WO2011000287A1 - Touche et son procédé de fabrication - Google Patents

Touche et son procédé de fabrication Download PDF

Info

Publication number
WO2011000287A1
WO2011000287A1 PCT/CN2010/074531 CN2010074531W WO2011000287A1 WO 2011000287 A1 WO2011000287 A1 WO 2011000287A1 CN 2010074531 W CN2010074531 W CN 2010074531W WO 2011000287 A1 WO2011000287 A1 WO 2011000287A1
Authority
WO
WIPO (PCT)
Prior art keywords
press key
layer
hot stamping
aluminum layer
key body
Prior art date
Application number
PCT/CN2010/074531
Other languages
English (en)
Inventor
Xiaojun Wang
Yubing Li
Jian Ma
Xingji Song
Original Assignee
Byd Company Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Byd Company Limited filed Critical Byd Company Limited
Publication of WO2011000287A1 publication Critical patent/WO2011000287A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/002—Materials
    • H01H2209/0021—Materials with metallic appearance, e.g. polymers with dispersed particles to produce a metallic appearance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/002—Screen printing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/012—Vacuum deposition

Definitions

  • the present invention generally relates to an electronic device, more particularly to a press key with characters for the electronic device and a method of forming the same.
  • a method of forming a plastic press key for an electronic device such as a mobile pone or PDA etc. generally may comprise the following steps: printing or spraying ink onto a surface of the plastic press key, then removing a portion of ink to form a desired pattern or character via laser radium carving to obtain the desired press key.
  • the aesthetic appearance thereof is dull with less attraction.
  • PVD physical vapor deposition
  • ink with special mirror surface effect may normally practiced in the art.
  • the obtained product may have impurities.
  • the ink having the mirror surface effect is relatively thin, the operation may be difficult and the ink may block the screen during screen printing.
  • the two methods as mentioned above may be performed with a high demand on environment. Thus, it is difficult to perform the processes thereof with lower yield rate and higher cost, which may not satisfy industrial requirements.
  • the present invention is directed to solve at least one problem existing in the prior art. Accordingly, a press key for an electronic device may need to be provided, which has high metal quality, high gloss with lower cost. Further, a method of forming the same may also need to be provided.
  • a press key for an electronic device comprising a press key body; an ink layer formed at an inner surface of the press key body having a hollowed-out portion forming a desired pattern; an aluminum layer configured to cover at least the hollowed-out portion; and a varnish layer configured to cover the aluminum layer to protect the aluminum layer.
  • the press key may comprise an ultraviolet-curing ink layer formed at an external surface of the press key body.
  • the ink layer may have a thickness of about 16 um to about 20 um
  • the aluminum layer may have a thickness of about 6 um to about 12 um.
  • a method of forming a press key for an electronic device comprising steps of: a) providing a press key body; b) forming an ink layer at a inner surface of the press key body, in which the ink layer has a hollowed-out portion forming a desired pattern; c) providing a hot stamping paper comprising a base film, a silicone resin layer, an aluminum layer and an adhesive layer, in which the silicone resin layer, the aluminum layer and the adhesive layer are in turn disposed on the base film; d) performing a hot stamping with respect to the press key body using the hot stamping paper, in which the aluminum layer of the hot stamping paper is hot-stamped onto the inner surface of the press key body to cover at least the hollowed-out portion of the ink layer; and e) forming a varnish layer on the aluminum layer.
  • the ink layer having the hollowed-out portion may be formed by screen-printing.
  • the hot stamping paper may further comprise a pigment layer between the silicone resin layer and the aluminum layer having a color selected from a group consisting of silver, gold, red, yellow, blue and green.
  • the hot stamping paper may have a light transmittance of about 20%-40%.
  • the hot stamping may be performed at a temperature of about 180-240 ° C for about 2-6 seconds.
  • the ink layer may be resistant to a temperature which is no less than 180 ° C .
  • the method may further comprise a step of disposing an ultraviolet-curing ink layer at an external surface of the press key body.
  • the hot stamping process is used, so that the plastic press key may achieve an appearance effect with high metal quality and high gloss, the press key manufactured by the hot stamping process may have a higher economic value comparing with the PVD or the mirror ink process, the cost may be greatly reduced and the productive efficiency may be improved accordingly.
  • Fig. 1 is a perspective view of a press key according to an embodiment of the invention
  • Fig. 2 is a schematic sectional view of a hot stamping paper according to an embodiment of the invention.
  • Fig. 3 is a cross section view of a press key according to an embodiment of the invention. DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION
  • relative terms such as “longitudinal”, “lateral”, “front”, “rear”, “right”, “left”, “lower”, “upper”, “horizontal”, “vertical”, “above”, “below”, “up”, “top”, “bottom” as well as derivative thereof (e.g., “horizontally”, “downwardly”, “upwardly”, etc.) should be construed to refer to the orientation as then described or as shown in the drawings under discussion. These relative terms are for convenience of description and do not require that the present invention be constructed or operated in a particular orientation.
  • An embodiment of the present invention provides a press key 100 for an electronic device such as a mobile phone, a PDA etc.
  • an electronic device such as a mobile phone, a PDA etc.
  • other electronic device may also adopt the press key as disclosed in the present invention.
  • the description followed and the figures as hereinafter disclosed are described for illustration purpose rather than limitation.
  • the press key 100 may comprise a press key body 101 and an ink layer 102 disposed at an inner surface 1011 of the press key body 101.
  • the ink layer 102 may comprise a hollowed-out portion 1021 which may form a desired pattern, such as a character pattern or a figure pattern.
  • the press key 100 according to the embodiment of the present invention may further comprise an aluminum layer 103 which may at least cover the hollowed-out portion 1021 of the ink layer 102, and a varnish layer 104 covering the aluminum layer 103 so as to protect the aluminum layer 103.
  • the press key may comprise an ultraviolet-curing ink layer 105 disposed at an external surface 1012 of the press key body 101.
  • a thickness of the ink layer 102 may be about 16 um - about 20 um and a thickness of the aluminum layer 103 may be about 6 um - about 12 um.
  • Another embodiment of the present invention provides a method of forming a press key 100 for an electronic device, comprising steps of: a) providing a press key body 101 ;b) forming an ink layer 102 at an inner surface 1011 of the press key body 101, in which the ink layer 102 may have a hollowed-out portion 1021 forming a desired pattern such as a character pattern or a figure pattern; c) providing a hot stamping paper 200, also called an electrolytic aluminum foil, comprising a base film 201, a silicone resin layer 202, an aluminum layer 203 and an adhesive layer 205, in which the silicone resin layer 202, the aluminum layer 203 and the adhesive layer 205 are in turn disposed on the base film 201, as shown in Fig.
  • the press key body 101 there is no special limit to the material of the press key body 101, and any suitable material in the art may be used.
  • the press key body 101 may be made of one or more selected from a group comprising polycarbonate (PC), acrylonitrile- butadiene- styrene copolymer (ABS), polymethyl methacrylate (PMMA), and polyethylene terephthalate (PET) by injection molding.
  • PC polycarbonate
  • ABS acrylonitrile- butadiene- styrene copolymer
  • PMMA polymethyl methacrylate
  • PET polyethylene terephthalate
  • the ink layer 102 having the hollowed-out portion 1021 may be formed by screen-printing or a process comprising steps of spraying ink and then removing a portion of ink so as to form the desired pattern via laser radium carving.
  • the screen printing process is preferable.
  • the screen printing process may be performed as follows: the ink may penetrate through meshes in the pictographic area of the screen printing plate and may not penetrate through meshes in the non-pictographic area of the screen printing plate.
  • the screen printing process is well known in the art and thereby detailed description thereof is omitted hereby for clarity purpose.
  • the screen printing process may be performed twice with black ink.
  • the ink used in the screen printing process should have a good binding force with the aluminum layer 103 and a high temperature resistance.
  • the ink is resistant to a temperature which is no less than 180 ° C so as to prevent the ink layer 102 from deformation in the following hot stamping process.
  • the ink may be any suitable one such as ink products of HAC series, SG740 series, and CAV series.
  • the hot stamping paper 200 may further comprise a pigment layer between the silicone resin layer 202 and the aluminum layer 203.
  • the color of the pigment layer 204 may be any one of silver, gold, red, yellow, blue and green.
  • the base film 201 of the hot stamping paper 200 may be a biaxial stretching film and may be prepared by PET, which has a good tensile property and may not easily deform under high temperature and high pressure.
  • the silicone resin layer 202 may be liquefied quickly to cause the aluminum layer 203 or the pigment layer 204 to peel off the base film 201.
  • the pigment layer 204 comprises synthetic resins and dyes, which is used to provide color and protect the aluminum layer 103 from oxidation.
  • the aluminum layer 203 is formed by vacuum plating aluminum on the base film 201, which may reflect lights to change the color of the pigment layer 204 so as to exhibit metallic luster.
  • the adhesive layer 205 is consisted of methacrylates or shellacs and may belong to a resin adhesive so as to be bound with the hot stamping material, and transfer the pigment layer 204 and the aluminum layer 203 onto the inner surface 1011 of the press key body 101.
  • the hot stamping paper 200 may be commercially available, for example, the hot stamping paper 200 of KPL-08300, KPL-61S, KPL-150, etc. available from Shang Yuan Chao Company LID, Shenzhen, China. In order to obtain the press key having a good transmittance, the light transmittance of the hot stamping paper 200 may be about 20%-40%.
  • the hot stamping used in some embodiments of the present invention is a process of stamping the hot stamping paper 200 onto the surface of an object, such as the press key 100.
  • the main hot stamping material is electrolytic aluminum, so that the hot stamping process is also referred to as an electrolytic aluminum hot stamping process.
  • the hot stamping process is performed in the hot stamping machine.
  • the molding part of the hot stamping machine is referred to as the hot stamping plate comprising an upper mold and a lower mold.
  • the upper mold is preferably the silicone rubber mold made of the silicone resin with a high temperature resistance and a hardness of 60 -90 degree.
  • the lower mold is the aluminum mold designed with discharging holes to avoid bubbles during hot stamping so as to improve the product yield rate.
  • the hot stamping machine may be commercially available, for example, the hot stamping machine of WHT-2015A3/XT-S available from Ronglong precision machine corporation limited, Dongguan, Guangdong province, China.
  • the basic procedure of hot stamping according to some embodiments of the present invention is as follows: when the hot stamping paper 200 is pressed by the hot stamping plate and the object such as the press key, the silicone resin layer 202 and the adhesive layer 205 on the electrolytic aluminum may be melted by heating, because the viscosity of the melted silicone resin layer 202 may become low whereas the viscosity of the special hot-melt adhesive may become high, the aluminum layer 103 may be peeled off the base film 201 and stamped onto the surface of the object such as the press key. With the releasing of the pressure, the adhesive may be cooled and solidified quickly, so as to adhere the aluminum layer 103 onto the surface of the object (the press key), thus finishing the hot stamping process.
  • the portion of the upper silicone rubber mold, on which the hot stamping is needed to perform is convex and the aluminum layer 103 of the hot stamping paper 200 which is stamped by the convex portion may be left on the press key.
  • the hot stamping position may be controlled by designing the concave and convex portions on the upper mold.
  • the hot stamping process is well known in the art, the description of which is omitted hereby for clarity purpose.
  • the temperature at which the hot stamping process is performed may be about 180-240 ° C, and the pressure under which the hot stamping process is performed may be adjusted to achieve an excellent hot stamping effect, no indentation on the press key and good adhesive force of the aluminum layer 103.
  • the hot stamping process may be performed for about 2-6 seconds. If the temperature is too high, the melting is excessive, which may paste the screen, and the over high temperature will cause the product to reduce the luminance and lose the metallic luster, even cause fog porphyritic structure or blistering in the imprint. If the temperature is too low, the melting is not sufficient, which may cause the hot stamping failed or infirm, and the imprint is infirm and easy to drop off, or character patterns may not be integrated and the imprint may not be clear. If the pressure is too high, the product deforms excessively, which may cause wide and even adhesive imprint, and may cause the imprint to paste the screen.
  • the electrolytic aluminum may not be transferred onto the surface of the press key well, which may cause the imprint to breeze and carve the screen. If the time is too long, the hot stamping may be failed or the imprint is not clear. If the time is too short, the hot stamping quality and the production efficiency may be influenced disadvantageously.
  • the varnish layer 104 may be formed on the aluminum layer 103 to protect the aluminum layer 103.
  • the varnish may be INQ-000, or MIB-001 available from SEIKO, Japan.
  • the method may further comprise a step of disposing an ultraviolet-curing ink layer 102 at the external surface 1012 of the press key 100, which may improve the surface property of the press key 100.
  • Embodiment 1 The present invention will be explained in more details with reference to the following embodiments. Embodiment 1
  • Embodiment 1 is used to explain the method of the present invention.
  • the black CAV ink was hollow-out stamped twice on the inner surface 1011 of the molding plastic member, then the hot stamping paper 200 of KPL-150 was selected, the temperature was set to 210 ⁇ 10 ° C, and the time was set to 2 ⁇ 1S in the hot stamping machine, so that the plastic member covered by the aluminum layer 103 was prepared.
  • the press key was formed by printing the INQ-000, MIB-001 varnish of SEIKO, Japan on the inner surface 1011 of the aluminum layer 103, then spraying the colorless and transparent UV paint onto the external surface 1012 of the plastic member, and finally shape-punching to obtain the press key 100.
  • the press key was form by, firstly, injection molding the PC plastic into a molded plastic member, hollow-out stamping the black CAV ink twice on the inner surface 1011 of the molding plastic member, then performing PVC vacuum coating on the inner surface 1011 of the plastic member to obtain the plastic member covered by the metallic layer, and then printing the MIB-001 varnish of SEIKO, Japan on the inner surface 1011 of the plastic member, spraying the colorless and transparent UV paint onto the external surface 1012 of the plastic member, and finally shape-punching to obtain the press key.
  • the press key was form by, firstly, injection molding the PC plastic into a molded plastic member, hollow-out stamping the black CAV ink twice on the inner surface of the molding plastic member, then printing the mirror ink onto the inner surface of the molded plastic member, and printing the MIB-001 varnish of SEKIO, Japan on the inner surface of the plastic member, spraying the colorless and transparent UV paint onto the external surface of the plastic, and finally shape-punching to obtain the press key.
  • Embodiment 4 100 press keys prepared from Embodiment 1, Comparative Embodiment 1 and comparative Embodiment 2 respectively were subject to appearance inspection and performance inspection respectively, so as to determine the product yield rate and compare the cost accordingly which may be referred to as Embodiment 4, comparative Embodiment 5 and Comparative
  • Embodiment 6 The results thereof were shown in Table 1.
  • the calculation of the product yield rate may be determined by the follows:
  • the product yield rate (%) qualified product number/total product number
  • the qualified products were those acceptable after the QUV test, the moisture temperature circuit test, the neutral salt fog test, the vibration wear resistance test and the appearance inspection.
  • Moisture temperature circuit test the temperature was maintained at 25 ° C, the humidity was at 95%, the temperature was risen to 55 ° C and humidity was risen to 93-96% within 3 hours; then the sample was maintained at 55 ° C for 9 hours, the temperature was lowered to 25 ° C and the humidity was lowered to 95-100% within 3 hours; and finally the sample at 25 ° C was maintained for 9 hours to complete a circle.
  • a circle was 24 hours and 5 circles were repeatedly performed, so as to test the appearance and the function of the samples and confirm that the basic electromechanical properties were not abnormal.
  • Neutral salt fog test in the test chamber in which the temperature was 35 ° C, the solution of 5 % NaCl with a PH value of 6.5-7.2 was sprayed for 2 hours, then the samples were stored at a temperature of 40 " C and a humidity which is larger than 93% for 168 hours, so as to test the appearance and the function of the samples and confirm that the basic electromechanical properties were not abnormal.
  • Vibration wear resistance test the samples were worn on the vibration wear machine, that is to say, the vibration wear with special wear debris imitated the wearing in normal use of the press key. If there were no evident wearing at the corners of samples after 1 hour and there were no evident wearing at the planes of samples after 3 hours, the samples are acceptable.
  • Appearance inspection the surface of the samples were observed to find if there are chromatic errors, badly printing phenomena, exposure phenomena of the base materials, deformation phenomena of the characters, excessive printing inks, inadequate printing inks, impurities, color mixing phenomena, scuffing phenomena, line cramping phenomena, black spots, dusts, crooked phenomena, burrs, etc. If there were no above phenomena, the samples thereof are acceptable.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Manufacture Of Switches (AREA)

Abstract

La présente invention porte sur une touche (100) pour un dispositif électronique. La touche peut comporter un corps de touche (101) ; une couche d'encre (102) disposée sur une surface intérieure (1011) du corps de touche (100) dont une partie creuse (1021) forme un motif voulu ; une couche d'aluminium (103) configurée de façon à recouvrir au moins la partie creuse (1021), et une couche de vernis (104) configurée de façon à recouvrir la couche d'aluminium (103) afin de protéger celle-ci (103). De plus, la présente invention porte également sur un procédé de fabrication de celle-ci. Selon la présente invention, la touche (100) peut posséder un métal de grande qualité, un brillant élevé et un coût inférieur.
PCT/CN2010/074531 2009-06-30 2010-06-25 Touche et son procédé de fabrication WO2011000287A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910108462.4 2009-06-30
CN2009101084624A CN101937787A (zh) 2009-06-30 2009-06-30 一种电子产品按键及其制作工艺

Publications (1)

Publication Number Publication Date
WO2011000287A1 true WO2011000287A1 (fr) 2011-01-06

Family

ID=43391051

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/074531 WO2011000287A1 (fr) 2009-06-30 2010-06-25 Touche et son procédé de fabrication

Country Status (2)

Country Link
CN (1) CN101937787A (fr)
WO (1) WO2011000287A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415910A (zh) * 2015-12-30 2016-03-23 广东印彩科技有限公司 烫金纸
CN109467975A (zh) * 2018-10-12 2019-03-15 安徽徽合台智能科技有限公司 一种耐高温印刷油墨及其制备方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103182871A (zh) * 2011-12-31 2013-07-03 苏州欣博朗精密塑胶制品有限公司 一种用电化铝烫金的方式在计算机键盘塑胶键帽表面处理的工艺
CN102594952B (zh) * 2012-02-14 2015-09-09 广东步步高电子工业有限公司 一种手机按键上字符的制作方法
CN104774558A (zh) * 2014-01-10 2015-07-15 晋江德耳涂料有限公司 一种替代化学电镀的多弧离子物理镀涂料
CN106453703B (zh) * 2016-09-29 2019-10-08 浙江星星科技股份有限公司 一种透明显示面板盲孔表面的装饰方法
CN108947270B (zh) * 2017-05-19 2020-11-06 比亚迪股份有限公司 3d装饰玻璃及其制备方法
CN108515775B (zh) * 2018-04-11 2020-03-24 陆良福牌彩印有限公司 一种增加凹版印刷底油改善烫金效果的工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004243565A (ja) * 2003-02-12 2004-09-02 Mitsubishi Plastics Ind Ltd 成形用シートと、そのシートを用いて形成されたフィルムキー
CN1889218A (zh) * 2005-06-29 2007-01-03 绿点高新科技股份有限公司 具金属光泽的按键
CN101026044A (zh) * 2006-02-23 2007-08-29 鸿富锦精密工业（深圳）有限公司 一种镜面透光按键及其制作方法
CN201136348Y (zh) * 2007-12-21 2008-10-22 郑汉平 一种烫金纸结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004243565A (ja) * 2003-02-12 2004-09-02 Mitsubishi Plastics Ind Ltd 成形用シートと、そのシートを用いて形成されたフィルムキー
CN1889218A (zh) * 2005-06-29 2007-01-03 绿点高新科技股份有限公司 具金属光泽的按键
CN101026044A (zh) * 2006-02-23 2007-08-29 鸿富锦精密工业（深圳）有限公司 一种镜面透光按键及其制作方法
CN201136348Y (zh) * 2007-12-21 2008-10-22 郑汉平 一种烫金纸结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415910A (zh) * 2015-12-30 2016-03-23 广东印彩科技有限公司 烫金纸
CN109467975A (zh) * 2018-10-12 2019-03-15 安徽徽合台智能科技有限公司 一种耐高温印刷油墨及其制备方法

Also Published As

Publication number Publication date
CN101937787A (zh) 2011-01-05

Similar Documents

Publication Publication Date Title
WO2011000287A1 (fr) Touche et son procédé de fabrication
US10875222B2 (en) Plastic moulded part and method for the production thereof
CN108274866B (zh) 一种薄壁3d曲面复合壳体及其制备方法
CN101530015B (zh) 电子设备用机壳及其制造方法
US20070170621A1 (en) Cover and method for manufacturing the same
US20070172664A1 (en) Cover and method for manufacturing the same
KR101423799B1 (ko) 엠보싱 장식 사출 성형품 및 그의 제조 방법
CN1684843A (zh) 部分结构化的可模内装饰的多层薄膜
US11628605B2 (en) Method for producing a shaped plastic part having a decorated surface
CN109411646B (zh) 电子设备电池盖板及其制备方法和电子设备
CN101959378A (zh) 壳体的制作方法及由该方法制得的壳体
CN112873938A (zh) 一种内置具有纹理效果的膜片的外壳的制作工艺
CN101879837B (zh) 模内装饰射出的薄膜结构及其制造方法
CN215897772U (zh) 一种带纹理的透明玻纤3d手机壳
CN1822941B (zh) 成形同时装饰成形品和成形同时装饰成形品的制造方法
CN101951739A (zh) 壳体的制作方法及由该方法所制得的壳体
CN101104301A (zh) 模内装饰品的制备工艺
US20090324908A1 (en) Plastic article having decorative pattern and method for making the plastic article
CN108099096A (zh) 用于移动终端的壳体及其制备方法、移动终端
KR101332533B1 (ko) 인몰드 장식 필름을 이용한 인서트 사출방법
CN208827266U (zh) 一种闪光内饰膜
CN101930862A (zh) 按键面板的制作方法及由该方法制得的按键面板
KR20190134304A (ko) 고주파 융착을 이용한 입체형 엠블렘 조립체 사출성형물의 제조방법
JP2003203537A (ja) キーシート部材とその製造方法
JP4542667B2 (ja) 光輝性加飾シートと光輝性加飾成形品の製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10793582

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10793582

Country of ref document: EP

Kind code of ref document: A1