CN103358015A - Ultrasonic wave welding structure and ultrasonic wave welding method - Google Patents

Ultrasonic wave welding structure and ultrasonic wave welding method Download PDF

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Publication number
CN103358015A
CN103358015A CN2012100990093A CN201210099009A CN103358015A CN 103358015 A CN103358015 A CN 103358015A CN 2012100990093 A CN2012100990093 A CN 2012100990093A CN 201210099009 A CN201210099009 A CN 201210099009A CN 103358015 A CN103358015 A CN 103358015A
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CN
China
Prior art keywords
component
face
weld
flange
ultrasonic
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Pending
Application number
CN2012100990093A
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Chinese (zh)
Inventor
王柏盛
许竣翔
谢青峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Askey Technology Jiangsu Ltd
Askey Computer Corp
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Askey Technology Jiangsu Ltd
Askey Computer Corp
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Application filed by Askey Technology Jiangsu Ltd, Askey Computer Corp filed Critical Askey Technology Jiangsu Ltd
Priority to CN2012100990093A priority Critical patent/CN103358015A/en
Publication of CN103358015A publication Critical patent/CN103358015A/en
Pending legal-status Critical Current

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Abstract

The invention provides an ultrasonic wave welding structure. A welding face is formed on one of a first component and a second component, an energy conduction lug which corresponds to the welding face is formed on the other one of the first component and the second component, the welding face is an inclined plane relative to the press fit direction of an ultrasonic wave device, when the first component is pressed on the second component in the press fit direction, the energy conduction lug produces contact pressure corresponding to the welding face, and the first component and the second component are connected through ultrasonic wave welding. Therefore, the area and the number of alignment structures needed by existing ultrasonic welding can be reduced through the welding face and the energy conduction lug which corresponds to the welding face, the whole size of a mobile electronic product can be reduced, and the effects of being light and thin can be achieved.

Description

Ultrasonic welding structure and ultrasonic welding process
Technical field
The present invention is about a kind of welding structure and method, and it is applied to ultrasonic welding structure and the welding process thereof of ultrasonic energy.Background technology
The ultrasonic fusion techniques produces two members of wish welding by ultrasonic vibrations energy makes this member produce the material melting, and simultaneously with the relative pressing of these members, and the Material Flow that makes melting is filled in after between these members, carry out again cooling and shaping, and then these members are bonded together.
Please refer to Fig. 1, it is the schematic diagram of known ultrasonic welding structure, need the mutual corresponding welding structure of design on the first member 110 of wanting welding and the second component 120, be these members 110,120 need have respectively the face of weld 121 and the welding structure of leading energy line 111 of mutual correspondence, this leads the triangle point edge that energy line 111 cross sections have a tip, its be located at these the first member 110 edges to bottom that should face of weld 121 and with tip surface to this face of weld 121, ultrasonic energy is concentrated and produced high temperature in triangle point edge place, utilizing high temperature to make this first member 110 and this second component 120 produce the material melting at triangle point edge place, and so that this first member 110 be bonded together with the melting in the pressing process of this second component 120.
Simultaneously, pressing step in the ultrasonic fusion process imposes mean force by soldering tip to member and comes relative pressing, this first member 110 just can carry out pressing after the contraposition really with this second component 120, to guarantee the correctness of bonding station, therefore the aligning structure of member will affect the welding result; In addition, owing to the ultrasonic fusion techniques is to make the member vibrations form friction and generation high temperature by ultrasonic, and make the melting Material Flow fill in the position that engages in institute's wish between this first member 110 and this second component 120, fill in required space therefore must have a gap between this first member 110 and this second component 120 for vibrations and material.
Please refer to Fig. 2 A and Fig. 2 B, have on this first member 110 to should face of weld 121 lead fuse 111, this leads the triangle point edge that fuse 111 cross sections have a tip, it is located at these the first member 110 edges to bottom that should face of weld 121, and with tip surface to this face of weld 121, so that this first member 110 is led most advanced and sophisticated relatively these face of weld 121 contacts of fuse 111 and produced pressure in this in the pressing process; Simultaneously, owing to being concentrated on this tip of leading fuse 111, ultrasonic energy produces high temperature, and so that this first member 110 is bonded together the ultrasonic welding of then beginning to finish behind the cooling curing with the melting in the pressing process of this second component 120.
Fig. 2 A and Fig. 2 B are respectively the ultrasonic welding organigram of staged welding and plough groove type welding, the first member 110 is installed and is welded to second component 120, this second component 120 has the stepped construction shown in Fig. 2 A, the bottom surface of this stepped construction is as face of weld 121, the side of this stepped construction as this first member 110 to plane 122, so that this first member 110 in the pressing process along this to plane 122 downward pressings, simultaneously this first member 110 and this second component 120 to the essential gap that forms between the plane 122 for the required space of vibrations; Perhaps, this second component 120 has the plough groove type structure shown in Fig. 2 B, the bottom surface of this plough groove type structure is as face of weld 121, the two side faces of this plough groove type structure as the first member 110 to plane 122a, 122b, so that this first member 110 in the pressing process along this to plane 122a, the downward pressing of 122b, the material silicon of melting is filled in this face of weld 121 and this and is led between the fuse 111 in the time of pressing, and this is to plane 122a, 122b can avoid melted material to overflow outside the groove, simultaneously this first member 110 and this second component 120 to plane 122a, the essential gap that forms is for the required space of vibrations between the 122b.
Yet, take action the now lightening main flow trend that becomes the consumption market of electronic product, thin and the lightweight new-type machine of fuselage that releases one after another such as the electronic product such as Smartphone, panel computer or notebook computer, to meet the modern for the portability of electronic product, the requirement that operability is also taken into account operational effectiveness simultaneously, and various action electronic products are in order to reach the above-mentioned purpose such as lightening, its overall volume by the design of interiors of products member with make affect.And in the above-mentioned known ultrasonic welding structure, it is owing to the structural design of leading energy line and face of weld corresponding between two members, the aligning structure of taking into account simultaneously, ultrasonic vibrations and melting material are filled in required gap, and must possess ad hoc structure shown in Fig. 2 A and Fig. 2 B, locating outer frame add structure or component thickness, and cause the size of element to reduce, and then can't further reduce action electronic product overall volume.
Summary of the invention
Purpose of the present invention is for providing a kind of ultrasonic welding structure and ultrasonic welding process, and it can save the required space of ultrasonic welding, and then reduces the size of action electronic product overall volume and reach lightening effect.
In order to reach above-mentioned purpose, the invention provides a kind of ultrasonic welding structure, it is used mutually with ultrasonic energy, for one first member is bonded to second component along a pressing direction pressing and welding, this ultrasonic welding structure comprises: face of weld, it is formed at the wherein one of this first member and this second component, and this face of weld relatively this pressing direction is clinoplain; And lead can flange, it is corresponding with this face of weld and be formed at the wherein another one of this first member and this second component, in order to when this first member is pressed on this second component along this pressing direction, this lead can flange to should producing a contact by face of weld, and engage this first member and this second component by the ultrasonic melting.
Above-mentioned ultrasonic welding structure, wherein this second component is provided with one, and this installation portion is a groove; Wherein, this groove can be formed with the accommodation space to external form that should the first member.
Above-mentioned ultrasonic welding structure, wherein this lead can flange be step structure.
Above-mentioned ultrasonic welding structure, wherein this second component is provided with an installation portion, and this installation portion is a groove; Wherein, this leads the edge that the energy flange-shape is formed in this first member; And this is led and can form rectangular shaped by flange.
In addition, in order to reach above-mentioned purpose, the present invention provides a kind of ultrasonic welding process in addition, it is applied to a ultrasonic energy, this ultrasonic welding process comprises: the first member and second component are provided, and the wherein one in this first member and this second component is formed with a face of weld, and is formed with in the wherein another one of this first member and this second component that lead can flange, this lead can flange to should face of weld; And with this first member and this second component pressing and welding, and this first member is along a pressing direction pressing, this face of weld relatively this pressing direction is clinoplain, can flange this face of weld be produced contact so that this is led, for by the ultrasonic vibrations of this ultrasonic energy with this first member and this second component molten adhere.
Above-mentioned ultrasonic welding process, wherein this second component is formed with installation portion, and this installation portion is a groove; Wherein, this groove is formed with the accommodation space to external form that should the first member.
Above-mentioned ultrasonic welding process, this is led can flange be step structure.
Above-mentioned ultrasonic welding process, wherein this second component is formed with installation portion, and this installation portion is a groove; Wherein, this leads the edge that the energy flange-shape is formed in this first member; And this is led and can form rectangular shaped by flange.
Therefore, the ultrasonic welding structure of the embodiment of the invention increases the area for welding by the face of weld of relatively pressing direction inclination, can make to keep enough heat seal strengths when reducing material thickness; In addition, according to an embodiment of the invention the ultrasonic welding structure can by face of weld, lead can flange and the structure of installation portion reach the contraposition effect, form the extra aligning structure such as contraposition groove, groove or locating outer frame and can save at member, therefore can reduce the material thickness of member and save the internal configurations space, and then help the lightening of electronic product of taking action, and reduce manufacturing cost.
Description of drawings
Fig. 1 is the schematic diagram of known ultrasonic welding structure.
Fig. 2 A and Fig. 2 B are respectively the known ultrasonic welding organigram of staged welding and plough groove type welding.
Fig. 3 A to Fig. 3 C is the schematic diagram of the ultrasonic welding structure of first embodiment of the invention.
Fig. 4 A to Fig. 4 C is the schematic diagram of the ultrasonic welding structure of second embodiment of the invention.
[main element symbol description]
10 first members
11 face of weld
20 second components
21 installation portions
22 lead the energy flange
30 first members
31 lead the energy flange
40 second components
41 installation portions
42 face of weld
110 first members
111 lead energy line
120 second components
121 face of weld
122 pairs of planes
122a, 122b are to plane
130 soldering tips
A pressing direction.
The specific embodiment
For fully understanding purpose of the present invention, feature and effect, hereby by following specific embodiment, and cooperate appended graphicly, the present invention is done a detailed description.
Please refer to Fig. 3 A to Fig. 3 C, it is the schematic diagram of the ultrasonic welding structure of first embodiment of the invention.Ultrasonic welding structure and the ultrasonic energy of first embodiment of the invention are used mutually, for the first member 10 is bonded to second component 20 along a pressing direction A pressing and welding, this ultrasonic welding structure comprises: face of weld 11, be formed at this first member 10, this face of weld 11 relative this pressing direction A are clinoplain; And lead can flange 22, it is corresponding with this face of weld 11 and be formed at this second component 20, in order to when this first member 10 is pressed on this second component 20 along this pressing direction A, this is led and can should produce a contact by face of weld 11 by 22 pairs of flanges, and engages this first member 10 and this second component 20 by the ultrasonic melting.
In the present embodiment, this second component 20 is provided with an installation portion 21, this installation portion 21 is a groove, as shown in the figure, this groove is formed with the accommodation space to external form that should the first member 10, and this is led and can be the step structure in the installation portion 21 that is formed at this second component 20 by flange 22, namely this leads the most advanced and sophisticated edge that energy flange 22 has step structure, in order to concentrate and the guiding ultrasonic energy, between the first member 10 and second component 20, to make the material melting by friction produces high temperature, simultaneously in the pressing program, this lead can flange 22 with most advanced and sophisticated edge to these face of weld 11 mineralization pressures, and the Material Flow of melting is filled in the face of weld 11 of this first member 10 and leading between the energy flange 22 of this second component 20.
As shown in Figure 3A, when carrying out the ultrasonic welding of the first member 10 and second component 20, at first this first member 10 and this second component 20 are arranged in the ultrasonic energy, the face of weld 11 of this first member 10 can flange 22 corresponding to leading of the installation portion 21 of this second component 20; Then, shown in Fig. 3 B, with this first member 10 along soldering tip 130 pressings of pressing direction A by ultrasonic energy, wherein, because this installation portion 21 (being a groove) is to external form that should the first member 10, therefore the sidewall of this installation portion 21 can provide the contraposition to this first member 10, so that this first member 10 is along the sidewall of this installation portion 21 and be pressed downward and close, and in the pressing process, this is led and can produce contact by 22 pairs of these face of weld of flange 11, simultaneously this first member 10 and this second component 20 by ultrasonic vibrations each other friction produce high temperature, and then molten adhere each other, shown in Fig. 3 C, schematic diagram after this first member 10 and these second component 20 ultrasonic weldings, the top of this first member 10 flushes with the surface (being the surface of this groove) of this installation portion 21, and namely these installation portion 21 formed accommodation spaces can hold the whole of these the first member 10 bodies, therefore this first member 10 is embedded in this installation portion 21; Yet these installation portion 21 formed accommodation spaces can be used for holding a part of of this first member 10 or all, for example also can be the structure that protrudes from second component 20 surfaces after these the first member 10 weldings, and are not limited to the present embodiment and graphic example.
Please refer to Fig. 4 A to Fig. 4 C, it is the schematic diagram of the ultrasonic welding structure of second embodiment of the invention.The ultrasonic welding structure of second embodiment of the invention is used for 30 weldings of the first member are bonded to second component 40, its by ultrasonic energy with this first member 30 along the A pressing of pressing direction and be fused to second component 40, this ultrasonic welding structure comprises: face of weld 42, it is formed at this second component 40, and this face of weld 42 relative this pressing direction A are clinoplain; And lead can flange 31, it is corresponding with this face of weld 42 and be formed at this first member 30, in order to when this first member 30 is pressed on this second component 40 along this pressing direction A, this is led and can should produce a contact by face of weld 42 by 31 pairs of flanges, and engages this first member 30 and this second component 40 by the ultrasonic melting.
In the present embodiment, this second component 40 is provided with an installation portion 41, and as shown in the figure, this installation portion 41 is a groove, and is formed with the accommodation space to external form that should the first member 30.
In the present embodiment, this leads the edge that energy flange 31 is formed at this first member 30, namely this first member 30 can flange 31 as leading with the intrinsic edge of its body, this is led and can form rectangular shaped by flange 31, in order to concentrate and the guiding ultrasonic energy, between this first member 30 and this second component 40, to make the material melting by friction produces high temperature, simultaneously in the pressing program, this lead can flange 31 with the tip of rectangular shaped to these face of weld 42 mineralization pressures, and the Material Flow of melting is filled between this first member 30 and this second component 40.
Shown in Fig. 4 A, when carrying out the ultrasonic welding of the first member 30 and second component 40, at first this first member 30 and this second component 40 are arranged in the ultrasonic energy, this first member 30 lead can flange 31 corresponding to the face of weld 42 of the installation portion 41 of this second component 40; Then, shown in Fig. 4 B, with this first member 30 along soldering tip 130 pressings of pressing direction A by ultrasonic energy, wherein, because this installation portion 41 (being groove) is to external form that should the first member 30, therefore the sidewall of this installation portion 41 can provide the contraposition to this first member 30, so that the first member 30 is along the sidewall of this installation portion 41 and be pressed downward and close; In the pressing process, this is led and can produce contact by 31 pairs of these face of weld of flange 42, simultaneously this first member 30 and this second component 40 by ultrasonic vibrations each other friction produce high temperature, and then molten adhere each other, shown in Fig. 4 C, schematic diagram after this first member 30 and these second component 40 ultrasonic weldings, the flush of the top of this first member 30 and this installation portion 41, namely these installation portion 41 formed accommodation spaces can hold the whole of these the first member 30 bodies, therefore this first member 30 is embedded in this installation portion 41; Yet these installation portion 41 formed accommodation spaces can be used for holding a part of of this first member 30 or all, for example also can be the structure that protrudes from second component 40 surfaces after these the first member 30 weldings, and are not limited to the present embodiment and graphic example.
In addition, cooperate shown in Fig. 3 A to Fig. 3 C, the ultrasonic welding process of using the ultrasonic welding structure of the invention described above the first embodiment is applied to a ultrasonic energy, and this ultrasonic welding process comprises:
One first member 10 and a second component 20 are provided, and are formed with a face of weld 11 in this first member 10, this second component 20 is formed with that leads can flange 22, this lead can flange 22 pairs should face of weld 11; With this first member 10 and this second component 20 pressings and welding, and this first member 10 is along a pressing direction A pressing, this face of weld 11 relative this pressing direction A are clinoplain, so that this lead can flange 22 pairs of these face of weld 11 produce contacts, for by the ultrasonic vibrations of this ultrasonic energy with the first member 10 and these second component 20 molten adhere.
Similarly, cooperate shown in Fig. 4 A to Fig. 4 C, the ultrasonic welding process of using the ultrasonic welding structure of the invention described above the second embodiment is applied to a ultrasonic energy, and this ultrasonic welding process comprises:
The first member 30 and second component 40 are provided, and are formed with a face of weld 42 in this second component 40; This first member 30 is formed with that leads can flange 31, this lead can flange 31 pairs should face of weld 42; With this first member 30 and this second component 40 pressings and welding, and this first member 30 is along a pressing direction A pressing, this face of weld 42 relative this pressing direction A are clinoplain, so that this lead can flange 31 pairs of these face of weld 42 produce contacts, for by the ultrasonic vibrations of this ultrasonic energy with this first member 30 and these second component 40 molten adhere.
Therefore, the ultrasonic welding structure of the embodiment of the invention increases the area for welding by the face of weld of relatively pressing direction inclination, can make to keep enough heat seal strength and waterproof effects when reducing material thickness; In addition, according to an embodiment of the invention the ultrasonic welding structure can by face of weld, lead can flange and the structure of installation portion reach the contraposition effect, form the extra aligning structure such as contraposition groove, groove or locating outer frame and can save at member, therefore can reduce the material thickness of member and save the internal configurations space, the space structure that is used for welding that it can reduce by more than 50 compared to known technology, and then help the lightening of electronic product of taking action, and reduce manufacturing cost.
The present invention discloses with preferred embodiment hereinbefore, so has the knack of the technology person and it should be understood that above-described embodiment only is used for explanation the present invention, does not limit the scope of the invention and should not be read as.It should be noted, such as with variation and the displacement of embodiment equivalence, all should be made as and be covered by in the category of the present invention.Therefore, protection scope of the present invention should with hereinafter claim the person of being defined be as the criterion.

Claims (10)

1. ultrasonic welding structure, it is used mutually with ultrasonic energy, for one first member is bonded to a second component along a pressing direction pressing and welding, it is characterized in that, and this ultrasonic welding structure comprises:
Face of weld, it is formed at the wherein one of this first member and this second component, and this face of weld relatively this pressing direction is clinoplain; And
Lead the energy flange, it is corresponding with this face of weld and be formed at the wherein another one of this first member and this second component, in order to when this first member is pressed on this second component along this pressing direction, this lead can flange to should producing a contact by face of weld, and engage this first member and this second component by the ultrasonic melting.
2. ultrasonic welding structure as claimed in claim 1 is characterized in that, wherein this second component is provided with an installation portion, and this installation portion is a groove.
3. ultrasonic welding structure as claimed in claim 1 is characterized in that, wherein this lead can flange be step structure.
4. ultrasonic welding structure as claimed in claim 2 is characterized in that, wherein this leads the edge that the energy flange-shape is formed in this first member.
5. ultrasonic welding structure as claimed in claim 4 is characterized in that, wherein this leads the shape that can flange-shape meets at right angles.
6. ultrasonic welding process, it is applied to a ultrasonic energy, it is characterized in that, and the method comprises:
The first member and second component are provided, and are formed with a face of weld and are formed with in the wherein another one of this first member and this second component that lead can flange in the wherein one of this first member and this second component, this lead can flange to should face of weld; And
With this first member and this second component pressing and welding, and this first member is along a pressing direction pressing, this face of weld relatively this pressing direction is clinoplain, can flange this face of weld be produced contact so that this is led, for by the ultrasonic vibrations of this ultrasonic energy with the first member and this second component molten adhere.
7. ultrasonic welding process as claimed in claim 6 is characterized in that, wherein this second component is formed with installation portion, and this installation portion is a groove.
8. ultrasonic welding process as claimed in claim 6 is characterized in that, wherein this lead can flange be step structure.
9. ultrasonic welding process as claimed in claim 7 is characterized in that, wherein this leads the edge that the energy flange-shape is formed in this first member.
10. ultrasonic welding process as claimed in claim 9 is characterized in that, wherein this leads the shape that can flange-shape meets at right angles.
CN2012100990093A 2012-04-06 2012-04-06 Ultrasonic wave welding structure and ultrasonic wave welding method Pending CN103358015A (en)

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CN2012100990093A CN103358015A (en) 2012-04-06 2012-04-06 Ultrasonic wave welding structure and ultrasonic wave welding method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114698292A (en) * 2020-12-31 2022-07-01 群光电能科技股份有限公司 Welding structure for connecting two objects

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3248884B2 (en) * 1999-01-13 2002-01-21 株式会社日本アルミ Method of bonding iron member and aluminum member
CN1717292A (en) * 2002-11-29 2006-01-04 莱卡地球系统公开股份有限公司 Method for soldering miniaturised components to a base plate
CN101883656A (en) * 2007-07-24 2010-11-10 必能信超声公司 Ultrasonic vibration welder
TWM423011U (en) * 2011-09-19 2012-02-21 Celestica Int Inc Plastic part welded construction using ultrasonic welding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3248884B2 (en) * 1999-01-13 2002-01-21 株式会社日本アルミ Method of bonding iron member and aluminum member
CN1717292A (en) * 2002-11-29 2006-01-04 莱卡地球系统公开股份有限公司 Method for soldering miniaturised components to a base plate
CN101883656A (en) * 2007-07-24 2010-11-10 必能信超声公司 Ultrasonic vibration welder
TWM423011U (en) * 2011-09-19 2012-02-21 Celestica Int Inc Plastic part welded construction using ultrasonic welding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114698292A (en) * 2020-12-31 2022-07-01 群光电能科技股份有限公司 Welding structure for connecting two objects

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Application publication date: 20131023