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CN102007004B - Process for producing laser-etched article and laser-etched article - Google Patents

Process for producing laser-etched article and laser-etched article Download PDF

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Publication number
CN102007004B
CN102007004B CN2009801136491A CN200980113649A CN102007004B CN 102007004 B CN102007004 B CN 102007004B CN 2009801136491 A CN2009801136491 A CN 2009801136491A CN 200980113649 A CN200980113649 A CN 200980113649A CN 102007004 B CN102007004 B CN 102007004B
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China
Prior art keywords
laser
layer
resin
induced thermal
thermal etching
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Expired - Fee Related
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CN2009801136491A
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Chinese (zh)
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CN102007004A (en
Inventor
藤井宪太郎
安井俊之
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Nissha Printing Co Ltd
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Nissha Printing Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/228Removing surface-material, e.g. by engraving, by etching by laser radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/34Coated articles, e.g. plated or painted; Surface treated articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/30Organic material
    • B23K2103/42Plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/50Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267Marking of plastic artifacts, e.g. with laser

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laser Beam Processing (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The technique for forming a laser-etched article by coating a surface of a molded resin with a coating material differing in color from the resin of the resin composition to form a coating film and irradiating part of the coating film with laser light to remove the irradiated part of the coating film has a drawback that the resultant article has a recess at the boundary between the area where the coating film has been removed and the area where the coating film remains. As a result, fouling substances including dirt from fingers accumulate in the recess to impair the color of the molded resin as the base and make the displayed image illegible. There also has been a problem that the difference in level at this boundary triggers the peeling of the coating film around the recess. In order to eliminate these problems, a process is provided in which use is made of a decorative molded article which comprises: a molded resin having such a property that areas irradiated with laser light foam; and a decorative layer formed on the molded resin. Part of the decorative molded article is irradiated with laser light from the side having the decorative layer on the surface to thereby remove the decorative layer in the region irradiated with laser light. The irradiation with laser light is further continued to foam the molded-resin surface in the region and thereby form a foam layer.

Description

The preparation method of laser-induced thermal etching product and laser-induced thermal etching product
Technical field
The invention relates to the invention of paying the laser-induced thermal etching product preparation method of distinct literal, mark etc. on the formed products surfaces such as the display floater of the electrical article of being in, sound equipment apparatus, automobile indicator etc. and button by using laser thereon.
Background technology
Existing following technology: as shown in Figure 6, film after 102 in the coating formation that the coating of the surface of resin forming product 101 is different from the color of resin of resin combination, remove at this part of 102 irradiation laser of filming and to film 102 forming laser-induced thermal etching product 103, thereby from the visible primary colour decorative pattern literal of its irradiation area (having removed the part of filming) demonstration etc.Such as the sound equipment panel that can be used in vehicle mounted, button etc. of laser-induced thermal etching product 103.
The prior art document
Patent documentation
Patent documentation 1: Japanese patent laid-open 7-216116 communique
Summary of the invention
Yet, in above-mentioned construction method, produced the difference in height of the such degree of depth of 102 thickness of filming at the boundary of having removed the part of filming 102 part and not removing.That is to say, produced the recess of the such degree of depth of 102 thickness of filming of removing.Its result, if use for a long time formed button, the dirts such as the dirt of finger lodge in this recess, thus the color development of the resin forming product of bottom 101 will impairedly be difficult to see clearly demonstration.And, the problem of peeling off of filming around this recess that also can occur to rise because of this difference in height.
Solve the problems referred to above even the present invention tries hard to also not produce by carrying out Ear Mucosa Treated by He Ne Laser Irradiation the mode of described recess, its purpose is to provide that a kind of the part of filming still keeps distinct demonstration and the preparation method of the laser-induced thermal etching product do not peeled off having removed on every side.
The present invention has following characteristics for achieving the above object.
The preparation method of laser-induced thermal etching product of the present invention is characterised in that, pass through Ear Mucosa Treated by He Ne Laser Irradiation, for the stacked decorative product that bands layer on the resin bed of the zone crossed through Ear Mucosa Treated by He Ne Laser Irradiation foaming, by remove the layer that bands through zone that Ear Mucosa Treated by He Ne Laser Irradiation is crossed from the stacked from the teeth outwards part irradiation laser that bands a side direction decorative product of layer, make this regional resin layer surface foaming form foaming layer by continuing irradiation laser again.As resin bed, for example can enumerate resin forming product.
In addition, in foregoing invention, can form by the transfer printing of transfer film the layer that bands that is laminated on the resin bed.
In foregoing invention, also can make the surface of foaming layer and the surface of banding layer is the same face.But, when have apart from the surface of banding layer ± during difference in height about 0.3mm, still belong to the scope of the same face.
In foregoing invention, the surperficial height of foaming layer is swelled in the surface of banding layer.
Laser-induced thermal etching product of the present invention are characterised in that, are that the preparation method by the described laser-induced thermal etching product of above-mentioned any one forms.
According to the preparation method of laser-induced thermal etching product of the present invention, be irradiation laser remove band layer after or remove at irradiation laser and to band layer while, carry out the foaming of resin layer surface.Because resin bed expands by foaming, so the recess of can landfill removing the part of banding layer and producing.Because above-mentioned recess does not occur in the zone of shining laser, thus can not accumulate dirt in this zone, thus can keep distinct demonstration.And, the problem of peeling off of banding layer that rises because of the above-mentioned difference in height of having removed between the part of banding layer and the part of not the removing can not occur yet.
In addition, according to foregoing invention, also can form with the transfer printing layer of transfer film and band layer.Can form easily thus and band layer.
According to foregoing invention, also can make the surface of foaming layer and the surface of banding layer is the same face.Can obtain thus ganoid laser-induced thermal etching product.
According to foregoing invention, the surperficial height of foaming layer is swelled in the surface of banding layer.Foaming layer can be used as the braille of establishing for the blind person thus.
Description of drawings
Fig. 1 represents the preparation method's of laser-induced thermal etching product of the present invention sectional view.
Fig. 2 represents for the sectional view that the transfer film that bands layer is set on the resin forming product surface.
Fig. 3 represents to arrange on the resin forming product surface by transfer printing the sectional view of the method for banding layer.
Fig. 4 represents to arrange on the resin forming product surface by the method for carrying out simultaneously transfer printing in shaping the sectional view of the method for banding layer.
Fig. 5 represents the sectional view by an example of the laser-induced thermal etching product of preparation method's formation of laser-induced thermal etching product of the present invention.
Fig. 6 represents the sectional view by the laser-induced thermal etching product of preparation method's preparation of existing laser-induced thermal etching product.
The specific embodiment
With reference to the accompanying drawings embodiments of the present invention are elaborated.
Fig. 1 represents the preparation method's of laser-induced thermal etching product of the present invention sectional view.Fig. 2 represents for the sectional view that the transfer film that bands layer is set on the resin forming product surface.Fig. 3 represents to arrange on the resin forming product surface by transfer printing the sectional view of the method for banding layer.Fig. 4 represents to arrange on the resin forming product surface by the method for carrying out simultaneously transfer printing in shaping the sectional view of the method for banding layer.Fig. 5 represents the sectional view by an example of the laser-induced thermal etching product of preparation method's formation of laser-induced thermal etching product of the present invention.Fig. 6 represents the sectional view by the laser-induced thermal etching product of preparation method's preparation of existing laser-induced thermal etching product.
Resin forming product 1 as an example of resin bed is to draw vesicant resin combination by Ear Mucosa Treated by He Ne Laser Irradiation.As resin forming product 1, except resin combination, can also contain the additive that causes the additive of resin combination foaming and/or help to foam by laser.As resin combination, be the known thermoplastic resin such as mylar, polyamide, polycarbonate resin, polyphenylene sulfide, the polyimide resins such as resin, polystyrene resin, polyvinyl chloride resin, poly-(methyl) acrylic ester resin, acrylic resin, polyacetal resin, PETG, polybutylene terephthalate (PBT) and these resins are carried out resin after the sex change such as polyenes such as can using polyethylene, polypropylene.These resins can use separately, also can mix use more than 2 kinds.As the additive that in resin combination, adds, the additive B that can use (1) additive self to cause to change the additive A make the resin combination foaming and/or (2) additive that the resin combination melting heat is decomposed to cause foaming etc.ガ ラ ス バ Le one ソ), white sand deposit bead (Japanese original text: シ ラ ス バ Le one ソ), the transistion metal compound such as iron oxide, cobalt/cobalt oxide etc. as additive A, blowing agent, glass pellet (Japanese original text: is arranged.As additive B, carbon black, transistion metal compound etc. are arranged.Although the content of these additives A, additive B is not particularly limited, from the intensity aspect of resin forming product, with respect to 100 parts of resin combinations, preferably add 0.1~20 part, more preferably 0.5~10 part.In the present invention, particularly when cooperating the carbon black of 0.01~1.0 % by weight, low price but also can obtain outstanding foaming effect.When the use level of carbon black is less than 0.01 % by weight, can not foam fully, when surpassing 1.0 % by weight on the contrary, because by Ear Mucosa Treated by He Ne Laser Irradiation, do not foam to be cut on the contrary and produce hollow hole in the surface of resin forming product 1, so be difficult to form the good fluctuating of contrast.Preferred 0.05~0.5 % by weight.
In addition, in that the foaming effect that produces by Ear Mucosa Treated by He Ne Laser Irradiation is not produced in the scope of larger infringement, can add as required known additive etc.For example, can cooperate the colouring agents such as the stabilizing agents such as inorganic filler, antioxidant, heat-resisting stabilizing agent, ultra-violet absorber, light stabilizer, antistatic agent, fire retardant, flame retardant, dyestuff or pigment, lubricant, plasticizer, releasing agent, surfactant, crystallization promoter, nucleating agent etc.As described pigment, can enumerate inorganic series pigments, organic system pigment, metallic pigments, pearlescent pigment, fluorescent pigment etc.As organic system pigment, azo pigment, phthalein cyanogen series pigments, anthraquione pigmentss, purple cyclic ketones series pigments, quinacridone pigment etc. are arranged.
To the shape of above-mentioned inorganic filler without limits, can be fibrous, granular, any in tabular etc.Preferred granular and the tabular inorganic filler of using.Color preferred white system or the light color of inorganic filler are such as using talcum, calcium carbonate, titanium oxide etc.When further cooperating these inorganic fillers, preferred addition is 1~50 % by weight, more preferably 2~30 % by weight.
No matter fill which kind of additive, in order not see through laser energy it is absorbed, preferred resin forming product 1 is coloured resin forming product.
Band layer 2 by stacked formation on this resin forming product 1, just can form and band formed products 6.
Band layer 2 as what the surface at resin forming product 1 formed, coating directly can be formed at the surface of resin forming product 1.As coating, can use contain with polyethylene-based resin, polyamide-based resin, polyester based resin, acrylic resin, polyurethane series resin, polyvinyl acetal be resin, PAUR be resin, cellulose esters be the resins such as resin, alkyd resins as adhesive, the painted China ink take the pigment of appropriate color or dyestuff as colouring agent.Band layer 2 and can pass through the formation such as woodburytype, spraying process.Select adhesion with resin forming product 1 good band layer 2.When resin forming product 1 with band in layer 2 situation that is difficult to connect airtight, fixed bed (Japanese original text: ァ ソ カ one also can be set
Figure BPA00001242816400041
) (not shown) etc. help the adhesive linkage that is bonded with each other.At this moment, although be necessary to remove the fixed bed that the part of laser is stated in irradiation later, as long as just it easily can be removed by Ear Mucosa Treated by He Ne Laser Irradiation.
As shown in Figure 2, band layer 2 for formation, also can use transfer sheet 11.Transfer sheet 11 is described.Transfer sheet 11 is formed with the transfer printing layer 16 that possesses drawing layer 14 at least on substrate sheets 12.By transfer printing described later or in the method that is shaped and carries out simultaneously transfer printing, transfer film 11 is blended on the resin forming product 1, then peel off the substrate sheets 12 of transfer film 11, the transfer printing layer 16 of transfer film 11 as the surface of banding layer 2 and be needed on resin forming product 1, is banded formed products 6 thereby form.
As substrate sheets 12, can use the plastic sheet of polyester based resin, polypropylene-based resin, vinyl chloride resin, polyvinyl resin, pet resin, polycarbonate resin, nylon resin, vinylon resin, acetate resin, polyethylene-based resin, polyamide-based resin, polyacrylic resin, polyvinyl chloride resin etc.The thickness of substrate sheets 12 can be 10~100 μ m, more preferably 20~60 μ m.Can use the substrate sheets 12 that itself has fissility.In addition, in order more to stablize fissility, also can form release layer (not shown) on the surface of substrate sheets 12.Release layer is the layer of removing simultaneously with substrate sheets 12 behind transfer printing process.As the material of release layer, can use the curable resins such as silicone resin, melmac, alkyd resins, epoxy resin.Formation method as release layer has the print processes such as the rubbing methods such as roller rubbing method, spraying process, woodburytype, silk screen print method.
In addition, in order to guarantee peeling off between transfer printing layer 16 and substrate sheets 12 or the release layer, also can form as required peel ply 13.Peel ply 13 be after the transfer printing or be shaped peel off substrate sheets 12 after carrying out transfer printing simultaneously when, peel off and become outmost layer as the transfer printing layer 16 that is transferred thing from substrate sheets 12 or release layer.Material as peel ply 13, can use acrylic resin, polyester based resin, polyvinyl chloride resin, cellulose-based resin, rubber series resin, polyurethane series resin, polyvinyl acetate is resin etc., and in addition also can use vinyl chloride-vinyl acetate copolymer is that resin, ethylene-vinyl acetate copolymer are the copolymers such as resin.Need at peel ply 13 in the situation of certain degree of hardness, can select the uses such as light-cured resin, electron ray curing resin isoradial curable resin, heat-curing resin such as uv curing resin.コ ソ マ コ one ト method) as the method that forms peel ply 13, intaglio plate rubbing method, roller rubbing method, comma rubbing method (Japanese original text: the print processes such as rubbing method, woodburytype, silk screen print method such as is arranged.
Material as drawing layer 14, can use contain with polyethylene-based resin, polyamide-based resin, polyester based resin, acrylic resin, polyurethane series resin, polyvinyl acetal be resin, PAUR be resin, cellulose esters be the resins such as resin, alkyd resins as adhesive, the painted China ink take the pigment of appropriate color or dyestuff as colouring agent.As the method that forms drawing layer 14, can use the common print processes such as woodburytype, silk screen print method, hectographic printing method etc.The thickness of drawing layer 14 is preferably 1~30 μ m, more preferably 2~20 μ m.Drawing layer 14 is not limited to painted China ink, sometimes also can form metal steam coating etc. has metallic luster with performance appearance design.As the material of metal steam coating, use aluminium, chromium, copper, tin etc.The formation of metal steam coating can be used vacuum vapour deposition, sputtering method, ion plating method etc.
In addition, also can form as required adhesive linkage 15.Adhesive linkage 15 is for by transfer printing or the transfer printing material is adhered to the layer of resin forming product 1 in the method carry out simultaneously transfer printing of being shaped.When the material of resin forming product 1 is the polyacrylic resin, can use the polyacrylic resin as the material of adhesive linkage 15.When the material of resin forming product 1 is polyphenylene oxide polystyrene resin, polycarbonate-based resin, styrene copolymerized system resin, polystyrene hybrid resin, can use with these resins to have the polyacrylic resin, polystyrene resin, polyamide-based resin etc. of compatibility as the material of adhesive linkage 15.As the method that forms adhesive linkage 15, can use rubbing method, intaglio printing, the silk screen print methods etc. such as woodburytype, roller rubbing method, comma rubbing method.The dry film thickness of adhesive linkage 15 is generally 1~5 μ m.
Will be as described below from the transfer printing process that above-mentioned transfer sheet 11 is needed on the resin forming product 1 as the transfer printing layer 16 that bands layer 2 by transfer printing.At first, the surface of adhesive linkage 15 1 sides of transfer sheet 11 being close to resin forming product 1.Then, as shown in Figure 3, ァ Star プ ダ ゥ ソ Rotating Xie Machine) use has roller transfer machine, vertical type transfer interpreter (the Japanese original text: the transfer interpreter such as of the heat resistant rubber shape elastomers 21 such as silicon rubber, be set as about 80~260 ℃ of temperature by condition, heat resistant rubber shape elastomer 21 about pressure 500~2000Pa heats, pressurizes from substrate sheets 12 1 sides of transfer sheet 11.Thus, adhesive linkage 15 just is adhered to the surface of resin forming product 1.At last, peel off substrate sheets 12 after the cooling, transfer printing layer 16 just is needed on the surface of resin forming product 1 as banding layer 2, thereby finishes transfer printing process.
Will be as described below from the transfer printing process that above-mentioned transfer sheet 11 is needed on the resin forming product 1 as the transfer printing layer 16 that bands layer 2 by the method for carrying out simultaneously transfer printing in shaping.At first, shown in Fig. 4 (a) like that, transfer sheet 11 is sent in the molding die 31 that is comprised of But moving die and fixed die.At this moment, can send into single piece of transfer sheet 11 in 1 piece of 1 piece of ground, also can intermittently send into the necessary part of long size transfer sheet 11.When using long size transfer sheet 11, can use the conveyer with location structure, make transfer sheet 11 corresponding with the position of molding die 31.In addition, when intermittently sending into transfer sheet 11, also can detect the position of transfer sheet 11 by sensor after, transfer sheet 11 usefulness But moving dies and fixed die are fixed.After closing molding die 31, from entry portal 33 shaping resin 32 is injected and to be filled in the mould, thereby when forming resin forming product 1, transfer sheet 11 is adhered to the surface of resin forming product 1.After resin forming product 1 cooling, open molding die 31 and take out resin forming product 1.At last, peel off substrate sheets 12, will be shown in Fig. 4 (b) like that, formed transfer printing layer 16 and banded formed products 6 as what band that layer 2 is needed on resin forming product 1 surface, thereby finished transfer printing process.
Thereby shine the laser aid that laser 3 carries out laser-induced thermal etching as a surperficial stacked part of banding formed products 6 of banding layer 2 that is used at resin forming product 1, such as enumerating carbonic acid gas laser aid, ruby laser device, semicondcutor laser unit, ar laser arrangement, excimer laser apparatus, YA6 laser aid, VYO4 laser aid etc.Wherein, the general easy uses such as semiconductor laser such as AIGaAs laser of the Nd:YAG laser of wavelength 1064nm, 824nm.
Shown in Fig. 1 (a) like that, band formed products 6 for what band layer 2 resin forming product 1 surperficial stacked, shine laser 3 from the part that a stacked from the teeth outwards side direction of banding layer 2 is banded formed products 6.As by irradiation laser 3 to form the arbitrarily method of literal and figure, mobilely all around such as using fixed laser 3 band the method for formed products 6 and fixedly band formed products 6 and the method for mobile laser 3 etc. all around.Shown in Fig. 1 (b) like that, by irradiation laser 3, thereby shone the banding layer 2 and will be burnt because of the energy of laser 3 and be removed of zone of laser 3, remove band layer after at once or irradiation laser remove band layer in, softening dissolving occurs at the irradiated site of resin forming product 1.In this stage, produced the recess that bands the such degree of depth of layer 2 thickness at irradiation area.Continue again irradiation laser, although having been burnt the most surperficial of irradiated site of resin forming product 1, but the inside at the irradiated site of resin forming product 1, owing to the volatile ingredient Yin Gaowen such as the low-molecular-weight resin composition that contains in the resin, catabolite, additive be heated the gasification or foam, so the irradiated site of resin forming product 1 swells, become foaming layer 4.Shown in Fig. 1 (c) like that, the irradiation time by regulating laser 3, exposure intensity etc., just can make band layers 2 and the surface location of foaming layer 4 basic identical, thereby between the two, do not produce difference in height.Because can not accumulate dirt on the surface of this foaming layer 4, thus the color development of foaming layer 4 can not be damaged, thus keep distinct demonstration.And, owing to do not have difference in height banding between layer 2 and the foaming layer 4, so layers 2 the problem of peeling off of banding that rises because of the boundary section that exists between the two can not occur yet.If under this state, end irradiation laser 3, foaming layer 4 curings that will be cooled with the state that a plurality of bubbles are contained in inside, thereby formation laser-induced thermal etching product 5.The color of this foaming layer 4 sometimes color from original resin forming product 1 is different, seems to form milky because light is carried out the irregular reference majority.In addition, in fact, be within the very short time, to occur from irradiation laser 3 to the operation that forms foaming layer 4.
In addition, the irradiation time by regulating laser 3 and intensity etc. also can make the surperficial height of foaming layer 4 swell in the surface (with reference to figure 5) of banding layer 2.At this moment, foaming layer 4 can be used as the braille of establishing for the blind person.In order more easily to read braille by the sense of touch of finger, the bump height that distance is banded the foaming layer 4 on layer 2 surface is preferably (more preferably about about 0.5~0.6mm) about about 0.4~0.7mm.In addition, if excessively shine laser 3, foaming layer 4 will be burnt, thereby produces recess at laser-induced thermal etching product 5.
Embodiment 1
Take the PETG film of thick 38 μ m as substrate sheets 12, form successively peel ply 13, drawing layer 14, adhesive linkage 15 by woodburytype, obtained transfer sheet 11.Peel ply 13, drawing layer 14 are respectively by using the China ink that is formed by acrylic resin to form.Adhesive linkage 15 is to be that the China ink that resin forms forms by using vinyl chloride-vinyl acetate copolymer.
Next, transfer sheet 11 obtained above is disposed between the molding die 31, inject shaping resin 32 behind the mold closing and carry out integratedly, peel off the substrate sheets 12 of transfer sheet 11 after the die sinking, just obtained on resin forming product 1 as band layer 2 transfer printing transfer printing layer 16 band formed products 6.
Then, use the Nd:YAG laser aid of wavelength 1064nm, band part irradiation laser 3 of formed products 6 and remove and band layers 2 through zone that laser 3 shine at this, make the surface blister of the resin forming product 1 of irradiation area form foaming layer 4 by continuing irradiation laser 3 again, the surface that has just obtained thus foaming layer 4 is the laser-induced thermal etching product 5 of the same face substantially with the surface of banding layer 2.
The laser-induced thermal etching product 5 that obtain as mentioned above can not be that dirt is accumulated on the surface of foaming layer 4 in the zone of shining through laser 3, thereby can keep distinct demonstration.Nor layers 2 the problem of peeling off of banding because banding that layer 2 and the boundary section of foaming layer 4 rise can occur.
Symbol description
1. resin forming product
2. band layer
3. laser
4. foaming layer
5. laser-induced thermal etching product
6. band formed products
11. transfer sheet
12. substrate sheets
13. peel ply
14. drawing layer
15. adhesive linkage
16. transfer printing layer
21. heat resistant rubber shape elastomer
31. molding die
32. shaping resin
33. entry portal
101. resin forming product
102. film
103. laser-induced thermal etching product

Claims (5)

1. the preparation method of laser-induced thermal etching product, it is characterized in that, for the stacked decorative product that bands layer on the resin bed of the zone crossed through Ear Mucosa Treated by He Ne Laser Irradiation foaming, by remove the described layer that bands through the zone that Ear Mucosa Treated by He Ne Laser Irradiation is crossed from the stacked from the teeth outwards described part irradiation laser that bands the described decorative product of a side direction of layer, make again the described resin layer surface foaming in this zone by continuing irradiation laser, landfill is being removed the recess that produces of part that bands layer, and forms foaming layer.
2. the preparation method of laser-induced thermal etching product according to claim 1, wherein, the stacked described layer that bands is that transfer printing layer by the transfer printing transfer film forms on described resin bed.
3. the preparation method of laser-induced thermal etching product according to claim 1, wherein, making the surface of described foaming layer and described surface of banding layer is the same face.
4. the preparation method of laser-induced thermal etching product according to claim 1 wherein, makes the surperficial height of described foaming layer swell the surface of banding layer in described.
5. laser-induced thermal etching product is characterized in that, these laser-induced thermal etching product are that the preparation method by the described laser-induced thermal etching product of any one in the claim 1~4 forms.
CN2009801136491A 2008-06-30 2009-06-23 Process for producing laser-etched article and laser-etched article Expired - Fee Related CN102007004B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008169791A JP5294728B2 (en) 2008-06-30 2008-06-30 Laser etching product manufacturing method and laser etching product
JP2008-169791 2008-06-30
PCT/JP2009/061420 WO2010001767A1 (en) 2008-06-30 2009-06-23 Process for producing laser-etched article and laser-etched article

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CN102007004A CN102007004A (en) 2011-04-06
CN102007004B true CN102007004B (en) 2013-01-02

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CN (1) CN102007004B (en)
TW (1) TWI496646B (en)
WO (1) WO2010001767A1 (en)

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WO2010001767A1 (en) 2010-01-07

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