WO2016092735A1 - セラミック複合シート及びその製造方法 - Google Patents

セラミック複合シート及びその製造方法 Download PDF

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Publication number
WO2016092735A1
WO2016092735A1 PCT/JP2015/005434 JP2015005434W WO2016092735A1 WO 2016092735 A1 WO2016092735 A1 WO 2016092735A1 JP 2015005434 W JP2015005434 W JP 2015005434W WO 2016092735 A1 WO2016092735 A1 WO 2016092735A1
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WIPO (PCT)
Prior art keywords
composite sheet
direction group
ceramic composite
divided
ceramic
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PCT/JP2015/005434
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English (en)
French (fr)
Japanese (ja)
Inventor
真 定井
中井　克実
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戸田工業株式会社
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Priority to JP2016563396A priority Critical patent/JP6976684B2/ja
Publication of WO2016092735A1 publication Critical patent/WO2016092735A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
    • C04B41/83—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • the present invention relates to a ceramic composite sheet in which a resin material layer is bonded to at least one surface of a fired ceramic layer and the ceramic layer is divided into fine pieces, and a method for manufacturing the same.
  • an electronic device or the like absorbs an electromagnetic wave radiated from the electronic device and absorbs an electromagnetic wave entering the electronic device or the like. Therefore, an amorphous magnetic material, a sintered ferrite magnetic material, a magnetic powder such as ferrite, and a binder.
  • a composite magnetic body made of resin or a ceramic composite sheet in which a film (resin material layer) is bonded to a magnetic body such as sintered ferrite is mounted.
  • an RFID Radio Frequency Frequency identification
  • a ceramic composite sheet having a high magnetic permeability is disposed between the antenna coil of the RFID tag and the conductive member in order to increase communication sensitivity.
  • the antenna is manufactured in a planar shape with a flexible electronic material such as FPC, and the influence of metal in the electronic device is reduced on the antenna substrate, and good communication characteristics can be obtained.
  • a ceramic composite sheet is attached.
  • seat is performed. And while preventing the division
  • a resin film (resin material layer) provided with an adhesive material layer is bonded to both surfaces of the fired ceramic layer and then divided into small pieces. Thereby, the powder fall from the division
  • a method of passing a ceramic composite sheet through a roller is performed.
  • a ceramic in which a laminated material layer composed of a resin material layer and an adhesive material layer is provided on one surface of a fired ceramic layer Disclosed is a method of using a composite sheet, in which the support plate is provided along a substantially right angle around the roller, and the ceramic composite sheet on the support plate is bent in the same way and is divided around the roller. Has been.
  • Patent Document 2 there is a method of dividing the ceramic layer by changing the direction of the ceramic composite sheet placed on the mount at a predetermined interval around the circumference of the roller, and a method of dividing through the nip rollers having different diameters. It is disclosed.
  • the ceramic layer is divided by greatly changing the direction 90 ° or substantially in the opposite direction along the circumference of the roller and passing the ceramic composite sheet.
  • the divided line group composed of a plurality of parallel divided lines
  • the vertical line group and the horizontal line group are perpendicular to each other, and the strips individually divided by the vertical line group and the horizontal line group are vertically and horizontally.
  • the length is the same.
  • the sheet has the same ease of bending in the vertical and horizontal directions, so the operator holds the sheet in his hand.
  • the sheet is difficult to handle, for example, if the sheet is too flexible, the sheet moves up and down, which makes it difficult to apply the sheet to a predetermined application position, and takes time for the operation.
  • the present invention has been made in view of the above points, and provides a ceramic composite sheet that can achieve both conformability to the unevenness of the part to which the target component is attached in the sheet and ease of application work, and a method for manufacturing the same. There is to do.
  • the average number of division lines per unit width is changed in different division directions so as to be easy to handle.
  • the first ceramic composite sheet of the present invention is a ceramic composite sheet comprising a fired ceramic layer and a resin material layer bonded to at least one surface of the fired ceramic layer, and a plurality of fired ceramic layers.
  • the plurality of division lines of the fired ceramic layer include a first direction group extending in the first direction and a second direction group extending in a direction different from the first direction group.
  • the number of average division lines per unit width of the second direction group is larger than that of the first direction group.
  • the ceramic composite sheet is difficult to bend in a direction parallel to the first direction group, and is easy to bend in a direction parallel to the second direction group. Excellent stability.
  • it becomes easy to adjust the target part to a predetermined position the pasting work according to the unevenness of the target part is stabilized, and variation by the operator can be prevented.
  • aligning and aligning a product with more unevenness or a greater difference in unevenness aligning the more difficult to bend to the alignment side, or sticking on both sides before applying
  • the workability is greatly improved, such as making it easier to peel off the release sheet by gripping the more easily bent side.
  • the first direction group and the second direction group are orthogonal, and the ratio of the average number of divided lines per unit width of the two direction group to the first direction group is 1.3 or more. It may be 5.0 or less.
  • the ease of bending of the first direction group and the second direction group of the ceramic composite sheet can be set in a specific range, the ease of handling is further improved.
  • the ratio of the average number of divided lines per unit width of the second direction group to the first direction group is 1.3 or more and 5.0 or less, and the first direction group
  • the average number of division lines may be 1 to 20 per 1 cm width, and the average number of division lines in the second direction group may be 1.3 to 26 per 1 cm width.
  • the second ceramic composite sheet of the present invention comprises a fired ceramic layer and a resin material layer bonded to at least one side of the fired ceramic layer, and the fired ceramic layer is divided into strips along a plurality of dividing lines.
  • the plurality of dividing lines of the fired ceramic layer include a first direction group extending in the first direction and a second direction group extending in a direction different from the first direction group, and compared to the end face of the first direction group, It is good also as a structure which makes it easy to maintain the end surface of a two-direction group in a planar state.
  • the same effect as that obtained by the first ceramic composite sheet described above can be obtained, and it is easy to match the reference position of the surface to which the target component is attached, and the displacement is less likely to occur.
  • the third ceramic composite sheet of the present invention includes a fired ceramic layer and a resin material layer bonded to at least one side of the fired ceramic layer, the ceramic composite sheet is formed in a rectangular shape, and the fired ceramic layer is divided into a plurality of parts.
  • a plurality of dividing lines of the fired ceramic layer are divided along a line, and a first direction group formed in a direction parallel to the rectangular short side and a direction parallel to the long side of the rectangular shape are formed.
  • the second direction group may be provided, and the average number of divided lines per unit width of the second direction group may be set to be larger than that of the first direction group.
  • the same effect as that obtained by the first ceramic composite sheet described above can be obtained, and it can be attached according to the unevenness of the target part, and variation by the operator can be prevented.
  • the fourth ceramic composite sheet of the present invention includes a fired ceramic layer and a resin material layer bonded to at least one surface of the fired ceramic layer, and the ceramic composite sheet includes a short horizontal side and a relatively long vertical side.
  • the fired ceramic layer is divided into strips along a plurality of dividing lines, and the plurality of dividing lines of the fired ceramic layer are formed in a direction parallel to the horizontal side.
  • the first direction group and the second direction group formed in a direction parallel to the vertical side, and the average number of divided lines per unit width of the second direction group is larger than the first direction group. May be set.
  • the same effect as that obtained by the first ceramic composite sheet described above can be obtained, and the ceramic composite sheet having an L shape, a U shape, or an I shape can be attached. Handling workability is greatly improved.
  • the method for producing a ceramic composite sheet of the present invention includes a firing step of firing a ceramic green sheet having a predetermined shape to form a fired ceramic layer, and a resin material layer on at least one surface of the fired ceramic layer via an adhesive material layer. And laminating the laminated ceramic composite sheet through a dividing device to pass the fired ceramic layer between the first direction group and the second direction group different from the first direction group.
  • a dividing step in which the dividing line is divided into pieces and the resin layer is not divided.
  • the average number of dividing lines per unit width of the second direction group is set to the first direction group. It is characterized by an increase.
  • this configuration it is possible to obtain a ceramic composite sheet that is difficult to bend in a direction parallel to the first direction group and easy to bend in a direction parallel to the second direction group. It is easy to provide a ceramic composite sheet excellent in work stability. In addition, it is possible to provide a ceramic composite sheet that can be easily adjusted to a predetermined position of the target component, can be stably attached according to the unevenness of the target component, and can prevent variation by the operator.
  • a ceramic composite sheet capable of greatly improving workability, such as when the release sheet is gripped to expose the adhesive layer of the tape, so that the release sheet can be easily peeled off by gripping the easy-bend side. be able to.
  • a portion including the end face of the fired ceramic layer may be covered with a resin layer in the laminating step.
  • the first direction group and the second direction group are orthogonal to each other, and the ratio of the average number of divided lines per unit width of the second direction group to the first direction group is 1. It may be 3 or more and 5.0 or less.
  • the ratio of the average number of divided lines per unit width of the first direction group to the second direction group is 1.3 or more and 5.0 or less, and the first direction group
  • the average number of division lines may be 1 to 20 per 1 cm width, and the average number of division lines in the second direction group may be 1.3 to 26 per 1 cm width.
  • the ceramic composite sheet Before the firing step, parallel induction grooves corresponding to the first direction group and the second direction group are provided in advance in the ceramic green sheet, and in the dividing step, the ceramic composite sheet It is good also as a structure which divides
  • a parallel attracting groove corresponding to only the first direction group is provided in advance in the ceramic green sheet before the firing step, and the ceramic composite sheet is divided in the dividing step. It is good also as a structure which divides
  • a splitting device for splitting the ceramic composite sheet in the splitting step includes a roller pair composed of two rollers facing each other, and the ceramic composite sheet is placed between the roller pair. It is good also as a structure divided
  • the ceramic composite sheet can be easily and reliably divided because it is divided by the roller pair.
  • the ceramic composite sheet is divided along the first direction group through the roller pair, and the direction of the ceramic composite sheet passing through the roller pair is set to the first direction group. It is good also as a structure which changes to a 2nd direction group different from, and is divided
  • the same roller pair is used, so the equipment can be made compact.
  • the dividing device includes another roller pair on the rear side of the roller pair, and divides the ceramic composite sheet along the first direction group through the roller pair on the front side.
  • the second direction group may be different from the first direction group, and may be divided along the second direction group through a pair of rollers on the rear side.
  • the strips can be divided in different directions, for example, perpendicular directions. Therefore, the ceramic composite sheet which can be bonded along the unevenness
  • one roller is pressed against the other roller, and an arc-shaped recess is formed on the surface of one roller along the surface of the other roller. Further, a configuration may be adopted in which the ceramic composite sheet is divided between the pair of rollers.
  • the arc-shaped depression is formed on the surface of one roller along the surface of the other roller, it can be surely divided into small pieces of the same size.
  • FIG. 5 is a perspective view schematically showing a part of the dividing device in FIG. 4.
  • FIG. 5 is an explanatory view showing a state in which the ceramic composite sheet moves and contacts both rollers in the dividing device of FIG. 4.
  • FIG. 5 is an explanatory view showing a state in which the ceramic composite sheet has moved to the narrowest portion between both rollers in the dividing device of FIG. 4.
  • FIG. 5 is an explanatory view showing a state in which the ceramic composite sheet moves and further advances from the narrowest portion between both rollers in the dividing device of FIG. 4.
  • FIG. 1 is a cross-sectional view showing a part of a ceramic composite sheet according to Embodiment 1 of the present invention. Based on FIG. 1, the ceramic composite sheet of Embodiment 1 is demonstrated.
  • the ceramic composite sheet 10 includes a pressure-sensitive adhesive layer 5 on one surface (lower side in FIG. 1) of the fired ceramic layer 3 having a predetermined shape (for example, rectangular shape), and a resin material layer on the surface side of the pressure-sensitive adhesive layer 5. 4, and another adhesive material layer 5 is further laminated on the surface side of the resin material layer 4 to form a laminated material layer 6. Further, a release sheet 8 is laminated on the surface side of the laminated material layer 6, and a resin material layer 4 is laminated on the other (upper side in FIG. 1) via an adhesive material layer 5 to form a protective material layer 7. It has a laminated structure. In the cross-sectional view of FIG. 1, for convenience of explanation, the thickness of each layer is shown exaggerated from the actual thickness.
  • ferrite As the ceramic material of the fired ceramic layer 3, a known material such as ferrite is used.
  • the ferrite is not particularly limited as long as it is soft ferrite, and known soft ferrite can be used. Examples thereof include Mn—Zn ferrite, Ni—Zn ferrite, Ni—Zn—Cu ferrite, Mn—Mg ferrite, Li ferrite and the like. Also, soft ferrite whose composition is changed according to the frequency of the electromagnetic wave to be used can be used.
  • the thickness of the fired ceramic layer 3 is 0.01 mm to 5 mm, preferably 0.02 to 3 mm, more preferably 0.03 to 1 mm.
  • the thickness is less than 0.01 mm, handling as a sheet becomes difficult, and the yield in the manufacturing operation of the ceramic composite sheet 10 becomes poor. If it exceeds 5 mm, the weight of the fired ceramic layer 3 is undesirably increased.
  • a layer containing a resin material such as a laminated material layer 6 or a protective material layer 7 composed of a resin material layer 4 or an adhesive material layer 5 provided on the surface of the fired ceramic layer 3 is collectively referred to as a resin layer.
  • a double-sided adhesive tape may be mentioned. It does not restrict
  • the fired ceramic layer 3 is divided into strips 2c (both see FIG. 2) along the dividing lines 2a and 2b.
  • the resin is not particularly limited as long as it is a resin that extends without breaking, and a known single-sided adhesive tape can be used. For example, a polyester film adhesive tape etc. are mentioned.
  • the thickness of the protective material layer 7 is 0.001 to 0.2 mm, preferably 0.005 to 0.15 mm, and more preferably 0.01 to 0.1 mm. When the thickness of the protective material layer 7 is less than 0.001 mm, it is easy to break and it is difficult to prevent powder falling. When the thickness exceeds 0.2 mm, the effect of preventing powder falling is saturated, so that it is not necessary to increase the thickness beyond 0.2 mm.
  • the combination of the laminated material layer 6 and the protective material layer 7 provided on both sides of the fired ceramic layer 3 is not particularly limited. Further, the laminated material layer 6 may be provided on both sides of the fired ceramic layer 3, and the protective material layer 7 may be provided on both sides of the fired ceramic layer 3.
  • induction grooves 2 a and 2 b may be formed in advance on one surface of the ceramic green sheet 2 before firing (in addition, since a division line is formed by the induction grooves, both have the same reference numerals. To explain).
  • the attraction grooves 2a and 2b since the attraction grooves 2a and 2b become the dividing lines 2a and 2b, the attraction grooves 2a and 2b may be grooves that induce a crack along the dividing lines 2a and 2b.
  • the (depth) is not particularly limited.
  • the attracting grooves 2a and 2b may be continuous grooves or intermittent grooves, and their distribution shape may be a grid shape or other shapes.
  • attracting grooves 2a and 2b disclosed in Japanese Patent Application Laid-Open No. 2005-15293 can be used. Therefore, detailed description is omitted here.
  • the cross-sectional shape of the attracting grooves 2a and 2b is not particularly limited as long as the fired ceramic layer 3 can be divided by the attracting grooves 2a and 2b.
  • the protective material layer 7 can be divided at the induction grooves (dividing lines) 2a and 2b, and the fired ceramic layer 3 can be provided with flexibility, and the fired ceramic layer 3 is cracked. Those with little decrease in magnetic permeability are preferred.
  • the protective material layer 7 is not particularly limited as long as the fired ceramic layer 3 is a resin that extends without breaking even when the fired ceramic layer 3 is mountain-folded by the induction grooves 2a and 2b and divided by the dividing lines 2a and 2b.
  • the method for producing the ceramic composite sheet 10 of the present invention first cuts the ceramic green sheet 2 obtained on the resin film 1 such as PET into a predetermined shape, The resin film 1 is peeled off to obtain a ceramic green sheet 2.
  • the ceramic green sheet 2 is fired to form a fired ceramic layer 3, and the laminated material layer 6 and the protective material layer 7 described above are laminated on both sides to obtain a ceramic composite sheet 10.
  • the fired ceramic layer 3 of the ceramic composite sheet 10 on which the laminated material layer 6 and the protective material layer 7 are laminated is divided into small pieces, and further, a machine such as a press in a desired shape according to the purpose of use and the product used. Cutting with a special means or laser.
  • the ceramic green sheet 2 is formed on the resin film 1 (step S1).
  • the ceramic green sheet 2 can be manufactured by a known method. For example, after mixing ceramic powder, binder resin, and solvent, it is applied on a resin film (or resin sheet) 1 with a doctor blade or the like to obtain a ceramic green sheet 2.
  • the ceramic green sheet 2 may be formed into a predetermined size and shape in advance, or may be cut into a predetermined size and shape after being formed as a continuous sheet. In this case, the cutting for making the ceramic green sheet 2 into a predetermined size and shape may be performed before the firing process.
  • the ceramic green sheet 2 can be obtained by mixing a ceramic powder, a binder resin, and a solvent, and then using a powder compression molding method, an injection molding method, a calendar method, an extrusion method, or the like. In addition, you may degrease the ceramic green sheet 2 as needed.
  • induction grooves 2a and 2b serving as cracks (partition lines) are formed on one surface of the ceramic green sheet 2 (step S2).
  • the attracting grooves 2a and 2b are formed in a matrix form vertically and horizontally.
  • the attraction grooves 2a and 2b are formed by pressing a forming blade corresponding to the attraction grooves 2a and 2b.
  • a plurality of split lines 2b orthogonal to the division line 2a extends in the second direction D 2
  • a second direction group is configured. That is, the first direction group D 1 and the second direction group D 2 has a configuration perpendicular.
  • the fired ceramic layer 3 is divided along the attracting grooves 2a and 2b, and the attracting groove 2a is divided into lines (first direction). Group) 2a, the induction groove 2b becomes a dividing line (second direction group) 2b, and the fired ceramic layer 3 is finely divided into strips 2c.
  • the induction grooves 2a, 2b are formed during the formation of the ceramic green sheet 2, It can be formed after molding or after baking treatment. For example, when the induction grooves 2 a and 2 b are formed by a powder compression molding method or an injection molding method, it is preferable to form the grooves during the molding of the ceramic green sheet 2.
  • the ceramic green sheet 2 is formed and before firing. It is preferable to form a groove in.
  • the resin film 1 is peeled off from the ceramic green sheet 2 obtained in step S2 to make the sheet only of the ceramic green sheet 2 (step S3). Since the resin film 1 is unnecessary in the baking step described later, it is removed in this step.
  • this step S3 can be omitted.
  • step S4 the ceramic green sheet 2 obtained in step S3 is placed in a heating furnace and fired to produce a fired ceramic layer 3 (step S4).
  • the resin material layer 4 and the adhesive material layer 5 are integrally formed on the surface of the fired ceramic layer 3 obtained in step S4 on the side opposite to the surface where the attracting grooves 2a and 2b are formed.
  • the laminated material layer 6 (for example, double-sided adhesive tape) is provided, and a protective material layer 7 for preventing powder falling is provided on the surface opposite to the surface on which the laminated material layer 6 is formed (step S5). .
  • the protective material layer 7 is formed by adhering a film or sheet of PET resin or the like constituting the protective material layer 7 to the surface of the fired ceramic layer 3 through an adhesive material, or a resin constituting the protective material layer 7. It is formed by applying the contained paint to the surface of the fired ceramic layer 3.
  • a laminating process is performed in which a resin film (a laminated material layer 6 in which the adhesive material layer 5 is provided on the resin material layer 4) is attached to one side of the fired ceramic layer 3.
  • the peeling sheet 8 is bonded on the surface side of the laminated material layer 6 in a state where the release sheet 8 can be divided with the adhesive material layer 5 interposed.
  • a protective material layer 7 is bonded to the other surface across the fired ceramic layer 3.
  • the laminated material layer 6 and the protective material layer 7 are made larger than the sintered ceramic layer 3 from a viewpoint of preventing exposure of the end surface 3a (see FIG. 13) of the sintered ceramic layer 3.
  • the laminated material layer 6 and the protective material layer 7 are brought into contact with each other so as to be joined, and the fired ceramic layer 3 protects the laminated material layer 6. It is good also as a structure wrapped with the material layer 7.
  • the ceramic composite sheet 10 in which the resin material layer 4 is bonded to the at least one surface of the fired ceramic layer 3 with the adhesive material layer 5 is formed.
  • the laminated material layer 6 and the protective material layer 7 are provided on the surface of the fired ceramic layer 3, the laminated material layer 6 or the protective material layer 7 may be provided only on one side of the fired ceramic layer 3. It is good also as a structure which provides the laminated material layer 6 (or protective material layer 7) on both surfaces of the baking ceramic layer 3.
  • FIG. 1 is a structure which provides the laminated material layer 6 (or protective material layer 7) on both surfaces of the baking ceramic layer 3.
  • the fired ceramic layer 3 of the ceramic composite sheet 10 obtained in step S5 is divided into strips 2c with reference to the dividing lines 2a and 2b (step S6).
  • the laminated material layer 6 and the protective material layer 7 formed on one surface and the other surface of the fired ceramic layer 3 remain without being divided, and only the fired ceramic layer 3 is divided into the strips 2c.
  • the ceramic composite sheet 10 can be bent by following the uneven state of the surfaces of the parts to be bonded, and the shape can be changed, and the pieces 2c of the fired ceramic layer 3 can be prevented from being separated apart. is doing.
  • Embodiment 1 constitutes a first direction group plurality of divided lines 2a extends in the first direction D 1, a plurality of split lines 2b provided the division line 2a and perpendicular direction D A second direction group extending in 2 is formed.
  • the number of division lines per unit width for example, the width W shown in FIG. 2
  • the division line 2b second direction group
  • Many are provided.
  • the ceramic composite sheet 10 is not easily bent in the direction parallel to the dividing line 2a (the first direction D 1 which is a direction perpendicular to the dividing line 2b) and is parallel to the dividing line 2b (the direction perpendicular to the dividing line 2a). It is easy to bend in the second direction D 2 ).
  • the ceramic composite sheet 10 provided with the fired ceramic layer 3 of FIG. 2 is difficult to bend when bent about the vertical axis in FIG. 2, and is bent when bent about the horizontal axis of FIG. It is easy.
  • the dividing line 2b is set in a direction in which the adherend (target part) to be attached has a relatively large unevenness or a large unevenness difference, and the dividing line in a relatively gentle direction.
  • the adherend (target part) to be attached has a relatively large unevenness or a large unevenness difference, and the dividing line in a relatively gentle direction.
  • the ratio of the average number of divided lines in the second direction group to the first direction group is preferably 1.3 or more and 5.0 or less. When the ratio is less than 1.3, there is no difference between them, and the ceramic composite sheet 10 becomes difficult to handle. On the other hand, when the ratio is larger than 5.0, there is a high possibility that the amount of bending at the larger interval is insufficient and the surface of the object cannot be followed. Therefore, the above range is preferable.
  • the average number of divided lines in the first direction group is preferably 1 to 20 per 1 cm width, and the average number of divided lines in the second direction group is preferably 1.3 to 26 per 1 cm width. .
  • the average number of divided lines per unit width is preferably in the above range.
  • the dividing device 60 includes a first roller 61 (made of metal) having a small diameter and a second roller 62 (made of resin) having a large diameter.
  • the first roller 61 and the second roller 62 are in pressure contact with each other on the outer peripheral surface of each roller, and the ceramic composite sheet 10 is passed between the rollers 61 and 62 that are in pressure contact with each other.
  • the fired ceramic layer 3 is divided into strips 2c.
  • the first roller 61 is connected to a rotational drive source such as a motor (not shown) so that the second roller 62 can be freely rotated. Therefore, when the first roller 61 is rotated, the second roller 62 is rotated along with this rotation. Note that the second roller 62 may be driven to rotate the first roller 61 freely, or both may be driven. Also, it is possible to force the ceramic composite sheet 10 to feed by making both rollers 61 and 62 free.
  • the ceramic composite sheet 10 may be mounted on a rubber belt or the like, and the rubber belt may be driven to be fed between the rollers 61 and 62 so that the ceramic composite sheet 10 is conveyed.
  • the material is not limited as long as the ceramic composite sheet 10 is pressed against the first roller 61 and can move along the surface of the first roller 61.
  • a metal, a nonmetal, a hard resin, or a combination thereof can be applied.
  • a rigid body is preferable, and a metal material such as iron or aluminum is practically easy to use.
  • the second roller 62 has a lower hardness than the first roller 61 and contacts (pressure contact) with the first roller 61 and deforms along the surface of the first roller 61. However, when the second roller 62 leaves, the original shape is restored.
  • the material is not specified as long as it has an elastic restoring force.
  • a soft resin, a urethane resin, a silicon resin, a foamed resin, an elastomer, or a combination thereof can be applied.
  • a cushion material such as resin or rubber is practically preferable. As shown in FIG.
  • the second roller 62 is constituted by a core material 62a made of a rigid body such as metal, and a resin cushion material 62b provided on the surface of the core material 62a and having a predetermined thickness. This is preferable because the second roller 62 is easily supported rotatably on the main body 64.
  • Both ends of the second roller 62 are attached to the main body 64 so as to be freely rotatable. Both ends of the metal first roller 61 are supported by a bearing portion 63, and the bearing portion 63 is inserted into a long cylindrical insertion guide portion (not shown) so as to be vertically movable. Accordingly, the first roller 61 is supported so as to be movable in the vertical direction. In this state, the bearing portion 63 is pressed by the spring 66, and the pressure contact mechanism 65 that presses the rollers 61 and 62 is configured by the bearing portion 63, the insertion guide portion, and the spring 66. Further, a pressurizing force adjusting mechanism 67 for adjusting the tension of the spring 66 is provided, and the pressing force (pressing force) of the first roller 61 can be adjusted by adjusting the tension of the spring 66.
  • the applied pressure is adjusted by moving the position of the first roller 61 in the vertical direction.
  • the configuration is not limited to this configuration as long as the applied pressure can be adjusted.
  • the pressing force may be adjusted by the strength of the spring force without moving the position, or may be controlled and adjusted by hydraulic pressure using a hydraulic cylinder instead of the spring 66. It is also possible to adjust the applied pressure by both the position and the pressing force.
  • the 1st roller 61 is comprised so that attachment or detachment is possible so that it can replace
  • the second roller 62 be detachable so that it can be replaced.
  • first rollers 61 and the second roller 62 may be disposed with their up and down directions reversed, and both the rollers 61 and 62 are disposed not in the up and down direction but in the front and rear direction or in the horizontal direction.
  • the ceramic composite sheet 10 may be passed in the direction. Further, both rollers 61 and 62 may be arranged so that the ceramic composite sheet 10 passes obliquely.
  • the diameter of the second roller 62 is set to be larger than the diameter of the first roller 61.
  • the ceramic composite sheet 10 is pressed by the second roller 62 along the outer periphery of the roller having a relatively small diameter.
  • the ceramic composite sheet 10 moves as the rollers 61 and 62 rotate, and is bent by a short moving distance, without greatly changing the moving direction of the ceramic composite sheet 10.
  • the fired ceramic layer 3 can be divided effectively. That is, in the prior art, the ceramic composite sheet 10 is configured so that the ceramic composite sheet 10 follows the outer periphery of the rollers by intentionally changing the direction when the ceramic composite sheet 10 is separated from both rollers 61 and 62 to the direction in which both rollers are entered. However, in the present invention, it is not necessary to change the direction when the ceramic composite sheet 10 is separated from both the rollers 61 and 62, and the direction can be freely set. Therefore, the productivity is excellent.
  • FIG. 6 shows a metal first roller 61 having high rigidity and a small diameter, and a second roller 62 in which a metal core material 62a is covered with a cushion layer made of a foamed urethane resin having elastic restoring force as a covering layer 62b.
  • a state in which the ceramic composite sheet 10 is in pressure contact with the second roller 62 is shown. In this pressure contact state, a part of the cushion layer 62 b of the second roller 62 is elastically deformed along the shape of the surface of the first roller 61. Further, the ceramic composite sheet 10 placed on the guide portion 70 moves to approach both rollers 61 and 62, and the tip portion of the ceramic composite sheet 10 is in contact with the second roller 62 first.
  • the tip of the ceramic composite sheet 10 comes into contact with the metal first roller 61 first, the tip of the ceramic composite sheet 10 may be damaged, but in this embodiment, the ceramic composite sheet 10 is damaged. Since it contacts the cushion layer 62b of the second roller 62 first, the risk of the damage can be prevented.
  • the ceramic composite sheet 10 comes into contact with both rollers 61 and 62 as the second roller 62 rotates. Then, the ceramic composite sheet 10 is sandwiched between the two rollers 61 and 62 in a pressure contact state, and further conveyed along with the rotation of the rollers 61 and 62. 7 to 9, the illustration of the boundary between the guide member 70 and the core material 62a of the second roller 62 and the cushion layer 62b is omitted.
  • FIG. 8 shows a state in which the tip of the ceramic composite sheet 10 has moved to the narrowest portion between the two rollers 61 and 62 in a pressed state.
  • the cushion layer 62b moves to this position and has elasticity to strongly press the ceramic composite sheet 10 against the outer periphery of the first roller 61
  • the tip of the ceramic composite sheet 10 has a shape along the outer periphery of the first roller 61. Slightly curved and elastically pinched, the fired ceramic layer 3 is divided into strips 2c.
  • the ceramic composite sheet 10 is thin and can be divided into strips 2c with a slight impact, the ceramic composite sheet 10 is not pressed along the outer periphery of the first roller 61 so that the At a position where the first roller 61 and the second roller 62 are closest (position on a plane passing between the axes of the rollers 61 and 62), the ceramic composite sheet 10 is surely secured to the rollers 61 and 62 by a predetermined pressing force.
  • the fired ceramic layer 3 is divided into strips 2c.
  • the cushion layer 62b may be provided as a flexible layer.
  • the ceramic composite sheet 10 is sandwiched between the two rollers 61 and 62 and is conveyed along the outer periphery of the first roller 61. Therefore, the ceramic composite sheet 10 is bent along the outer periphery and pressed.
  • the thin ceramic composite sheet 10 that can be divided into the fine pieces 2c with a slight impact is passed through the rollers 61 and 62, and the fine pieces 2c are divided by pressing. It can also be applied to cases.
  • FIG. 9 shows a state in which the ceramic composite sheet 10 is moved further from the narrowest portion between the rollers 61 and 62 as the rollers 61 and 62 rotate. Also in this case, when the cushion layer 62b has elasticity to strongly press the ceramic composite sheet 10 against the outer periphery of the first roller 61, the ceramic composite sheet 10 advances along the outer periphery of the first roller 61 following the tip portion, The tip portion of the ceramic composite sheet 10 moves away from both the rollers 61 and 62.
  • the fired ceramic layer 3 is divided by the dividing line 2a.
  • the ceramic composite sheet 10 divided by the dividing line 2a is turned by 90 ° and passed between the rollers 61 and 62, so that the ceramic composite sheet 10 is also divided by the dividing line 2b. become.
  • the ceramic composite sheet 10 can be surely divided into the strips 2c and the gaps between the strips 2c are almost free before being attached to the adherend.
  • the sheet does not exist. Therefore, when the ceramic composite sheet 10 of the present invention is attached along a curved surface portion or an uneven surface portion of a surface of an adherend, for example, an electronic device or an electronic component, the firing ceramic layer starts from the dividing lines 2a and 2b.
  • the ceramic composite sheet 10 of the present invention is attached along a curved surface portion or an uneven surface portion of a surface of an adherend, for example, an electronic device or an electronic component
  • the firing ceramic layer starts from the dividing lines 2a and 2b.
  • 3 is bent or broken, it does not break into an irregular shape at a place other than the dividing lines 2a and 2b, and a powder falling phenomenon does not occur. Further, it can be brought into close contact or substantially close contact with a cylindrical side curved surface and a slightly uneven surface as well as a flat surface.
  • FIG. 14 shows a double-sided pressure-sensitive adhesive tape on a surface of a laminated material layer 6 on the back surface of an identification tag in which an IC and a communication loop antenna are integrated with a ceramic composite sheet 10 cut according to the shape of a rectangular object.
  • the release sheet 8 is peeled off and attached manually.
  • the end portions 3b of the fired ceramic layer 3 can be easily attached by aligning the attaching portions.
  • the first direction group and the second direction group have different bendability. Therefore, when the ceramic composite sheet 10 is bonded along the unevenness of the adherend, the ceramic composite sheet 10 is extremely deformed. It is possible to prevent deformation in an unintended direction.
  • the present invention is not limited to this.
  • two pairs of rollers each including a first roller 61 and a second roller 62 are provided, and the ceramic composite sheet 10 is divided by the one roller pair 61, 62 on the dividing line 2a, and the other roller pair 61, 62 is used. You may make it divide
  • the pressure adjusting mechanism 67 is provided on both the one roller pair 61 and 62 and the other roller pair 61 and 62, so that the tension of the spring 66 of the press contact mechanism 65 is adjusted by the pressure adjusting mechanism 67.
  • the pressing force (pressing force) of the first roller 61 can be adjusted.
  • the pressing force adjusting mechanism 67 may make the values of the pressing forces in the roller pairs 61 and 62 the same or different values. That is, since the pressure can be freely adjusted, the utility value of the dividing device is greatly increased.
  • the dividing line is not limited to two of the first and second direction groups, and may have a configuration having direction groups extending in other directions (that is, having three or more direction groups). Further, the two roller pairs 61 and 62 may be provided not only in two sets but also in three sets or more.
  • the dividing device is not limited to the above roller pair, and other dividing means may be used. For example, you may make it divide
  • a mechanism other than the roller for example, a method of dividing by pressing with a split blade with a crushed blade or a flat mold having irregularities, or a combination of this method and normal roller splitting may be used.
  • Embodiment 2 of the present invention will be described based on FIG. In the second embodiment, only parts different from the first embodiment will be described.
  • Embodiment 2 is a manufacturing method in which step S2 of Embodiment 1 is omitted. That is, the step of forming the induction grooves 2a and 2b serving as cracks (division lines) on the surface of the ceramic green sheet 2 opposite to the resin film 1 is omitted. In particular, this step is omitted when the ceramic composite sheet 10 is thin and easily cracked, or when the material of the ceramic composite sheet 10 is easily cracked without providing the induction grooves 2a and 2b. It is.
  • the division shown in FIG. Divided by lines 2a and 2b That is, by passing the ceramic composite sheet 10 through the roller pair (rollers 61 and 62) in FIG. 5, the roller 62 is pressed against the outer periphery of the roller 61, or in the narrowest part of the rollers 61 and 62, it is substantially a strip. As a result of the division, the division line 2a is obtained.
  • the direction of the ceramic composite sheet 10 on which the dividing line 2a is formed is changed by 90 ° and passed through the roller pair (rollers 61 and 62) in FIG.
  • the average number of dividing lines per unit width is larger than that of the dividing line 2a. It will be divided by many dividing lines 2b.
  • a separate roller pair is provided to take measures such as changing the pressure applied to the rollers, changing the roller diameter, changing the roller material, and the like. It can be done easily.
  • the divided lines 2a are divided at substantially equal intervals, and the number of divided lines 2b is larger than the number of lines in the divided 2a, and at substantially equal intervals. Since it is divided, strips 2c of almost equal size can be obtained, and can be bent and pasted according to the unevenness of the surface of the target part. In addition, during the pasting operation, it is difficult to cause misalignment in alignment, and the handling is easy.
  • the induction groove 2a in the step S2 of the first embodiment (the step of forming the induction grooves 2a and 2b serving as cracks (division lines) on the surface opposite to the film 1), the induction groove 2a.
  • the feature is that only the guide groove 2b is formed and the attracting groove 2b is omitted.
  • This embodiment is an effective manufacturing method when the ceramic composite sheet 10 is thin and easily cracked, or when the ceramic composite sheet 10 is easily cracked without providing the induction groove 2b.
  • the ceramic composite sheet 10 that is divided into strips at almost the same interval in one direction is produced with the clear dividing line 2a only in one direction. Further, the ceramic composite sheet 10 is directed in another direction, for example, in a direction perpendicular to the dividing line 2a, and is subdivided by the dividing line 2b through the rollers 61 and 62. With such a configuration, the fired ceramic layer 3 is finely divided into the division line 2a and the division line 2b, and the division of the division line 2b is made narrower than the division line 2a, The same effect as in the first embodiment can be obtained. Moreover, even if the induction groove 2a is provided in the ceramic green sheet 2 before firing, since the other induction groove 2b is not provided, it is difficult to be deformed during the operation of handling the ceramic green sheet 2, Hard to break.
  • the ceramic composite sheet 10 is passed through the roller pair (rollers 61 and 62) shown in FIG. 5, pressed against the roller 61 by the roller 62, or a strip at the narrowest portion between the rollers 61 and 62.
  • the divided line 2a is obtained.
  • the direction of the ceramic composite sheet 10 on which the dividing line 2a is formed is changed by 90 °, and the ceramic composite sheet 10 is passed through the roller pair (rollers 61 and 62) shown in FIG. .
  • Embodiment 4 is the same manufacturing method as Embodiment 1, illustration is abbreviate
  • the ceramic composite sheet 10 is passed through the roller pair (rollers 61 and 62) shown in FIG. 4 to be divided into strips, thereby obtaining the dividing line 2a.
  • the ceramic composite sheet 10 is passed through the roller pair (rollers 61 and 62) shown in FIG. 4 while changing the direction to a predetermined angle, whereby the dividing line 2b is obtained.
  • the ceramic composite sheet 10 is directly passed between the rollers 61 and 62.
  • the ceramic composite sheet 10 is continuously pasted on a rubber conveyor, and the conveyor side is set to the second roller 62 side.
  • the ceramic composite sheet 10 side may be set to the first roller 61 side so as to pass between both rollers. In this case, the ceramic composite sheet 10 can be continuously passed.
  • Example 1 100 parts by weight of magnetic powder (made by Toda Kogyo Co., Ltd., trade name: Ni—Zn—Cu ferrite FRX-952), 2 ml of butylphthalylbutyl glycolate, 12 parts by weight of butyral resin and 100 ml of toluene as a solvent are mixed and dissolved in a ball mill. Distributed. After defoaming under reduced pressure with an oil rotary vacuum pump, the resulting mixture was applied to a 100 ⁇ m thick polyethylene terephthalate (PET) film with a doctor blade to a certain thickness, dried with hot air at 100 ° C. for 30 minutes, A ceramic green sheet 2 having a thickness of 100 ⁇ m was obtained.
  • PET polyethylene terephthalate
  • Inductive grooves (division lines) 2a with a width of 1.5 mm and a depth of 200 ⁇ m are formed as a first direction group, and induction grooves (divisions) with a width of 1.0 mm and a depth of 200 ⁇ m are formed in a direction perpendicular thereto.
  • Line) 2b was formed as a second direction group, and rectangular induction grooves 2a and 2b were formed.
  • the green sheet 2 was placed in a heat treatment furnace.
  • the attracting grooves 2a and 2b are lattice-shaped V-shaped grooves having a width of 1.5 mm and a spacing of 1.0 mm, respectively.
  • the width of the groove opening of the attracting grooves 2a and 2b is about 110 ⁇ m and the depth of the groove is about 100 ⁇ m. there were.
  • a polyester film pressure-sensitive adhesive tape having a thickness of 1.0 mm was attached as a protective material layer 7 to the surface of the fired ceramic layer 3 where the attracting grooves 2a and 2b were formed.
  • the double-sided adhesive tape was stuck as the laminated material layer 6 on the surface of the fired ceramic layer 3 on the opposite side of the protective material layer 7 to obtain a ceramic composite sheet 10.
  • the protective material layer 7 and the laminated material layer 6 were adhered, and the end portion 3 b of the fired ceramic layer 3 was not exposed. Further, the magnetic permeability ⁇ of the ceramic composite sheet 10 was 162.
  • the ceramic composite sheet 10 is passed between the rollers 61 and 62 with the first direction group of the attracting grooves 2a in the axial direction of the rollers 61 and 62, and the fired ceramic layer 3 is divided by the attracting grooves 2a to 1.5 mm. Spacing dividing lines 2a were formed.
  • the divided ceramic composite sheet 10 is passed between the rollers 61, 62 with the second direction group of the attraction grooves 2b in the axial direction of the rollers 61, 62, and the fired ceramic layer 3 is divided at the attraction grooves 2b.
  • the dividing lines 2b having an interval of 1.0 mm were formed.
  • the fired ceramic layer 3 was divided
  • the fired ceramic layer 3 is divided into the strips 2c by the dividing lines 61 and 62, and the protective material layer 7 and the laminated material layer 6 are formed on both surfaces of the fired ceramic layer 3 and the end portion 3b of the fired ceramic layer 3.
  • An adhered ceramic composite sheet 10 was obtained.
  • FIG. 7 shows a ceramic composite sheet 10 cut into a shape matching the shape of a rectangular object, and a release sheet 8 of a laminated material layer 6 on the back surface of an identification tag in which an IC and a communication loop antenna are integrated. It is in a state where it is peeled and pasted manually. In this affixing operation, the interval between the divided line groups 2a and 2b is different, so that it is difficult to bend in the direction parallel to the divided line group 2a, and it is easy to bend in the direction parallel to the divided line group 2b.
  • the ceramic composite sheet 10 is held in the same direction without being bent in the same manner, and the holding direction is stable. Furthermore, among the four end portions 3b of the fired ceramic layer 3, the end portions 3b in the direction to be the ends of the divided line group 2a can be easily pasted by aligning the pasted portions.
  • the obtained identification tag member is mounted on the surface of the metal box instead of the responder, the response to the interrogator is good, and the ceramic composite sheet 10 Confirmed that the influence of metal could be eliminated.
  • the ceramic composite sheet 10 could be easily peeled off from the identification tag without being broken from the dividing lines 2a and 2b and causing damage to the indeterminate shape and powder falling off. And this ceramic composite sheet 10 could be used repeatedly.
  • the peeled ceramic composite sheet 10 was in a state of being broken at the dividing lines 2a and 2b, and its magnetic permeability ⁇ was 100.
  • Example 2 The interval between the induction grooves 2a and 2b of the ceramic green sheet 2 was set to 2.0 mm and 1.0 mm, and after firing, a fired ceramic layer 3 having 2.0 and 1.0 mm induction grooves formed was obtained. In the same manner as in Example 1, a ceramic composite sheet 10 was produced.
  • Example 3 The interval between the induction grooves 2a and 2b of the ceramic green sheet 2 was set to 3.0 mm and 1.0 mm, and after firing, a fired ceramic layer 3 having 3.0 mm and 1.0 mm induction grooves formed was obtained. In the same manner as in Example 1, a ceramic composite sheet 10 was produced.
  • Example 4 The interval between the induction grooves 2a and 2b of the ceramic green sheet 2 was set to 3.0 mm and 2.0 mm, and after firing, a fired ceramic layer 3 having 3.0 mm and 2.0 mm induction grooves formed was obtained. In the same manner as in Example 1, a ceramic composite sheet 10 was produced.
  • Example 5 The interval between the induction grooves 2a and 2b of the ceramic green sheet 2 was set to 4.0 mm and 2.0 mm, and after firing, a fired ceramic layer 3 having 4.0 and 2.0 mm induction grooves formed was obtained. In the same manner as in Example 1, a ceramic composite sheet 10 was produced.
  • Example 6 The interval between the induction grooves 2a and 2b of the ceramic green sheet 2 was 6.0 mm and 2.0 mm, and after firing, a fired ceramic layer 3 in which 6.0 mm and 2.0 mm induction grooves were formed was obtained. In the same manner as in Example 1, a ceramic composite sheet 10 was produced.
  • the seventh embodiment is different from the first embodiment in the following points.
  • the ceramic green sheet 2 was fired at a thickness of 200 ⁇ m without forming an induction groove.
  • the ceramic layer 3 having a thickness of 150 ⁇ m was formed at the time of firing. With this fired ceramic layer 3, the protective material layer 7 and the laminated material layer 6 were bonded to both surfaces to form a ceramic composite sheet 10.
  • the ceramic composite sheet 10 was passed between the rollers 61 and 62 from one direction, and the ceramic composite sheet 10 was passed between the same rollers 61 and 62 by changing the direction of 90 °. At that time, the average number of dividing lines 2a of the fired ceramic layer 3 is 6.7 per 1 cm width, the average number of dividing lines 2b is 10 per cm width, and the ratio of both line groups is: 1.5.
  • Example 8 Example except that the pressing force of the roller when the ceramic composite sheet 10 is passed through the roller is adjusted to obtain the fired ceramic layer 3 having the average number of divided lines 5 and 10 in the divided line groups 2a and 2b. In the same manner as in Example 7, a ceramic composite sheet 10 was produced.
  • Example 9 Except for adjusting the pressing force of the roller when the ceramic composite sheet 10 is passed through the roller to obtain 3.3 fired ceramic layers 3 having an average number of divided lines of 3.3a and 2b, In the same manner as in Example 7, a ceramic composite sheet 10 was produced.
  • Example 10 Except for adjusting the pressing force of the roller when the ceramic composite sheet 10 is passed through the roller to obtain 3.3 and 5 fired ceramic layers 3 having an average number of divided lines of the divided line groups 2a and 2b, In the same manner as in Example 7, a ceramic composite sheet 10 was produced.
  • Example 11 Except that the pressing force of the roller when the ceramic composite sheet 10 is passed through the roller is adjusted to obtain a fired ceramic layer 3 having an average number of divided lines of 2.5 and 5 in the divided line groups 2a and 2b, In the same manner as in Example 7, a ceramic composite sheet 10 was produced.
  • Example 12 Except for adjusting the pressing force of the roller when the ceramic composite sheet 10 is passed through the roller, the average number of divided lines of the divided line groups 2a and 2b is 1.7, and 5 fired ceramic layers 3 are obtained. In the same manner as in Example 7, a ceramic composite sheet 10 was produced.
  • Example 13 is different from Example 1 in the following points.
  • the ceramic green sheet 2 was fired without forming the attracting grooves 2b, with only the attracting grooves 2a having an interval of 5 mm formed.
  • the distance between the induction grooves 2a was 1.5 mm with the ceramic layer 3 having a thickness of 400 ⁇ m.
  • the protective material layer 7 and the laminated material layer 6 were bonded to both surfaces to form a ceramic composite sheet 10.
  • the ceramic composite sheet 10 is passed between the rollers 61 and 62 with the direction of the induction groove 2a (first direction group) parallel to the axis of the roller 61, and the ceramic composite sheet 10 is further turned 90 °.
  • the same rollers 61 and 62 were passed.
  • the divided line group 2a had an average number of divided lines of 6.7 per 1 cm width
  • the divided line group 2b had an average number of divided lines of 10 per 1 cm width
  • the ratio of both line groups was 1.5.
  • Example 14 A ceramic composite sheet 10 was produced in the same manner as in Example 1 except that the induction groove was formed by two dividing lines intersecting at 120 °.
  • Example 1 A ceramic composite sheet was produced in the same manner as in Example 1 except that the induction grooves of the first direction group and the second direction group of the ceramic green sheet were formed at both intervals with 1.0 mm intervals at the same interval. Furthermore, the ceramic composite sheet was attached to the identification tag as in Example 1.
  • the bending is caused in the same way in both directions, and as a result, the worker holds it in his hand.
  • the positioning is difficult, and the operator has caused variations in the pasting position.
  • Examples 1 to 14 and Comparative Example 1 the following table summarizes the division width, which is the width between division lines, and the average number of division lines per unit width.
  • the “line ratio” means (number of lines in the second direction group) / (number of lines in the first direction group).
  • Tables 1 to 6 and Comparative Example 1 which are examples in which an induction groove is formed are shown in Table 1, and Examples 7 to 14 which are examples in which no induction groove is formed and Comparative Example 1 are in Table 2. Show.
  • the present invention is extremely useful for a ceramic composite sheet that can be adhered to and peeled from a flat, curved, or uneven surface of an electronic device and a method for manufacturing the same.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laminated Bodies (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Soft Magnetic Materials (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
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JP2020030935A (ja) * 2018-08-22 2020-02-27 株式会社日本触媒 燃料電池部材用セラミックス基板を製造する方法
CN112071202A (zh) * 2020-09-10 2020-12-11 深圳市卓耀科技有限公司 一种柔性显示面板加压脱泡设备
CN114909863A (zh) * 2021-02-08 2022-08-16 海信集团控股股份有限公司 一种冰箱、定位方法及计算机可读存储介质

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WO2006129704A1 (ja) * 2005-06-03 2006-12-07 Murata Manufacturing Co., Ltd. フェライトシート及びその製造方法
JP2008296431A (ja) * 2007-05-30 2008-12-11 Kitagawa Ind Co Ltd セラミックシート
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JP2020030935A (ja) * 2018-08-22 2020-02-27 株式会社日本触媒 燃料電池部材用セラミックス基板を製造する方法
JP7125304B2 (ja) 2018-08-22 2022-08-24 株式会社日本触媒 燃料電池部材用セラミックス基板を製造する方法
CN112071202A (zh) * 2020-09-10 2020-12-11 深圳市卓耀科技有限公司 一种柔性显示面板加压脱泡设备
CN114909863A (zh) * 2021-02-08 2022-08-16 海信集团控股股份有限公司 一种冰箱、定位方法及计算机可读存储介质

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