CN1130565A - Sheet-bonding method - Google Patents
Sheet-bonding method Download PDFInfo
- Publication number
- CN1130565A CN1130565A CN95116166.0A CN95116166A CN1130565A CN 1130565 A CN1130565 A CN 1130565A CN 95116166 A CN95116166 A CN 95116166A CN 1130565 A CN1130565 A CN 1130565A
- Authority
- CN
- China
- Prior art keywords
- space
- film
- workpiece
- adhesion
- type surface
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Laminated Bodies (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The method involves mounting a workpiece and a film to be attached to a main surface of the workpiece. A first vol. is formed which is essentially sealed and which contains the vol. between the film and the workpiece. A second vol. is formed opposite the first vol. and the film is placed between the two vol. Atmospheric pressure is set up in the first vol. and is lower than the pressure in the second vol. The film is attached to the main surface of the workpiece by form the film against the main surface using the difference between the pressures in the two vol.
Description
The present invention is about a kind of method for adhesion of film, particularly a kind of cut film stick in order to constitute piezoelectric element such as on the friable materials such as pottery and don't produce the method for attaching of bubble betwixt.
Shown in Fig. 5 as an example of the existing method for adhesion of film of the technology of the present invention background.Workpiece 1 is the thin plate of being made by pottery etc.Workpiece 1 is being cut in the preceding working procedure of set shape, the section 2 of being made by plastic sheeting etc. is being sticked on the first type surface of workpiece 1, dispersing to prevent that cutting edge injures platen or the institute's cut spare 1 of settling workpiece 1 with cutter cuts workpiece 1 time.Before section 2 sticks on the workpiece 1, earlier pressure-sensitive adhesive is coated on the adhesive surface of section 2.
When pasting section 2 on the workpiece 1, produce bubble if sandwich air betwixt section 2 and workpiece 1 are peeled off, perhaps with cutter cuts workpiece 1 time, workpiece 1 splits or is broken.Film applying method shown in Figure 5 is to solve this problem with the section 2 on the pressure roller 3 roll extrusion workpiece 1, promptly prevents from workpiece 1 and cut into slices to produce bubble between 2.
Fig. 6 shows another example of existing method for adhesion of film technology.In this film applying method, workpiece 1 is clamped on manometric head 4 lower surfaces.Manometric head 4 is pressed on 2 the first type surface of cutting into slices and both towards section 2 motions and workpiece 1 and sticks together.In film applying method shown in Figure 6, be with manometric head 4 workpiece 1 to be pressed in the section 2 to prevent to produce betwixt bubble.
Yet various method for adhesion of film all have problems, if promptly workpiece 1 is the thin part that pottery is made, 4 pairs of workpiece 1 of pressure roller 3 or manometric head apply bigger pressure and will cause workpiece 1 to split or fragmentation.
Therefore, main purpose of the present invention just provides and a kind ofly can farthest prevent to produce bubble and prevent that workpiece from splitting or broken method for adhesion of film.
Method for adhesion of film of the present invention comprises the steps: to clamp workpiece; Clamp the film on the first type surface that will stick on workpiece; Form basic leak free first space, it comprise above-mentioned film and the workpiece that wherein held between the space; Form clamping this film therebetween, second space relative with first space; Set the air pressure in first space, make it to be lower than the air pressure in second space; By means of the draught head between first space and second space film is pressed on the first type surface of workpiece and film applying on the workpiece first type surface.
Draught head between first space and second space can produce with the air pressure that increases by second space, finishes the step of film applying on the workpiece first type surface by means of the draught head in first space and second space is pressed in film on the workpiece first type surface.
Draught head between first space and second space also can produce with the air pressure that reduces by first space, finishes the step of film applying on the workpiece first type surface by means of the draught head in first space and second space is pressed in film on the workpiece first type surface.In this case, also can when reducing by the first space air pressure, increase the air pressure in second space.
Carried out film applying before the step on the workpiece first type surface utilizing draught head between first space and second space to come film is pressed on the workpiece first type surface, can carry out the depressurization steps in first space and second space.
In second space, porous air pervious material can be set, to prevent that film is to second curvature of space.
Tear from workpiece under the tension force effect in order to prevent film, can be in that after being pressed in film and being pasted on the workpiece first type surface, the step of taking to make workpiece shift to film be eliminated the tension force that acts on the film by means of the draught head in first space and second space.
In the present invention, first space and second space are provided with relative to one another, and film is clipped in therebetween.Piece-holder is among first space.The first space air pressure is being provided with lower and make film to first curvature of space than the second space air pressure.Under first space and the second space draught head effect, crooked film contacts with the centre of workpiece first type surface earlier, expands to its periphery then gradually, is pressed on the workpiece and bonding with the workpiece first type surface.
In method for adhesion of film of the present invention, crooked film is to contact and be pasted together with the workpiece first type surface from expanding to its periphery near the nadir of its sweep gradually.Like this, this method for adhesion of film just can prevent to produce bubble between film and workpiece.And film is to utilize the draught head in first space and second space and be pressed on the workpiece, so the whole adhesive surface of film just can be pressed on the workpiece equably, and can not cause excessive stress to workpiece.Thereby, workpiece break or broken possibility minimum.
Before film applying is to the workpiece, just can prevent the generation of bubble dramatically by the air pressure that reduces by first and second spaces.
The porous breathable material is set in second space, and it just can prevent that film is to second curvature of space thin film adsorbs thereon.
Finish the draught head that utilizes first space and second space and after film being pressed in and being pasted on step on the workpiece first type surface, workpiece is being shifted to film act on tension force in the film, just can prevent that film from tearing from workpiece with elimination.
By the detailed description that the reference accompanying drawing is done, can understand more fully the present invention above-mentioned with other purpose, feature and various aspects and advantage.
Fig. 1 represents the technological process schematic diagram of one embodiment of the invention,
The block diagram of the film holder of embodiment in Fig. 2 presentation graphs 1,
Fig. 3 is the cutaway view of the apparatus for film adhesion of another embodiment of the present invention,
Fig. 4 is the cutaway view of the apparatus for film adhesion of further embodiment of this invention,
Fig. 5 is the technological process schematic diagram of one of existing method for adhesion of film as technical background of the present invention example,
Fig. 6 is the technological process schematic diagram as existing another example of method for adhesion of film of the technology of the present invention background.
Fig. 1 represents the technological process schematic diagram of one embodiment of the invention.At first, the used thin film adsorbs device of this film applying method is described as follows.Apparatus for film adhesion 10 in the present embodiment comprises that the cross section is roughly the base 12 of U-shaped.Roughly be positioned at the central authorities of base 12 base plates as the suction hole 14 of holding workpiece device.Suction hole 14 is used to hold and keeps workpiece 1, and links to each other with the aspirator system (not shown).The plate-shaped part of piezoelectric element made, is used to constitute by used workpiece 1 in the present embodiment by pottery etc.
The first air pressure adjustment hole 16 is positioned at a side of suction hole 14 on base 12 base plates.The first air pressure adjustment hole 16 links to each other with the barometric control unit (not shown), and this device is regulated its air pressure by means of or air feed air-breathing to first space 20.This barometric control unit will be narrated in the back.
Settle the film holding element 18 that its planar graph is a rectangle frame on the base 12.Film holding element 18 is used for section 2 subsides are maintained this section 2 thereon.To give between the cover 22 of description clamping in base 12 and back and this section holding element 18.Fig. 2 is the block diagram of section holding element 18 embodiment illustrated in fig. 1.The oad of section holding element 18 is consistent with base 12.On section holding element 18, form the oad rectangular opening bigger than workpiece 1.
As shown in Figure 1, the cover 22 that the cross section is roughly U-shaped is placed on the section holding element 18, makes cover 22 cover section 2, then just formed 2 that surrounded by cover 22 and section, be leak free second space 24 basically.At this moment, section 2 is clamped in middle with regard to quilt cover 22 and section holding element 18.
The second air pressure adjustment hole 26 roughly is positioned at the central authorities of cover 22 and is connected with the barometric control unit (not shown).This barometric control unit is regulated the air pressure in second space 24 and can be used compressor, vacuum pump etc. with sucking-off and air-supplied method.
The method for adhesion of film of present embodiment is described below with reference to Fig. 1.At first, shown in Fig. 1 (A), air-breathing and workpiece 1 is clamped on the base 12 by the suction hole that roughly is positioned at base 12 central authorities.Section 2 is attached on the section holding element 18, is placed on section holding element 18 on the base 12 and makes section 2 tack coat 2a face workpiece 1.Like this, just formed first space 20.Then, cover 22 is placed on the section holding element 18 to form second space 24.In the middle of section 2 and section holding element 18 quilt covers 22 and base 12 are clipped in.
Then, by the air that extract out in first space 20 in the first air pressure adjustment hole 16, making wherein, air pressure reduces.Meanwhile, the air by extract out in second space 24 in the second air pressure adjustment hole 26 reduces air pressure wherein.The air pressure that reduces simultaneously in first space 20 and second space 24 is in order to prevent that air from infiltrating between workpiece 1 and the section 2, promptly as much as possible prevents to produce bubble therebetween.
Then, keep stopping to be bled in second space 24 under the decompression state, make wherein pressure rises to second space, 24 air feed gradually again in first space 20.So the air pressure in second space 24 increases gradually, down to the air pressure that has surpassed in first space 20.As a result, will be shown in Fig. 1 (B), section 2 bend in first space 20 its cross section archwise.Because section 2 is had than big section holding element 18 clampings of area of section 2 workpiece that will paste 1, so section 2 degree of crook maximums on the position in the central roughly.Because the air pressure in second space 24 is higher than the air pressure in first space 20, so the central authorities of 2 the first type surface of cutting into slices, promptly the nadir of its first type surface bow-shaped cross-section touches the center of workpiece 1 first type surface at first and is pressed on the workpiece 1.
Shown in Fig. 1 (C), continue to increase the air pressure in second space 24, the result, section 2 just progressively is pressed on the workpiece 1 to the edge from the center of workpiece 1 first type surface, sticks on the entire main surface then.After section 2 sticks on the entire main surface of workpiece 1, stop first space 20 decompression, second space 24 supercharging and with the operation of suction hole 14 sticking workpiece 1.As a result, owing to making workpiece 1, section 2 pulling force rises, shown in Fig. 1 (D).Base 12 be perpendicular to one another with cover 22 separate after, sticked section 2 workpiece 1 and remained on the holding element 18 of cutting into slices and be sent to the next procedure position.
In the method for adhesion of film of present embodiment, crooked section 2 is from pasting to its edge gradually with the point of the first type surface of the nadir associated workpiece 1 of the sweep of section 2, like this, this section mounting method just can prevent that air from infiltrating between section 2 and the workpiece 1, so just can prevent to produce betwixt bubble.And this also have following advantage by means of the draught head between first space 20 and second space 24 to 2 methods of exerting pressure of cutting into slices: the first, can whole section 2 be pressed on workpiece 1 first type surface with uniform pressure; The second, just can easily regulate the pressure of the 2 pairs of workpiece 1 of cutting into slices by regulating air pressure in first space 20 and second space 24; The 3rd, can prevent that excessive stresses is added on the workpiece 1, it is minimum with broken possibility that this just makes that workpiece 1 splits.
Fig. 3 is the cutaway view of the apparatus for film adhesion of another embodiment of the present invention, and this apparatus for film adhesion 10 comprises a plate shaped porous air pervious material 28.Aerated materials 28 is arranged in second space 24.In order to prevent that section 2 bend in second space 24 when the decompression of second space 24, this aerated materials 28 will with section 2 towards another relative first type surface contact of the first type surface of workpiece 1.When 24 decompressions of second space, have the aerated materials 28 absorption sections 2 of permeability to air, this has just prevented to cut into slices 2 to the opposite of workpiece place side one lateral bending song, and has farthest prevented to produce when section 2 sticks on the workpiece 1 bubble.
Fig. 4 represents the cutaway view of the apparatus for film adhesion of yet another embodiment of the invention.But this apparatus for film adhesion 10 comprises a work holder 30 that is used for holding workpiece and perpendicular movement.Second suction hole 32 that is used to hold workpiece 1 vertically passes the center of work holder 30.Second suction hole 32 is by being communicated with suction hole 14 on the base 12 such as resilient connection pipe 34 such as India rubber tube.Hold workpiece 1 by means of the aspirator system (not shown) that is connected on the suction hole 14.As a result, workpiece 1 is attracted by second suction hole 32 and is clamped on the work holder 30.Aspirator system can be used the equipment of vacuum pump and so on.
Work holder 30 is held on the hydraulic actuating cylinder 36, but and vertical motion.When work holder 30 is descended, use with the said method similar methods and can stick on section 2 on the workpiece 1.By hydraulic actuating cylinder 36 work holder 30 is risen then, act on pulling force in the crooked section 2 with elimination.So just can prevent to cut into slices and 2 peel off from workpiece 1.
When open in the second air pressure adjustment hole 26 and reduce the air pressure in first space 20 gradually, can make section 2 crooked and stick on the workpiece 1.And then, also can open the first air pressure adjustment hole 16, increase the air pressure in second space 24 gradually, section 2 bendings also are attached on the workpiece 1.
For section 2 being remained on the section holding element 18, can be on a first type surface of section holding element 18 adhesive stripe-coating, maintain section 2 by adhesive agent.
Though explanation of the present invention and diagram have specificity, should be understood that these descriptions only are subjected to the qualification of being given an example for illustrative purposes and not.Spirit of the present invention and scope are only determined by the attached all claims in back.
Claims (12)
1. a method for adhesion of film is characterized in that it comprises the following steps:
Holding workpiece;
Maintain the film that will stick on the workpiece first type surface;
Form basic leak free, comprise film and wherein hold first space in the space between the workpiece;
Form relative with first space, film is held on second space in the middle of it;
Set the first space air pressure, make it to be lower than the air pressure in second space;
By the draught head between first space and second space film is pressed on the workpiece first type surface, and makes it to stick on the workpiece first type surface.
2. method for adhesion of film as claimed in claim 1 wherein, is utilizing before draught head between first space and second space comes to be pressed in film and to stick on the workpiece first type surface, must carry out the depressurization steps in first space and second space.
3. method for adhesion of film as claimed in claim 1 wherein, is provided with the aerated materials of permeability to air in second space, bend towards second space to prevent film.
4. method for adhesion of film as claimed in claim 1, wherein, also being included in the draught head that utilizes between first space and second space is pressed in film and stick on after step on the first type surface of workpiece finishes, must carry out that workpiece is shifted to film and eliminate the step that acts on the tension force on the film, tear from workpiece to prevent film.
5. a method for adhesion of film is characterized in that it comprises the steps:
Holding workpiece;
Maintain the film that will stick on one of workpiece first type surface;
Form basic leak free, comprise film and wherein hold first space in the space between the workpiece;
Form second space relative with first space, in the middle of film is clamped in;
Set the air pressure in first space, make it to be lower than the air pressure in second space;
By the air pressure that increases in second space film is pressed on the workpiece first type surface, and it is sticked on the workpiece first type surface.
6. method for adhesion of film as claimed in claim 5 also is included in the air pressure that increases by second space and comes to be pressed on the first type surface of workpiece to film and make it before step for adhering carries out, and must carry out the depressurization steps in first space and second space.
7. method for adhesion of film as claimed in claim 5 wherein, is provided with the permeability to air aerated materials in second space, to prevent that film is to second curvature of space.
8. method for adhesion of film as claimed in claim 5, wherein, also being included in the air pressure that increases by second space is pressed in film on the workpiece first type surface and carries out after the adhesion step, must carry out that workpiece is shifted to film and eliminate the step that acts on the tension force on the film, tear from workpiece to prevent film.
9. a method for adhesion of film is characterized in that it comprises the steps:
Holding workpiece;
Maintain the film that will stick on one of workpiece first type surface;
Form basic leak free, comprise film and wherein hold first space in the space between the workpiece;
Form relative with first space, film clamping second space therebetween;
Set the air pressure in first space, make it to be lower than the air pressure in second space;
By the air pressure in further reduction by first space film is pressed on the workpiece first type surface and with it and sticks on the workpiece first type surface.
10. method for adhesion of film as claimed in claim 9 also is included in further reduction by first space air pressure and is pressed in film on the workpiece first type surface and carries out must carrying out the depressurization step in first space and second space before the adhesion step.
11. method for adhesion of film as claimed in claim 9 wherein, is provided with the aerated materials of permeability to air in second space, in order to prevent that film is to second curvature of space.
12. method for adhesion of film as claimed in claim 9, be pressed in film on the workpiece first type surface and after carrying out adhesion step further reducing air pressure in first space, also comprise by workpiece being shifted to film and eliminate the step that acts on the tension force on the film, tear from workpiece to prevent film.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28291294 | 1994-10-20 | ||
| JP282912/94 | 1994-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1130565A true CN1130565A (en) | 1996-09-11 |
Family
ID=17658728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95116166.0A Pending CN1130565A (en) | 1994-10-20 | 1995-10-17 | Sheet-bonding method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1130565A (en) |
| DE (1) | DE19528442A1 (en) |
| SG (1) | SG45118A1 (en) |
| TW (1) | TW271503B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103180937A (en) * | 2010-10-19 | 2013-06-26 | 琳得科株式会社 | Sheet adhesion device and adhesion method |
| WO2016169018A1 (en) * | 2015-04-23 | 2016-10-27 | 华为技术有限公司 | Lamination device and method |
| CN113382838A (en) * | 2019-01-28 | 2021-09-10 | 本田技研工业株式会社 | Pasting device and pasting method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19801651A1 (en) * | 1998-01-15 | 1999-07-22 | Bayerische Motoren Werke Ag | Process for laminating a plastic film on the back of a decorative material to be back-foamed afterwards |
| DE19957850A1 (en) * | 1999-12-01 | 2001-06-07 | Draexlmaier Lisa Gmbh | Covering and method of application involves holder with trough, positioner, pressure bell, feeder, ventilation holes |
| DE102008030927A1 (en) * | 2008-07-02 | 2009-10-22 | Robert Bürkle GmbH | Method and device for laminating substantially plate-shaped workpieces under pressure and heat |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626446A1 (en) * | 1986-08-05 | 1988-02-18 | Man Technologie Gmbh | Process for producing bodies with high surface quality |
| DE3816835A1 (en) * | 1988-05-18 | 1989-11-30 | Bayerische Motoren Werke Ag | Profile strip for fastening to a motor vehicle |
| JPH06323311A (en) * | 1993-05-12 | 1994-11-25 | Toshiba Corp | Pressure device |
-
1995
- 1995-06-26 TW TW084106597A patent/TW271503B/en active
- 1995-08-02 DE DE19528442A patent/DE19528442A1/en not_active Withdrawn
- 1995-10-16 SG SG1995001568A patent/SG45118A1/en unknown
- 1995-10-17 CN CN95116166.0A patent/CN1130565A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103180937A (en) * | 2010-10-19 | 2013-06-26 | 琳得科株式会社 | Sheet adhesion device and adhesion method |
| CN103180937B (en) * | 2010-10-19 | 2016-05-25 | 琳得科株式会社 | Sheet-adhesion device and adhesion method |
| WO2016169018A1 (en) * | 2015-04-23 | 2016-10-27 | 华为技术有限公司 | Lamination device and method |
| CN113382838A (en) * | 2019-01-28 | 2021-09-10 | 本田技研工业株式会社 | Pasting device and pasting method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19528442A1 (en) | 1996-05-02 |
| SG45118A1 (en) | 1998-01-16 |
| TW271503B (en) | 1996-03-01 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |