CN103367869A - Antenna oscillator and manufacturing method thereof - Google Patents
Antenna oscillator and manufacturing method thereof Download PDFInfo
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- CN103367869A CN103367869A CN2012100844839A CN201210084483A CN103367869A CN 103367869 A CN103367869 A CN 103367869A CN 2012100844839 A CN2012100844839 A CN 2012100844839A CN 201210084483 A CN201210084483 A CN 201210084483A CN 103367869 A CN103367869 A CN 103367869A
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- weld zone
- antenna oscillator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
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Abstract
The embodiment of the invention relates to an antenna oscillator and a manufacturing method thereof. The antenna oscillator comprises a welding area and a non-welding area which are connected to form the antenna oscillator. The welding area includes a welding point area and a part around the welding point area, wherein the welding point area is an area, needing to be welded together with other parts, of the antenna oscillator. The welding area adopts a first material resistant to high temperature so that the welding area can withstand high temperature generated due to welding operations when the welding operations are carried out in the welding point area, and the non-welding area can withstand transferred temperature when the high temperature generated due to the welding operations is transferred from the welding area to the non-welding area. The non-welding area is the remaining part of the antenna oscillator except the welding area and adopts a second material of which the density is lower than that of the first material so that the weight of the non-welding area is reduced. According to the antenna oscillator and the manufacturing method thereof which are disclosed by the embodiment of the invention, the weight of the antenna oscillator is greatly reduced as different materials are adopted in the welding area and the non-welding area.
Description
Technical field
The embodiment of the invention relates to communication equipment field, relates in particular to a kind of antenna oscillator and manufacture method thereof.
Background technology
Antenna oscillator is the core devices of wireless base station antenna, in order to satisfy the functional requirement of antenna, the general more complicated of its structure.Fig. 1 is the schematic diagram of prior art antenna oscillator, and as shown in Figure 1, antenna oscillator adopts one, one-step die casting more at present.Antenna oscillator mainly passes through welding manner with being connected of feeder line, and the base material of welding requirements antenna oscillator is high temperature resistant.
Existing one, the antenna oscillator of one-step die casting, in order to guarantee the weldability of welding region, heavier, the resistant to elevated temperatures material of operating weight often is such as pack alloy, zinc die casting alloys etc., so that the antenna oscillator overall weight is larger.
Summary of the invention
The purpose of the embodiment of the invention is to propose a kind of antenna oscillator and manufacture method thereof, is intended to solve the heavy problem of antenna oscillator quality of traditional one, one-step die casting.
For achieving the above object, the invention provides a kind of antenna oscillator, described antenna oscillator comprises: weld zone and non-weld zone, and described weld zone links to each other to form described antenna oscillator with described non-weld zone; Described weld zone comprises the part around pad zone and the described pad zone; Wherein, described pad is regional is the zone that described antenna oscillator and other parts need to weld; Described weld zone adopts resistant to elevated temperatures the first material to make, so that when carrying out welding operation in described pad zone, the high temperature that described weld zone produces in the time of can bearing described welding operation, and after the high temperature that produces during described welding operation was transmitted to described non-weld zone through described weld zone, described non-weld zone can sustain the temperature that conduction is come; Described non-weld zone is the remainder of described antenna oscillator except described weld zone, and described non-weld zone adopts second material lower than described the first density of material to make, to reduce the weight of described non-weld zone.
The embodiment of the invention has also proposed a kind of manufacture method of antenna oscillator, and described method comprises: utilize resistant to elevated temperatures the first material with weld zone machine-shaping; Utilize the second material with the machine-shaping of non-weld zone, described the second density of material is lower than described the first density of material; Described weld zone is engaged to form described antenna oscillator with described non-weld zone.
Antenna oscillator and manufacture method thereof that the embodiment of the invention proposes by adopting different materials in weld zone and non-weld zone respectively, thereby greatly reduce the weight of antenna oscillator.
Description of drawings
Fig. 1 is the schematic diagram of prior art antenna oscillator;
Fig. 2 is the schematic diagram of further embodiment of this invention antenna oscillator;
Fig. 3 is the schematic diagram of yet another embodiment of the invention antenna oscillator;
Fig. 4 is the flow chart of the manufacture method of embodiment of the invention antenna oscillator.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The embodiment of the invention has proposed a kind of antenna oscillator, has changed vibrator integrated, the one-time formed mode of traditional antenna, adopts weld zone and the respectively independent moulding of non-weld zone, then weld zone and non-weld zone is joined together the composition antenna oscillator.The antenna oscillator of the embodiment of the invention adopts resistant to elevated temperatures welding material in the weld zone, non-weld zone adopts the material of and easy-formation lower than weld zone density, thereby greatly reduces the weight of antenna oscillator, and has reduced the moulding difficulty of antenna oscillator.
Antenna oscillator and the mode of mainly passing through being connected of feeder line to weld, the base material of welding requirements antenna oscillator will have heat-resisting quantity, but the zone of antenna oscillator and feeder line welding only accounts for the seldom part of whole antenna oscillator, and the overwhelming majority of antenna oscillator need not welding.The antenna oscillator of the embodiment of the invention is divided into weld zone and non-weld zone, the weld zone be antenna oscillator need to the pad zone of other parts welding and the part around the pad zone; Non-welding region is antenna oscillator other zone except the weld zone.
The pad zone of the embodiment of the invention is the zone of antenna oscillator and feeder line welding, antenna oscillator and feeder line is linked together by welding in the pad zone.Concrete shape, the large I of pad zone peripheral part of the embodiment of the invention are determined according to actual conditions, for example, determine according to the size of pad; Heat-resisting quantity, conductivity of heat according to welding material are determined; Environment for use according to antenna oscillator is determined; Perhaps the factor such as come to determine according to the true form of whole antenna oscillator and size.
The weld zone of the embodiment of the invention adopts resistant to elevated temperatures welding material, when welding operation is carried out in the pad zone, so that the high temperature that the weld zone produces can bear welding operation the time.The welding material high temperature that the weld zone of embodiment of the invention antenna oscillator adopts can bear and be higher than 450 ℃, and low temperature can bear and be lower than-55 ℃, can adopt some alloy materials, such as copper alloy, aluminium alloy, kirsite etc.; Also can adopt high-temperature resistance plastice, such as polyether-ether-ketone (PEEK), Polyetherimide (PEI), polyphenylene sulfide (PPS) etc.The non-weld zone of the embodiment of the invention adopts that quality is light, easy-formation, cost are low, the simple non-welding material of deburring, the material that non-weld zone adopts does not need high temperature resistant, as long as the high temperature that produces in the time of can sustaining welding operation is transmitted to the temperature of non-weld zone through the weld zone.The non-weld zone of embodiment of the invention antenna oscillator adopts the material that works under-55 ℃～65 ℃ conditions, such as ordinary hot moulding material ABS resin, light-weight sintering aluminium alloy etc.What the non-weld zone of the antenna oscillator of the embodiment of the invention adopted is that quality is light, cost is low, the simple non-welding material of deburring, only adopt the welding material that quality is heavy, cost is high in the weld zone, but the weld zone only accounts for the seldom part of whole antenna oscillator, thereby can effectively reduce weight and the cost of antenna oscillator.
The antenna oscillator of the embodiment of the invention is first with the independent machine-shaping in weld zone and non-weld zone, again the weld zone after the moulding is engaged with non-weld zone and form antenna oscillator, weld zone and non-weld zone can adopt grafting, mode cementing or that link to link together, and also can utilize the mode of inserts die casting to link together.
Need to prove, the metal coating of the welding material that embodiment of the invention antenna oscillator uses and the outside need of non-welding material plating one deck energy conduction electro-magnetic wave, thus so that antenna oscillator can transmit and receive electromagnetic wave.Metal coating can adopt metallic copper material, metallic tin material, argent material, the material that perhaps other can conduction electro-magnetic wave.
Traditional antenna oscillator adopts one, one-step die casting more, in order to guarantee the weldability of welding region, common whole antenna oscillator all adopts resistant to elevated temperatures welding material, such as copper alloy, aluminium alloy etc., so that the antenna oscillator overall weight is large, cost is high, and material deburring difficulty very, thereby causes antenna oscillator that inconvenience is in use arranged.The antenna oscillator of the embodiment of the invention has changed the mode that the traditional antenna oscillator adopts one, one-step die casting, take first with the independent machine-shaping in weld zone and non-weld zone, again the weld zone after the moulding is engaged the technique that forms antenna oscillator with non-weld zone, use resistant to elevated temperatures welding material in the weld zone, non-weld zone service quality is light, cost is low, easy-formation, the simple material of deburring, effectively reduce the weight of antenna oscillator, reduce the cost of antenna oscillator, reduced simultaneously the moulding difficulty of antenna oscillator.
Fig. 2 is the schematic diagram of further embodiment of this invention antenna oscillator, and as shown in Figure 2, the antenna oscillator of the present embodiment is divided into weld zone and non-weld zone two parts, and wherein non-weld zone comprises: annulus 21, the first support 22, leg 23; The weld zone comprises: the second support 24 and pin two 5.
Be distributed with tapping hole 26 on the annulus 21, antenna oscillator is connected with reflecting plate by tapping hole 26, for example can by tapping hole 26 antenna oscillator be fixed on the reflecting plate with screw.The first support 22 is evenly distributed in around the annulus 21, and an end of the first support 22 is connected with annulus 21, and the other end is connected with an end of the second support 24; The first support 22 is played a supporting role on the one hand, keeps the structural stability of antenna oscillator; Be distributed with groove 27 on the first support 22 on the other hand, groove 27 is used for placing feeder line.Leg 23 1 ends link to each other with the outer end of the second support 24, are symmetrically distributed in the both sides of the second support 24.Also be connected with the pin two 5 of " L " type in the junction of the second support 24 and leg 23.The outside line of feeder line is welded on the second support 24, and the interior lines of feeder line are welded on " L " type pin two 5.
The antenna oscillator of the embodiment of the invention has changed the whole pattern that adopts commaterial of traditional antenna oscillator, adopt different materials in different zones, adopt the welding material of high temperature resistant (withstand temperature is higher than 450 ℃) in the weld zone, then adopt the material that normal operation gets final product under-55 ℃～65 ℃ conditions in non-weld zone.Again as shown in Figure 2, the outside line of the feeder line of embodiment of the invention antenna oscillator is welded on the second support 24, and therefore the second support 24 adopts withstand temperature to be higher than 450 ℃ welding material 28 (such as dash area among Fig. 2); The interior lines of feeder line are welded on " L " type pin two 5, and therefore " L " type pin two 5 also adopts withstand temperature to be higher than 450 ℃ welding material 28; Other parts of antenna oscillator do not need welding, thereby can adopt the material that normal operation gets final product under-55 ℃～65 ℃ conditions.
Again as shown in Figure 2, embodiment of the invention antenna oscillator has changed that traditional antenna is vibrator integrated, the manufacture craft of one-step die casting, but first with the independent machine-shaping in weld zone and non-weld zone, adopt unlike material in zones of different, and then welding region and non-welding region connected into whole antenna oscillator, the connected mode between the zones of different is specific as follows:
One end of the first support 22 and annulus 21 adopt grafting or mode cementing or that link to link together.One end of the other end of the first support 22 and the second support 24 adopts grafting or mode cementing or that link to link together.Leg 23 and the second support 24 outer ends adopt grafting or mode cementing or that link to link together.The outer end end of pin two 5 and the second support 24 welds together, and also can adopt grafting or mode cementing or that link to link together.
The antenna oscillator of this enforcement and above-described embodiment all is to have changed the mode that the traditional antenna oscillator adopts one, one-step die casting, take to use in the weld zone resistant to elevated temperatures welding material, non-weld zone service quality is light, cost is low, the material of easy-formation, effectively reduce the weight of antenna oscillator, reduce the cost of antenna oscillator.
Fig. 3 is the schematic diagram of the antenna oscillator of yet another embodiment of the invention, and as shown in Figure 3, the present embodiment antenna oscillator is divided into weld zone and non-weld zone two parts, and wherein non-weld zone comprises: annulus 21, the first support 22; The weld zone comprises: leg 23, the second support 24 and pin two 5.
The first support 22 adopts one, one-step die casting with annulus 21; The second support 24 adopts one, one-step die casting with leg 23, pin two 5.The first support 22 adopts non-welding material with annulus 21; The second support 24 then adopts welding material with leg 23, pin two 5 because of the needs welding.Adopt to peg graft between the inner of the outer end of the first support 22 and the second support 24, cementing, link or adopt the mode of inserts die casting to link together.
The inner of the first support of the antenna oscillator of the present embodiment and annulus adopt one, one-step die casting, and adopt non-welding material; The outer end of the second support and leg and pin adopt one, one-step die casting, and adopt welding material; The intersection of the first support outer end and second support the inner is taked to peg graft or is cementing or link or adopt the mode of inserts die casting to link together.Greatly reduced like this between the antenna oscillator various piece assembling be connected, make the preparation technology of product simple, and reduced equally the quality of antenna oscillator.
Need to prove, in the inserts press casting procedure, first with leg, pin and the second support by die casting one, one-shot forming (being that the weld zone is as a whole), then grinding tool is put in the weld zone of one, again mould is injected in non-welding material melting and by die casting or injection moulding mode non-weld zone and weld zone are connected as one.Also can be with the weld zone by die casting one, one-shot forming, non-weld zone links together the weld zone after the moulding and non-weld zone also by die casting one, one-shot forming by the mode that links, pegs graft or glued joint.
The weld zone of the antenna oscillator of the present embodiment and the structure of non-weld zone and connected mode are not limited to the mode that the embodiment of the invention is enumerated, and can also adopt other structure or connected mode according to actual conditions.
The antenna oscillator of the present embodiment is identical with the antenna oscillator of above-mentioned two embodiment, all be to have changed the mode that the traditional antenna oscillator adopts one, one-step die casting, take to use in the weld zone resistant to elevated temperatures welding material, non-weld zone service quality is light, cost is low, the material of easy-formation, effectively reduce the weight of antenna oscillator, reduce the cost of antenna oscillator, reduce simultaneously the moulding difficulty of antenna oscillator.
The embodiment of the invention has also proposed a kind of manufacture method of antenna oscillator, and Fig. 4 is the flow chart of the manufacture method of embodiment of the invention antenna oscillator, and as shown in Figure 4, the manufacture method of embodiment of the invention antenna oscillator specifically comprises the steps:
Step 101 utilizes resistant to elevated temperatures the first material with weld zone machine-shaping;
Concrete, resistant to elevated temperatures welding material is shaped to the weld zone of antenna oscillator by the mode of extruding or machining; Or mould is shaped to antenna oscillator by the mode of die casting weld zone will be filled with after the resistant to elevated temperatures welding material melting.The welding material high temperature that the weld zone of the embodiment of the invention adopts can bear and be higher than 450 ℃, and low temperature can bear and be lower than-55 ℃, can adopt some alloy materials, such as copper alloy, aluminium alloy, kirsite etc.; Also can adopt high-temperature resistance plastice, such as polyether-ether-ketone (PEEK), Polyetherimide (PEI), polyphenylene sulfide (PPS) etc.
Step 102 utilizes the second material with the machine-shaping of non-weld zone, and the second density of material is lower than the first density of material;
Concrete, quality is light, easy-formation, the non-weld zone that cost is low, the simple non-welding material of deburring is shaped to antenna oscillator by the mode of extruding or machining; Perhaps be filled with the non-weld zone that is shaped to antenna oscillator in the mould by pressure casting method after low, the simple non-welding material melting of deburring of quality is light, easy-formation, cost.The non-weld zone of embodiment of the invention antenna oscillator adopts the material that works under-55 ℃～65 ℃ conditions, such as ordinary hot moulding material ABS resin, light-weight sintering aluminium alloy etc.
Step 103 engages to form antenna oscillator with the weld zone with non-weld zone.
Concrete, the non-weld zone of moulding in the weld zone of moulding in the step 101 and the step 102 is coupled together the composition antenna oscillator.The weld zone of embodiment of the invention antenna oscillator and non-weld zone can be bonded together by grafting, mode cementing or that link, also can be bonded together by the mode of inserts die casting.
Need to prove, weld zone and the non-weld zone mode by inserts die casting is bonded together and is specially, non-welding material after weld zone after the moulding and the melting is put into die casting so that non-welding material is shaped to non-weld zone, simultaneously so that weld zone and non-weld zone be bonded together.
The manufacture method of the antenna oscillator that the embodiment of the invention proposes, changed vibrator integrated, the one-time formed mode of traditional antenna, but adopt weld zone and the respectively independent moulding of non-weld zone, then weld zone and non-weld zone are coupled together the technique of composition antenna oscillator.The manufacture method of embodiment of the invention antenna oscillator adopts resistant to elevated temperatures welding material in the weld zone, non-weld zone adopts the material of and easy-formation lower than weld zone density, thereby greatly reduces the weight of antenna oscillator, and has reduced the moulding difficulty of antenna oscillator.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an antenna oscillator is characterized in that, described antenna oscillator comprises:
Weld zone and non-weld zone, described weld zone links to each other to form described antenna oscillator with described non-weld zone;
Described weld zone comprises the part around pad zone and the described pad zone;
Wherein, described pad is regional is the zone that described antenna oscillator and other parts need to weld; Described weld zone adopts resistant to elevated temperatures the first material to make, so that when carrying out welding operation in described pad zone, the high temperature that described weld zone produces in the time of can bearing described welding operation, and after the high temperature that produces during described welding operation was transmitted to described non-weld zone through described weld zone, described non-weld zone can sustain the temperature that conduction is come;
Described non-weld zone is the remainder of described antenna oscillator except described weld zone, and described non-weld zone adopts second material lower than described the first density of material to make, to reduce the weight of described non-weld zone.
2. antenna oscillator according to claim 1 is characterized in that, described weld zone pegs graft with described non-weld zone, cementing, link or utilize inserts die casting to be connected.
3. antenna oscillator according to claim 2, it is characterized in that, described weld zone utilizes inserts die casting to be connected with described non-weld zone and is specially, described weld zone adopts described the first materials processing moulding, described the second material after described weld zone after the moulding and the melting is put into die casting, so that described the second forming materials is described non-weld zone.
4. antenna oscillator according to claim 1 is characterized in that, described the second material is the light material of easy-formation.
5. antenna oscillator according to claim 1 is characterized in that, but described the first material and described the second material surface are coated with the metal coating of conduction electro-magnetic wave.
6. antenna oscillator according to claim 1 is characterized in that, described antenna oscillator comprises:
Annulus;
Support, described support comprises interconnected the first support and the second support, and an end of described the first support is connected on the described annulus, and described the first support has groove, be equipped with feeder line in the described groove, the outside line of described feeder line is welded on the outer end of described the second support;
Pin, described pin is connected to the outer end of described the second support, and is welded to connect with the interior lines of described feeder line;
Leg, described leg also is connected to the outer end of described the second support;
Described the second support and described pin are the weld zone; Described annulus, described the first support and described leg are non-weld zone.
7. antenna oscillator according to claim 1 is characterized in that, described antenna oscillator comprises:
Annulus;
Support, described support comprise interconnected the first support and the second support, and described the first support and described annulus are one-body molded, and described support has groove, is equipped with feeder line in the described groove, and the outside line of described feeder line is welded on the outer end of described the second support;
Pin is positioned at the outer end of described the second support, and is welded to connect with the interior lines of described feeder line;
Leg be positioned at the outer end of described the second support, and described the second support, pin and leg is one-body molded;
Described the second support, pin and leg are the weld zone; Described the first support and annulus are non-weld zone.
8. the manufacture method of an antenna oscillator is characterized in that, described method comprises:
Utilize resistant to elevated temperatures the first material with weld zone machine-shaping;
Utilize the second material with the machine-shaping of non-weld zone, described the second density of material is lower than described the first density of material;
Described weld zone is engaged to form described antenna oscillator with described non-weld zone.
9. the manufacture method of antenna oscillator according to claim 8 is characterized in that, described described weld zone is engaged with described non-weld zone is specially, with described weld zone peg graft with described non-weld zone, cementing, link or utilize inserts die casting to engage.
10. the manufacture method of antenna oscillator according to claim 9, it is characterized in that, describedly utilize inserts die casting to engage with described non-weld zone described weld zone to be specially, described the second material after described weld zone after the moulding and the melting is put into die casting, so that described the second forming materials is described non-weld zone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084483.9A CN103367869B (en) | 2012-03-27 | 2012-03-27 | Antenna oscillator and manufacture method thereof |
| PCT/CN2013/071214 WO2013143359A1 (en) | 2012-03-27 | 2013-01-31 | Antenna oscillator and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084483.9A CN103367869B (en) | 2012-03-27 | 2012-03-27 | Antenna oscillator and manufacture method thereof |
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| CN103367869A true CN103367869A (en) | 2013-10-23 |
| CN103367869B CN103367869B (en) | 2016-12-07 |
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| CN201210084483.9A Active CN103367869B (en) | 2012-03-27 | 2012-03-27 | Antenna oscillator and manufacture method thereof |
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| CN (1) | CN103367869B (en) |
| WO (1) | WO2013143359A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174957A (en) * | 2014-08-15 | 2014-12-03 | 惠州市三力实业有限公司 | Automatic welding equipment for antenna oscillator |
| CN111518391A (en) * | 2020-05-08 | 2020-08-11 | 深圳华力兴新材料股份有限公司 | Polyphenylene sulfide resin composition and preparation method and application thereof |
| CN113102903A (en) * | 2021-03-30 | 2021-07-13 | 安徽博微长安电子有限公司 | Method for manufacturing aluminum alloy antenna oscillator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588829B (en) * | 2015-01-28 | 2017-02-01 | 湖北日海通讯技术有限公司 | Vibrator feeder welding tool |
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| US20080122718A1 (en) * | 2006-10-13 | 2008-05-29 | Thales | Phase-shifting cell having an analogue phase shifter for a reflectarray antenna |
| CN201584502U (en) * | 2009-11-23 | 2010-09-15 | 江苏捷士通科技股份有限公司 | Radiating element of GSM/CDMA dual-polarized mobile base-station directional antenna |
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| CN201699136U (en) * | 2009-12-30 | 2011-01-05 | 广东通宇通讯设备有限公司 | Wide-band dual-polarized antenna radiating unit and antenna |
| CN101916902A (en) * | 2010-07-15 | 2010-12-15 | 江苏捷士通科技股份有限公司 | Microstrip coupled radiation unit for broadband dual-polarized directional base station antenna |
| CN102013560B (en) * | 2010-09-25 | 2013-07-24 | 广东通宇通讯股份有限公司 | Broadband high-performance dual-polarization radiation unit and antenna |
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- 2012-03-27 CN CN201210084483.9A patent/CN103367869B/en active Active
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- 2013-01-31 WO PCT/CN2013/071214 patent/WO2013143359A1/en active Application Filing
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| US20080122718A1 (en) * | 2006-10-13 | 2008-05-29 | Thales | Phase-shifting cell having an analogue phase shifter for a reflectarray antenna |
| CN201584502U (en) * | 2009-11-23 | 2010-09-15 | 江苏捷士通科技股份有限公司 | Radiating element of GSM/CDMA dual-polarized mobile base-station directional antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104174957A (en) * | 2014-08-15 | 2014-12-03 | 惠州市三力实业有限公司 | Automatic welding equipment for antenna oscillator |
| CN104174957B (en) * | 2014-08-15 | 2016-04-20 | 惠州市三力实业有限公司 | A kind of antenna oscillator automatic welding device |
| CN111518391A (en) * | 2020-05-08 | 2020-08-11 | 深圳华力兴新材料股份有限公司 | Polyphenylene sulfide resin composition and preparation method and application thereof |
| CN113102903A (en) * | 2021-03-30 | 2021-07-13 | 安徽博微长安电子有限公司 | Method for manufacturing aluminum alloy antenna oscillator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103367869B (en) | 2016-12-07 |
| WO2013143359A1 (en) | 2013-10-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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