the recess 24 has a side surface 24 ⁇ / b> A curved with respect to the bottom surface 24 ⁇ / b> B (pressing surface X), in other words, the recess 24 has an arcuate cross-sectional shape.
- the molten resin P that has flowed into the hill climbs up the side surface 24A of the recess 24 and flows out to the outer surface Y of the thermoplastic resin sheet 20.
- a step may be formed at the end of the concave pattern 20A of the produced mold 22.
- the recess 24 has a side surface 24A that is curved with respect to the pressing surface X).
- thermoplastic resin sheet 20 undergoes composition deformation.
- the pressing surface X rises.
- the dent 24 is arcuate, it swells along the curved side surface 24 ⁇ / b> A, so that it is easy to form a swelled part Q that swells uniformly over the entire space between the protrusion 12 and the dent 24.
- This makes it easy to effectively use the space of the recess 24 that absorbs the rise of the thermoplastic resin sheet 20, so that the rise portion Q hardly reaches the outer surface Y of the thermoplastic resin sheet 20. Therefore, it is possible to further suppress the formation of a step at the end of the concave pattern 20A of the manufactured mold 22.
- the positioning device 30 and the control method described in the first embodiment can also be applied. Also in the second embodiment, as in the first embodiment, it is more preferable to use the original plate 10 having the protrusions 12 having the shape described in FIGS. 6A and 6B.
- 18A to 18G are process diagrams showing the procedure of the method for manufacturing the pattern sheet using the mold 22.
- FIG. 18A shows a state where the mold 22 is prepared.
- the mold 22 is manufactured by the above-described mold manufacturing method, and a concave pattern 20A is formed on the surface 20B of the mold 22.
- FIG. 18B shows a supply process for supplying the polymer solution to the concave pattern 20A of the mold 22.
- a polymer solution 200 is prepared.
- a material of the resin polymer used for the polymer solution 200 it is preferable to use a biocompatible resin.
- resins include glucose, maltose, pullulan, sodium chondroitin sulfate, sodium hyaluronate, saccharides such as hydroxyethyl starch and hydroxypropylcellulose, biodegradable proteins such as gelatin, polylactic acid and lactic acid glycolic acid copolymer.
- a conductive polymer is preferable to use.
- gelatin-based materials have adhesiveness to many base materials and have strong gel strength as a material to be gelled. Therefore, they can be brought into close contact with the base material in the peeling step described later. Since a polymer sheet can be peeled off using a base material, it can be suitably used.
- medical agent can be included in the polymer solution 200.
- medical agent contained in the polymer solution 200 should just be a substance which has physiological activity, and is not specifically limited.
- the drug is preferably selected from peptides, proteins, nucleic acids, polysaccharides, vaccines, pharmaceutical compounds, or cosmetic ingredients.
- a pharmaceutical compound belongs to a water-soluble low molecular weight compound.
- the low molecular compound is a compound having a molecular weight in the range of several hundred to several thousand.
- the concentration varies depending on the material, it is preferable that the concentration is such that 10 to 50% by mass of the resin polymer is contained in the polymer solution 200 containing no drug.
- the solvent used for dissolution may be volatile even if it is other than warm water, and methyl ethyl ketone, alcohol, or the like can be used.
- the solution of polymer resin it is possible to dissolve together the medicine for supplying into the body according to the use.
- the polymer concentration of the polymer solution 200 containing the drug is preferably in the range of 0 to 40% by mass.
- a water-soluble powder may be dissolved in water, and a drug may be added after dissolution, or a liquid in which a drug is dissolved.
- a water-soluble polymer powder may be put in and dissolved. If it is difficult to dissolve in water, it may be dissolved by heating.
- the temperature can be appropriately selected depending on the type of the polymer material, but it is preferable to heat at a temperature of about 60 ° C. or lower.
- the viscosity of the polymer resin solution is preferably 100 Pa ⁇ s or less, more preferably 10 Pa ⁇ s or less, in the case of a solution containing a drug.
- a solution that does not contain a drug it is preferably 2000 Pa ⁇ s or less, more preferably 1000 Pa ⁇ s or less.
- the viscosity of the polymer resin solution can be measured with a capillary tube viscometer, falling ball viscometer, rotary viscometer, or vibration viscometer.
- the polymer solution 200 is supplied to the mold 22 and the polymer solution 200 is filled in the concave pattern 20A. That is, the polymer solution 200 is filled in the recesses that form the recessed pattern 20A.
- the polymer solution 200 is difficult to enter into the recesses of the concave pattern 20A of the mold 22 due to the presence of air. Therefore, it is desirable to perform the supply process under a reduced pressure environment.
- Under reduced pressure environment means a state below atmospheric pressure.
- the mold 22 is set in a decompression device (not shown), and the polymer solution 200 is supplied to the mold 22, so that the polymer solution is drawn to the tip of the concave pattern 20 ⁇ / b> A while drawing air in the recesses in a reduced pressure environment. 200 can be filled. This is particularly effective when the mold 22 is made of a gas permeable material.
- the mold 22 supplied with the polymer solution 200 is placed in a pressure vessel. After the inside of the pressure vessel is heated to 40 ° C. by the heating jacket, compressed air is injected into the pressure vessel from the compressor. By holding the inside of the pressure vessel at a pressure of 0.5 MPa for 5 minutes and applying pressure to the mold, it is possible to remove the air in the recess and fill the polymer solution 200 up to the tip of the concave pattern 20A of the mold 22 become.
- FIG. 18C shows a drying process in which the polymer solution 200 is dried to form the polymer sheet 210.
- the polymer solution 200 supplied to the mold 22 can be dried by blowing air.
- the drying is divided into four zones: (1) set drying at 15 ° C. (low humidity, wind speed 4 m / sec), (2) weak wind drying at 35 ° C. (low humidity, wind speed 8 m / sec), (3 It can be efficiently dried by setting conditions such as high wind drying at 50 ° C. (wind speed 12 m / sec) and (4) high wind drying at 30 ° C. (wind speed 20 m / sec).
- the applied polymer solution 200 is dried, or the polymer solution 200 is gelled and then dried to form a polymer sheet 210.
- the polymer solution 200 can be gelled by flowing low-humidity cold air.
- cold air 10 to 15 [° C.] is blown for a longer time than the above case, and thereafter, wind is blown in the same manner as described above.
- when flowing hot air for drying after this if the temperature of the hot air is too high, gelation in the polymer solution 200 may return, or depending on the chemical, heating may occur. Careful attention must be paid to the temperature of the wind to be blown, as the efficacy changes due to decomposition.
- the polymer sheet 210 By using the polymer sheet 210, the polymer sheet is reduced more than the state when the polymer solution 200 is injected, and particularly when gelation is performed, the polymer sheet is significantly reduced. Thereby, peeling of the polymer sheet 210 from the mold 22 described later becomes easy.
- the polymer sheet 210 means a state after the polymer solution 200 is subjected to a desired drying process.
- the water content of the polymer sheet 210 is set as appropriate.
- FIG. 18D and 18E show a polymer sheet peeling process for peeling the polymer sheet 210 from the mold 22.
- a sheet-like base material 300 on which an adhesive layer is formed is attached to the surface opposite to the mold 22 with respect to the polymer sheet 210.
- the surface of the substrate 300 may be bonded by performing a surface activation treatment.
- the base material 300 may be embedded by applying a polymer solution from above the base material 300.
- PET polyethylene terephthalate
- PP polypropylene: polypropylene
- PC polycarbonate
- PE Polyethylene: polyethylene
- the base material 300 and the polymer sheet 210 are peeled off at the same time.
- a suction cup (not shown) is installed on the surface of the base material 300 opposite to the surface to be bonded to the polymer sheet 210, and the base material 300 is pulled up vertically while being sucked with air.
- the polymer sheet 210 is peeled from the mold 22 to form a pattern sheet 220 having a protruding pattern 220A.
- the material constituting the mold 22 is preferably made of a material that is very easy to peel off. Further, by making the material constituting the mold 22 a soft material having high elasticity, the stress applied to the protruding pattern 220A of the pattern sheet 220 at the time of peeling can be relaxed.
- the projecting pattern 220A of the pattern sheet 220 has a reverse shape of the concave pattern 20A of the mold 22.
- the pattern sheet 220 is basically the same as the polymer sheet 210 peeled from the mold 22.
- FIG. 18F and 18G show a cutting process in which the pattern sheet 220 is cut into individual pattern sheets 220.
- FIG. 18F and 18G show a cutting process in which the pattern sheet 220 is cut into individual pattern sheets 220.
- the pattern sheet 220 having the protruding pattern 220A and the substrate 300, which are peeled off from the mold 22, are set in a cutting device (not shown).
- the position for cutting the pattern sheet 220 is determined. Basically, the cutting position is determined for each protruding pattern 220A.
- the pattern sheet 220 is cut into a plurality of individual pattern sheets 220.
- the example in which the pattern sheet 220 and the substrate 300 are cut at the same time has been shown, but the present invention is not limited to this.
- the present invention is not limited thereto.
- the polymer solution 200 containing the drug can be filled into the concave pattern 20A and dried, and then the polymer solution 200 not containing the drug can be filled into the concave pattern 20A and dried to obtain a polymer sheet.
- the number of times the polymer solution 200 is supplied and the presence or absence of the drug in the polymer solution 200 can be appropriately changed.
- FIG. 19 is a perspective view of an individual pattern sheet 220.
- the individual pattern sheet 220 has a protruding pattern 220A on one surface. Further, the pattern sheet 220 has a base material 300 on the surface opposite to the surface on which the protruding pattern 220A is formed.
- 20A to 20C are process diagrams showing a procedure of a method for producing an electroforming mold using the mold 22.
- FIG. 20A shows a state where the mold 22 is prepared.
- the mold 22 is manufactured by the method for manufacturing the mold 22 described above, and a concave pattern 20A is formed on the surface 20B of the mold 22.
- FIG. 20B is a process diagram showing an electroforming process in which a concave pattern 20A of the mold 22 is filled with metal by an electroforming method.
- a conductive treatment is performed on the mold 22.
- a metal for example, nickel
- the mold 22 subjected to the conductive treatment is held on the cathode.
- a metal pellet is held in a metal case to serve as an anode.
- the cathode holding the mold 22 and the anode holding the metal pellet are immersed in the electroforming solution and energized.
- a metal body 400 is formed by embedding metal in the concave pattern 20A of the mold 22 by electroforming.
- the electroforming method refers to a method of depositing metal on the surface of a mold by electroplating.
- FIG. 20C is a process diagram showing a peeling process for peeling the metal body 400 from the mold 22.
- the metal body 400 is peeled from the mold 22 to produce an electroformed mold 410 having a protruding pattern 410A. Peeling means that the metal body 400 and the mold 22 are separated.
- the protruding pattern 410A has a reverse shape of the concave pattern 20A of the mold 22.
- the electroforming mold 410 is basically the same as the metal body 400 peeled from the mold 22.
- the mold 22 is manufactured using the original plate 10 shown in FIG. 2, and the electroforming mold 410 is manufactured from the mold 22 as shown in FIGS. 20A to 20C. Therefore, an electroformed mold 410 having a larger area than that of the original plate 10 can be obtained.
- the electroforming mold 410 has the same function as that of the original plate 10 in the sense of being an original plate for producing the mold 22, and has a larger area than the original plate 10. That is, since a large-area original plate can be obtained by electroforming rather than by machining such as grinding, the cost for producing a large-area original plate can be reduced.
- 21A to 21C are process diagrams showing the procedure of the method for producing the mold 26 using the electroformed mold 410.
- FIG. 21A to 21C are process diagrams showing the procedure of the method for producing the mold 26 using the electroformed mold 410.
- FIG. 21A shows a state where the electroforming mold 410 is prepared.
- the electroforming mold 410 is produced by the method for producing the electroforming mold 410 described above.
- the electroforming mold 410 includes a protruding pattern 410A on one surface.
- FIG. 21B and 21C show a process of producing a resin mold 26 having a concave pattern 26A, which is an inverted shape of the protruding pattern 410A of the electroformed mold 410, using the electroformed mold 410 having the protruding pattern 410A.
- FIG. The concave pattern 26 ⁇ / b> A refers to a state in which a concave portion extending from one surface of the mold 26 toward the other surface is disposed on one surface of the mold 26.
- the number of recesses, the position of the recesses, etc. are not limited.
- the mold 26 having the concave pattern 26A can be manufactured by the following first to third methods.
- An ultraviolet curable resin that cures when irradiated with ultraviolet rays is prepared.
- the protruding pattern 410A of the electroforming mold 410 is pressed against the ultraviolet curable resin.
- the ultraviolet curable resin is irradiated with ultraviolet rays to cure the ultraviolet curable resin.
- the electroforming mold 410 is peeled from the cured ultraviolet curable resin.
- the resin mold 26 having the concave pattern 26A that is the inverted shape of the protruding pattern 410A of the electroforming mold 410 can be produced.
- thermoplastic resin sheet as a material for the mold 26 is prepared.
- the electroforming mold 410 having the protruding pattern 410A is heated.
- the protruding pattern 410A of the heated electroforming mold 410 is pressed against the surface of the thermoplastic resin sheet. Since the surface of the thermoplastic resin is softened, the protruding pattern 410A is transferred to the thermoplastic resin sheet.
- thermoplastic resin sheet and the electroforming mold 410 are cooled in a state where the electroforming mold 410 is pressed against the thermoplastic resin sheet.
- the thermoplastic resin sheet is cured by cooling the electroforming mold 410.
- the electroformed mold 410 is peeled from the thermoplastic resin sheet to which the protruding pattern 410A is transferred.
- the resin mold 26 having the concave pattern 26A that is the inverted shape of the protruding pattern 410A of the electroforming mold 410 can be produced.
- a silicone resin in which a curing agent is added to PDMS (polydimethylsiloxane, for example, Sylgard 184, Sylgard: registered trademark manufactured by Dow Corning) is prepared.
- the protruding pattern 410A of the electroforming mold 410 is pressed against the silicone resin.
- the silicone resin is heated at 100 ° C. to be cured.
- the electroformed mold 410 is peeled from the cured silicone resin.
- the resin mold 26 having the concave pattern 26A that is the inverted shape of the protruding pattern 410A of the electroforming mold 410 can be produced.
- the size of each concave portion of the concave pattern 26A is substantially the same as the size of the protruding portion of the protruding pattern 410A.
- the method for producing the mold 26 is not limited to the first to third methods.
- FIGS. 22A to 22G are process diagrams showing the procedure of the method for manufacturing the pattern sheet 220 using the mold 26.
- FIG. 18A to 18G, the process diagram showing the procedure of the pattern sheet manufacturing method, and FIGS. 22A to 22G are the process diagrams showing the procedure of the pattern sheet manufacturing method.
- the difference between the mold 22 and the mold 26 is shown in FIG. Is basically the same except for. Therefore, the same components as those in the process diagrams shown in FIGS. 18A to 18G may be denoted by the same reference numerals and description thereof may be omitted.
- FIG. 22A shows a state where the mold 26 is prepared.
- the mold 26 is manufactured using an electroforming mold 410 as shown in FIGS. 21A to 21C.
- the mold 26 has a concave pattern 26A on one surface.
- FIG. 22B shows a supply process of supplying the polymer solution 200 to the concave pattern 26A of the mold 26.
- the polymer solution 200 is basically the same as the polymer solution 200 described with reference to FIGS. 18A to 18G.
- the polymer solution 200 is supplied to the mold 26, and the polymer solution 200 is filled in the concave pattern 26A. That is, the polymer solution 200 is filled in the recesses constituting the concave pattern 26A.
- the filling method described with reference to FIGS. 18A to 18G can be applied.
- FIG. 22C shows a drying process in which the polymer solution 200 is dried to form the polymer sheet 210.
- the polymer solution 200 supplied to the mold 26 can be dried by blowing air.
- the drying method, conditions, and the like described in FIGS. 18A to 18G can be applied.
- FIG. 22D and 22E show a polymer sheet peeling step for peeling the polymer sheet 210 from the mold 26.
- FIG. 22D a sheet-like base material 300 on which an adhesive layer is formed is attached to the opposite surface of the mold 26 to the polymer sheet 210.
- the base material 300 and the polymer sheet 210 are peeled off at the same time.
- a suction cup (not shown) is installed on the surface of the base material 300 opposite to the surface to be bonded to the polymer sheet 210, and the base material 300 is pulled up vertically while being sucked with air.
- the polymer sheet 210 is peeled from the mold 26 to form a pattern sheet 220 having a protruding pattern 220A.
- the material of the mold 26 is preferably composed of a material that is very easy to peel off. Further, by making the material constituting the mold 26 a highly elastic and soft material, the stress applied to the protruding pattern 220A of the pattern sheet 220 at the time of peeling can be relaxed.
- the projecting pattern 220A of the pattern sheet 220 has a reverse shape of the concave pattern 26A of the mold 26.
- the pattern sheet 220 is basically the same as the polymer sheet 210 peeled from the mold 26.
- FIG. 22F and 22G show a cutting process in which the pattern sheet 220 is cut into individual pattern sheets 220.
- the pattern sheet 220 having the protruding pattern 220A peeled off from the mold 26 and the substrate 300 are set in a cutting device (not shown).
- the position for cutting the pattern sheet 220 is determined. Basically, the cutting position is determined for each protruding pattern 220A.
- the pattern sheet 220 is cut into a plurality of individual pattern sheets 220.
- the example in which the pattern sheet 220 and the substrate 300 are cut at the same time has been shown, but the present invention is not limited to this.
- the base material 300 can be peeled and the pattern sheet 220 can be cut into individual pattern sheets 220.
- the present invention is not limited thereto.
- the polymer solution 200 containing the drug can be filled into the concave pattern 20A and dried, and then the polymer solution 200 not containing the drug can be filled into the concave pattern 20A and dried to obtain a polymer sheet.
- the number of times the polymer solution 200 is supplied and the presence or absence of the drug in the polymer solution 200 can be appropriately changed.
- a step between the concave patterns can be suppressed, an original production process can be reduced, and productivity can be improved.
- Laser displacement meter 200 ... Polymer solution 210 ... Polymer sheet 220 ... Pattern sheet 220A ... Protrusion pattern 300 ... Base material 400 ... Metal body 410 ... Electroforming mold 410A ... Protrusion Pattern X ... Pressing surface Y ... Outer surface P ... Molded resin Q ... Rise
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dermatology (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Micromachines (AREA)
Abstract
Description
以下、熱可塑性樹脂シートの表面のうち、原版の突起状パターンが押圧する面を押圧面という。本発明のモールドの作製方法の第1の実施の形態は、押圧面がフラットな場合であり、且つ、原版を熱可塑性樹脂シートの表面に押圧する際に、原版のパターン存在領域のうちの突起部を除いた部分を、フラットな押圧面に到達する手前で止める場合である。
本発明のモールドの作製方法の第2の実施の形態は、熱可塑性樹脂シート20の表面とは、原版10の突起状パターン10Aが押圧する押圧面Xであって、押圧面Xに予め窪み24が形成されている場合である。換言すると、図8に示すように、凹状パターン20Aが形成される領域に窪み24が形成されている場合である。即ち、押圧面Xは、原版10の突起状パターン10Aを形成する突起部12が押圧される熱可塑性樹脂シート20の表面20Bのうち凹状パターン20Aが形成される領域であり、原版10のパターン存在領域10Dに対応する領域である。
2…段差
3…複製型
10…原版
10A…突起状パターン
10B…平面
12…突起部
12A…針部
12B…錐台部
12C…柱状部
20…熱可塑性樹脂シート
20A…凹状パターン
20B…表面
22…モールド
24…窪み
24A…側面
24B…底面
26…モールド
26A…凹状パターン
30…位置決め装置
32…Z軸駆動機構
34…連結部
36…保持部
38…テーブル
40…X軸駆動機構
42…Y軸駆動機構
44…架台
46…制御システム
48…レーザー変位計
200…ポリマー溶解液
210…ポリマーシート
220…パターンシート
220A…突起状パターン
300…基材
400…金属体
410…電鋳金型
410A…突起状パターン
X…押圧面
Y…外表面
P…溶融樹脂
Q…盛り上がり部
Claims (12)
- 台の上のパターン存在領域に複数の突起部で形成された突起状パターンを有する原版、及び熱可塑性樹脂シートを準備する準備工程と、
前記原版と前記熱可塑性樹脂シートとを相対的に移動して、前記原版を前記熱可塑性樹脂シートに押圧する位置を決める位置決め工程と、
加熱された前記原版の突起部を、前記原版の前記パターン存在領域うち前記突起部を除いた部分と前記熱可塑性樹脂シートの表面とを離間した位置で、前記熱可塑性樹脂シートに押圧し、前記押圧した突起部と前記熱可塑性樹脂シートとが接触した状態で前記原版を冷却し、前記原版と前記熱可塑性樹脂シートと引き離して、前記熱可塑性樹脂シートに前記突起状パターンの反転形状の凹状パターンを形成する形成工程と、
を備えるモールドの作製方法。 - 前記熱可塑性樹脂シートの前記表面のうち、前記原版の前記突起状パターンを形成する前記突起部が押圧される押圧面に予め窪みが形成されている請求項1に記載のモールドの作製方法。
- 前記形成工程において、前記原版の加熱温度が前記熱可塑性樹脂シートの溶融点以下の場合には、前記窪みは縦断面形状が弓形である請求項2に記載のモールドの作製方法。
- 前記形成工程において、前記原版の加熱温度が前記熱可塑性樹脂シートの溶融点以上の場合には、前記窪みは縦断面形状が矩形である請求項2に記載のモールドの作製方法。
- 前記熱可塑性樹脂シートの前記表面のうち、前記原版の前記突起状パターンを形成する前記突起部が押圧される押圧面はフラットであり、
前記形成工程において、前記原版の前記パターン存在領域うち前記突起部を除いた部分を、前記フラットな押圧面に到達する手前で止める請求項1に記載のモールドの作製方法。 - 前記原版を前記熱可塑性樹脂シートに押圧する際、前記熱可塑性樹脂シートの表面の位置を検出し、前記熱可塑性樹脂シートの表面の位置から一定量を押し込む請求項1から5の何れか一項に記載のモールドの作製方法。
- 前記原版を前記熱可塑性樹脂シートに押圧する際、前記原版にかかる圧力を測定し、設定されたある圧力値と比較し、前記原版の押し込み量を決定する請求項1から5の何れか一項に記載のモールドの作製方法。
- 前記突起部は、前記原版の台から離間する方向に、錐台部と先細りとなる針部を有し、前記形成工程において、前記原版を前記熱可塑性樹脂シートに押圧する際、前記錐台部を前記熱可塑性樹脂シートの表面に接触させる請求項1から5の何れか一項に記載のモールドの作製方法。
- 請求項1から8の何れか一項に記載の作製方法によりモールドを作製する工程と、
前記モールドの凹状パターンにポリマー溶解液を供給する供給工程と、
前記ポリマー溶解液を乾燥させてポリマーシートとする乾燥工程と、
前記ポリマーシートを前記モールドから剥離するポリマーシート剥離工程と、
を含む突起状パターンを有するパターンシートの製造方法。 - 請求項1から8の何れか一項に記載の作製方法によりモールドを作製する工程と、
前記モールドの凹状パターンに、電鋳法により金属体を形成する電鋳工程と、
前記金属体を前記モールドから剥離する剥離工程と、
を含む突起状パターンを有する電鋳金型の作製方法。 - 請求項10に記載の作製方法により電鋳金型を作製する工程と、
突起状パターンを有する前記電鋳金型を用いて、前記電鋳金型の突起状パターンの反転形状である凹状パターンを有する樹脂製のモールドを作製する工程と、
を含む電鋳金型を用いたモールドの作製方法。 - 請求項11に記載の作製方法により樹脂製のモールドを作製する工程と、
前記モールドの凹状パターンにポリマー溶解液を供給する供給工程と、
前記ポリマー溶解液を乾燥させてポリマーシートとする乾燥工程と、
前記ポリマーシートを前記樹脂製のモールドから剥離する剥離工程と、
を含む突起状パターンを有するパターンシートの製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16851068.3A EP3357862B1 (en) | 2015-09-30 | 2016-09-07 | Mould fabrication method, patterned sheet production method, electroformed mould fabrication method, and mould fabrication method using electroformed mould |
CN201680050229.3A CN107922183B (zh) | 2015-09-30 | 2016-09-07 | 铸模的制作方法、图案片材的制造方法、电铸模具的制作方法及使用了电铸模具的铸模的制作方法 |
JP2017543062A JP6495465B2 (ja) | 2015-09-30 | 2016-09-07 | モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 |
KR1020187006454A KR102074603B1 (ko) | 2015-09-30 | 2016-09-07 | 몰드의 제작 방법, 패턴 시트의 제조 방법, 전주 금형의 제작 방법, 및 전주 금형을 이용한 몰드의 제작 방법 |
US15/933,573 US11007678B2 (en) | 2015-09-30 | 2018-03-23 | Production method of mold, manufacturing method of pattern sheet, production method of electroform, and production method of mold using electroform |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-193480 | 2015-09-30 | ||
JP2015193480 | 2015-09-30 | ||
JP2016097825 | 2016-05-16 | ||
JP2016-097825 | 2016-05-16 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/933,573 Continuation US11007678B2 (en) | 2015-09-30 | 2018-03-23 | Production method of mold, manufacturing method of pattern sheet, production method of electroform, and production method of mold using electroform |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017056894A1 true WO2017056894A1 (ja) | 2017-04-06 |
Family
ID=58423314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/076340 WO2017056894A1 (ja) | 2015-09-30 | 2016-09-07 | モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11007678B2 (ja) |
EP (1) | EP3357862B1 (ja) |
JP (1) | JP6495465B2 (ja) |
KR (1) | KR102074603B1 (ja) |
CN (1) | CN107922183B (ja) |
WO (1) | WO2017056894A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019225288A1 (ja) * | 2018-05-25 | 2019-11-28 | 富士フイルム株式会社 | 凹段差部に凹状パターンを有するモールドの作製方法及びパターンシートの製造方法 |
WO2019230175A1 (ja) * | 2018-05-30 | 2019-12-05 | 花王株式会社 | 微細中空突起具の製造方法、及び微細中空突起具 |
CN111035849A (zh) * | 2018-10-15 | 2020-04-21 | 富士胶片株式会社 | 具有针状凸起的原版的制造方法及微针阵列的制造方法 |
EP3705254A1 (en) | 2019-03-05 | 2020-09-09 | FUJIFILM Corporation | Production method of mold having recessed pattern in recessed step portion, and manufacturing method of pattern sheet |
CN111801135A (zh) * | 2018-03-30 | 2020-10-20 | 富士胶片株式会社 | 微针阵列的制造方法 |
EP3777954A4 (en) * | 2018-03-30 | 2021-05-26 | FUJIFILM Corporation | MOLD FOR MANUFACTURING A TRANSDERMAL ABSORPTION SHEET, AND DEVICE AND METHOD FOR MANUFACTURING A TRANSDERMAL ABSORPTION SHEET HAVING NEEDLE-TYPE PROTUBERANCE |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110582320B (zh) * | 2017-05-10 | 2022-01-21 | 林治远 | 制造微针贴剂的方法 |
CN111770824B (zh) * | 2018-03-27 | 2021-11-23 | 富士胶片株式会社 | 具有凹状底座图案的模具的制作方法及图案片材的制造方法 |
DE102020104306A1 (de) * | 2020-02-19 | 2021-08-19 | Lts Lohmann Therapie-Systeme Ag | Formelement zur Herstellung von Mikrostrukturen |
CN114497911B (zh) * | 2022-01-25 | 2023-04-25 | 厦门海辰储能科技股份有限公司 | 极片以及锂离子电池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1044255A (ja) * | 1996-08-05 | 1998-02-17 | Fuji Xerox Co Ltd | 微小構造体、およびその製造方法および装置 |
JP2008044283A (ja) * | 2006-08-18 | 2008-02-28 | Osaka Prefecture Univ | ナノ構造及びマイクロ構造を有する構造体の成形用モールドの製造方法及び該モールドを用いる該構造体の製造方法 |
JP2010503454A (ja) * | 2006-09-18 | 2010-02-04 | エージェンシー フォー サイエンス、テクノロジー アンド リサーチ | 針構造および針構造を製作するための方法 |
JP2011078617A (ja) * | 2009-10-08 | 2011-04-21 | Toray Eng Co Ltd | マイクロニードルシートのスタンパー及びその製造方法とそれを用いたマイクロニードルの製造方法 |
JP2011078618A (ja) * | 2009-10-08 | 2011-04-21 | Toray Eng Co Ltd | マイクロニードルスタンパーの製造方法 |
JP2012055343A (ja) * | 2010-09-03 | 2012-03-22 | Toray Eng Co Ltd | マイクロニードルシート及びその製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7150844B2 (en) * | 2003-10-16 | 2006-12-19 | Seagate Technology Llc | Dry passivation process for stamper/imprinter family making for patterned recording media |
CN100540086C (zh) | 2004-03-12 | 2009-09-16 | 新加坡科技研究局 | 用来制造侧开口微型针的方法及模具 |
EP1959299B1 (en) * | 2005-06-10 | 2012-12-26 | Obducat AB | Pattern replication with intermediate stamp |
JP4736821B2 (ja) * | 2006-01-24 | 2011-07-27 | 株式会社日立製作所 | パターン形成方法およびパターン形成装置 |
JP2008142183A (ja) * | 2006-12-07 | 2008-06-26 | Fujifilm Corp | マイクロニードルシート及びその製造方法 |
JP2010263124A (ja) * | 2009-05-08 | 2010-11-18 | Sumitomo Electric Ind Ltd | Iii−v族半導体光デバイスの製造方法 |
JP5433370B2 (ja) | 2009-10-16 | 2014-03-05 | 東芝機械株式会社 | 型の製造方法 |
JP5699461B2 (ja) * | 2010-07-02 | 2015-04-08 | 住友電気工業株式会社 | ナノインプリント用モールド |
JP6034398B2 (ja) * | 2012-11-13 | 2016-11-30 | 富士フイルム株式会社 | モールド成形体及び経皮吸収シートの製造方法 |
-
2016
- 2016-09-07 CN CN201680050229.3A patent/CN107922183B/zh active Active
- 2016-09-07 KR KR1020187006454A patent/KR102074603B1/ko active IP Right Grant
- 2016-09-07 WO PCT/JP2016/076340 patent/WO2017056894A1/ja active Application Filing
- 2016-09-07 JP JP2017543062A patent/JP6495465B2/ja active Active
- 2016-09-07 EP EP16851068.3A patent/EP3357862B1/en active Active
-
2018
- 2018-03-23 US US15/933,573 patent/US11007678B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1044255A (ja) * | 1996-08-05 | 1998-02-17 | Fuji Xerox Co Ltd | 微小構造体、およびその製造方法および装置 |
JP2008044283A (ja) * | 2006-08-18 | 2008-02-28 | Osaka Prefecture Univ | ナノ構造及びマイクロ構造を有する構造体の成形用モールドの製造方法及び該モールドを用いる該構造体の製造方法 |
JP2010503454A (ja) * | 2006-09-18 | 2010-02-04 | エージェンシー フォー サイエンス、テクノロジー アンド リサーチ | 針構造および針構造を製作するための方法 |
JP2011078617A (ja) * | 2009-10-08 | 2011-04-21 | Toray Eng Co Ltd | マイクロニードルシートのスタンパー及びその製造方法とそれを用いたマイクロニードルの製造方法 |
JP2011078618A (ja) * | 2009-10-08 | 2011-04-21 | Toray Eng Co Ltd | マイクロニードルスタンパーの製造方法 |
JP2012055343A (ja) * | 2010-09-03 | 2012-03-22 | Toray Eng Co Ltd | マイクロニードルシート及びその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3357862A4 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111801135A (zh) * | 2018-03-30 | 2020-10-20 | 富士胶片株式会社 | 微针阵列的制造方法 |
EP3777955A4 (en) * | 2018-03-30 | 2021-05-26 | FUJIFILM Corporation | MICRON NEEDLE ARRANGEMENT MANUFACTURING METHOD |
EP3777954A4 (en) * | 2018-03-30 | 2021-05-26 | FUJIFILM Corporation | MOLD FOR MANUFACTURING A TRANSDERMAL ABSORPTION SHEET, AND DEVICE AND METHOD FOR MANUFACTURING A TRANSDERMAL ABSORPTION SHEET HAVING NEEDLE-TYPE PROTUBERANCE |
WO2019225288A1 (ja) * | 2018-05-25 | 2019-11-28 | 富士フイルム株式会社 | 凹段差部に凹状パターンを有するモールドの作製方法及びパターンシートの製造方法 |
WO2019230175A1 (ja) * | 2018-05-30 | 2019-12-05 | 花王株式会社 | 微細中空突起具の製造方法、及び微細中空突起具 |
JP2019205767A (ja) * | 2018-05-30 | 2019-12-05 | 花王株式会社 | 微細中空突起具の製造方法、及び微細中空突起具 |
CN111035849A (zh) * | 2018-10-15 | 2020-04-21 | 富士胶片株式会社 | 具有针状凸起的原版的制造方法及微针阵列的制造方法 |
US11597122B2 (en) * | 2018-10-15 | 2023-03-07 | Fujifilm Corporation | Manufacturing method of plate precursor having needle-like protrusion, and manufacturing method of microneedle array |
JP2020142415A (ja) * | 2019-03-05 | 2020-09-10 | 富士フイルム株式会社 | 凹段差部に凹状パターンを有するモールドの作製方法及びパターンシートの製造方法 |
EP3705254A1 (en) | 2019-03-05 | 2020-09-09 | FUJIFILM Corporation | Production method of mold having recessed pattern in recessed step portion, and manufacturing method of pattern sheet |
JP7038679B2 (ja) | 2019-03-05 | 2022-03-18 | 富士フイルム株式会社 | 熱可塑性樹脂原版の作製方法、金型の作製方法、モールドの作製方法及びパターンシートの製造方法 |
US11534943B2 (en) | 2019-03-05 | 2022-12-27 | Fujifilm Corporation | Production method of mold having recessed pattern in recessed step portion, and manufacturing method of pattern sheet |
US11772305B2 (en) * | 2019-03-05 | 2023-10-03 | Fujifilm Corporation | Production method of mold having recessed pattern in recessed step portion |
Also Published As
Publication number | Publication date |
---|---|
EP3357862A4 (en) | 2019-03-06 |
US11007678B2 (en) | 2021-05-18 |
KR20180039103A (ko) | 2018-04-17 |
EP3357862B1 (en) | 2020-03-04 |
KR102074603B1 (ko) | 2020-02-06 |
JP6495465B2 (ja) | 2019-04-03 |
JPWO2017056894A1 (ja) | 2018-06-21 |
US20180215078A1 (en) | 2018-08-02 |
EP3357862A1 (en) | 2018-08-08 |
CN107922183B (zh) | 2022-09-13 |
CN107922183A (zh) | 2018-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6495465B2 (ja) | モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 | |
JP6600689B2 (ja) | パターンシートの製造方法 | |
US11534943B2 (en) | Production method of mold having recessed pattern in recessed step portion, and manufacturing method of pattern sheet | |
WO2014077242A1 (ja) | 経皮吸収シートの製造方法 | |
US10814527B2 (en) | Method of producing transdermal absorption sheet | |
US10441532B2 (en) | Method of producing transdermal absorption sheet | |
US10814118B2 (en) | Transdermal absorption sheet | |
US10195768B2 (en) | Method of manufacturing mold and method of manufacturing pattern sheet | |
JP6571586B2 (ja) | モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いたモールドの作製方法 | |
EP3153291B1 (en) | Method of manufacturing mold and method of manufacturing pattern sheet | |
WO2017056893A1 (ja) | 集合モールドの作製方法、パターンシートの製造方法、電鋳金型の作製方法、及び電鋳金型を用いた第2モールドの作製方法 | |
WO2019225288A1 (ja) | 凹段差部に凹状パターンを有するモールドの作製方法及びパターンシートの製造方法 | |
WO2017061310A1 (ja) | 経皮吸収シートの製造方法 | |
JP2017209240A (ja) | パターンアレイシート成形用型の製造方法、及びマイクロニードルアレイの製造方法 | |
JP2018042677A (ja) | 凹状パターンモールドおよびパターンシートの製造方法 | |
JP2017213171A (ja) | 凹状パターンモールド、凹状パターンモールドの製造方法、および、パターンシートの製造方法 | |
JP2017205152A (ja) | モールド及びパターンシートの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DPE2 | Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16851068 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2017543062 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20187006454 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2016851068 Country of ref document: EP |