CN205050817U - BGA tin ball vacuum pickup apparatus - Google Patents
BGA tin ball vacuum pickup apparatus Download PDFInfo
- Publication number
- CN205050817U CN205050817U CN201520820309.5U CN201520820309U CN205050817U CN 205050817 U CN205050817 U CN 205050817U CN 201520820309 U CN201520820309 U CN 201520820309U CN 205050817 U CN205050817 U CN 205050817U
- Authority
- CN
- China
- Prior art keywords
- tin ball
- probe
- bga
- bga tin
- cavity
- 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.)
- Expired - Fee Related
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 239000000523 sample Substances 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Landscapes
- Manipulator (AREA)
Abstract
The utility model provides a BGA tin ball vacuum pickup apparatus, including BGA tin ball pickup probe and negative pressure emergence mechanism. The utility model discloses in, accessible BGA tin ball pickup probe picks up the tin ball when the negative pressure takes place mechanism's formation negative pressure, and accessible BGA tin ball picks up to visit to put down and gets the tin ball when the negative pressure takes place mechanism's formation malleation to the efficiency of picking up the tin ball has been improved, simultaneously, utilize the cavity of the body inside of BGA tin ball pickup probe and the absorption passageway that a plurality of probe sections formed to utilize the negative pressure to draw the tin ball through a plurality of probe sections on the probe seat, realized having improved the effect of picking up to the tin ball to the effect of picking up of the different tin ball of diameter through cup jointing a plurality of probe sections that the diameter dwindles gradually simultaneously.
Description
Technical field
The utility model relates to technical field of electronic encapsulation, particularly relates in the chip of BGA package for picking up a kind of BGA tin ball vacuum pick-up device of tin ball.
Background technology
BGA Package (BGA) all needs the tin ball related to very little for diameter to be implanted on the I/O pin of chip back in the production process of BGA device or in the process of overhauling the BGA device damaged.At present, in BGA device rework process, usually adopt web plate to be contacted with I/O pin by tin ball, and by high temperature, tin ball is fixed on I/O pin by the thawing of tin ball.Need workman to be sprinkling upon uniformly on the sieve aperture of web plate by tin ball in the process, just need workman to use tweezers for the sieve aperture not filling out anti-tin ball, tin ball is placed in sieve aperture.Because the I/O pin number of large scale integrated circuit is very many, usually there are thousands of.Manually picked up by tweezers and place tin ball and just become very difficult, and tin ball is very easily from landing tweezers, thus cause the efficiency of manually picking up tin ball very low.
Utility model content
The purpose of this utility model is open a kind of BGA tin ball vacuum pick-up device, in order to improve the efficiency of pickup tin ball, prevents tin ball from dropping and improves the adaptability to the different tin ball of diameter, and realizing the efficient pickup to tin ball.
For achieving the above object, the utility model provides a kind of BGA tin ball vacuum pick-up device, comprises BGA tin ball pickup probe and negative pressure generating mechanism;
Negative pressure generating mechanism comprises motor, the output shaft of described motor is nested with support and flywheel successively, eccentric setting first bar portion on described flywheel, described support connects be spirally connected fixing upper valve body and lower valve body, described upper valve body is formed with cylinder, described first bar portion vertically connects the second bar portion, described second bar portion connects piston, described lower valve body is formed with cylindrical portion and lower chamber, described upper valve body is formed with upper cavity, the diaphragm seal of rigidity is provided with in described upper cavity, described diaphragm seal is formed with the first through hole and the second through hole, described diaphragm seal eccentric setting has a flexible sheet, air communication channel between the described flexible sheet plunger shaft that conducting or closed first through hole and cylinder interior are formed along with piston reciprocating motion in the cylinder, the sidepiece of described lower valve body is formed and connects valve, and the sidepiece of described lower valve body is formed and connects valve,
BGA tin ball pickup probe comprises body, be arranged at the tracheae of body side, be arranged at the probe base of body bottom portion, described probe base is socketed multiple probe segment of reduced diameter, described multiple probe segment forms a continuous print suction passage, connect and fix between described multiple probe segment, described body interior has the cavity of connectivity trachea and probe base, and described suction passage is communicated with cavity; Described tracheae be connected valve and connected by flexible pipe.
In some embodiments, support and cylinder are integral type structure.
In some embodiments, at least one end end face of tracheae is provided with screen pack.
In some embodiments, probe base and body are an entirety.
In some embodiments, cavity is the cavity of cubic shaped.
In some embodiments, cavity is for comprising horizontally disposed first pipeline section, vertically disposed second pipeline section, P bend loss, horizontally disposed 3rd pipeline section, vertically disposed 4th pipeline section; Wherein, described first pipeline section and tracheae through, described 4th pipeline section and probe base through.
In some embodiments, tracheae extends into body interior and is spirally connected fixing with body, is provided with screen pack between described tracheae and the first pipeline section.
In some embodiments, body bottom portion is provided with the door for opening P bend loss.
In some embodiments, body is also provided with the projection upwards protruding out setting.
In some embodiments, body adopts polytetrafluoroethylene to make, and described probe segment is made up of stainless steel.
Compared with prior art, the beneficial effects of the utility model are: in the utility model, when negative pressure generating mechanism forms negative pressure by BGA tin ball pickup probe pickup tin ball, put down by BGA tin ball pickup spy when negative pressure generating mechanism forms malleation and get tin ball, thus improve the efficiency of pickup tin ball; Simultaneously, utilize the suction passage that the cavity of the body interior of BGA tin ball pickup probe and multiple probe segment are formed, and utilize negative pressure absorbing tin ball by the multiple probe segment on probe base, multiple probe segment simultaneously by being socketed reduced diameter achieve the pickup effect to the different tin ball of diameter, improve the pickup effect to tin ball.
Accompanying drawing explanation
Fig. 1 is the stereogram of negative pressure generating mechanism;
Fig. 2 is the cutaway view of negative pressure generating mechanism;
Fig. 3 is the structure for amplifying schematic diagram of upper valve body in negative pressure generating mechanism and lower valve body;
Fig. 4 is BGA tin ball pickup probe stereogram in one embodiment;
Fig. 5 is the axial cutaway view of BGA tin ball pickup probe illustrated in fig. 4;
Fig. 6 is the axial cutaway view of BGA tin ball pickup probe in a kind of variant embodiment in the utility model.
Embodiment
Below in conjunction with each execution mode shown in the drawings, the utility model is described in detail; but should be noted that; these execution modes are not limitation of the utility model; those of ordinary skill in the art are according to these execution mode institute work energy, method or structural equivalent transformations or substitute, and all belong within protection range of the present utility model.
embodiment one:
Please refer to the drawing 1 is to a kind of embodiment of a kind of BGA of the utility model illustrated in fig. 5 tin ball vacuum pick-up device.In the present embodiment, this BGA tin ball vacuum pick-up device, comprises BGA tin ball pickup probe 100 and negative pressure generating mechanism 200.
Concrete, this negative pressure generating mechanism 200 comprises motor 201, the output shaft 211 of this motor 201 is nested with support 208 and flywheel 202, eccentric setting first bar portion 203 on described flywheel 202 successively.Support 208 connects the upper valve body 206 and lower valve body 207 being spirally connected fixing.Upper valve body 206 realizes reliable connection with lower valve body 207 by four plastic bolts 2072.Preferably, this motor 201 can select DC servo motor, also DC stepper motor can be selected, and be more preferably DC servo motor, DC servo motor can be connected with dsp chip (DigitalSignalProcessing) simultaneously, thus by dsp chip the formation performed an action done by DC servo motor, time made and judge and calculate accurately, improve the settling time of negative pressure and the accuracy of force value and controllability that this negative pressure generating mechanism 200 is formed.
In the present embodiment, this upper valve body 206 is formed with cylinder 205, and described first bar portion 203 vertically connects the second bar portion 204, and described second bar portion 204 connects piston 214, described lower valve body 207 is formed with cylindrical portion 227 and lower chamber 237, and described upper valve body 206 is formed with upper cavity 266.Be provided with the diaphragm seal 216 of rigidity in this upper cavity 266, described diaphragm seal 216 is formed with the first through hole 246 and the second through hole 236.Concrete, sealing sheet 216 is the diaphragm seal of rigidity, and can select the plastics that phenolic resin-made becomes, and also can adopt the plastics be made up of polyvinyl chloride.
Concrete, in the present embodiment, sealing sheet 216 and flexible sheet 226 are only arranged in upper cavity 266, and all keep the distance of 1 to 2mm with the bottom of lower chamber 237, thus the air be conducive in passage 217 can by the first through hole 246 and the second through hole 236.
Air communication channel between flexible sheet 226 plunger shaft 215 that conducting or closed first through hole 246 and cylinder 205 inside are formed along with the reciprocating motion of piston 214 in cylinder 205.The sidepiece of this lower valve body 207 is formed and connects valve 2071.The sidepiece of lower valve body 207 is formed and connects valve 2071.
In the present embodiment, this flexible sheet 226 is airtight, and can select rubber or the plastic film made by thermoplastic polyester elastomer (TPEE) body, and is more preferably the plastic film made by thermoplastic polyester elastomer.
Concrete, motor 201 rotates, and output shaft 211 flywheel driven 202 of motor rotates, and support 208 maintains static.Flywheel 202 drives the first bar portion 203 to rotate around output shaft 211, thus the second bar portion 204 of drive and be arranged at piston 214 longitudinal reciprocating motion in cylinder 205 of the second bar portion 204 end.
When piston 214 moves upward, in cylinder 205, form negative pressure in cavity 215.Now, flexible sheet 226 moves upward under the effect of negative pressure.Area due to flexible sheet 226 is greater than the area of the third through-hole 247 formed by cylindrical portion 227, and diameter is also greater than the diameter of the third through-hole 247 formed by cylindrical portion 227, thus when flexible sheet 226 moves upward, by this flexible sheet 226, the air communication channel in first through hole 246 and cylinder 205 between cavity 215 is blocked.Now, a small amount of gas can be drawn from the second through hole 236.Thus, in passage 217, certain negative pressure is formed.
The sidepiece of this lower valve body 207 is formed and connects valve 2071.The exit of passage 217 is formed with this valve 2071, and valve 2071 is connected with the tracheae 11 of BGA tin ball pickup probe 100 by flexible pipe (such as rubber tube), and under the effect of negative pressure, picks up tin ball by this BGA tin ball pickup probe 100.
When piston 214 moves downward, flexible sheet 226 moves downward, and cover the third through-hole 247 that cylindrical portion 227 formed completely, thus between plunger shaft 215 and columniform air flue 217, set up air circulation by the first through hole 246 and the second through hole 236 lead to.Now, can be flowed in columniform air flue 217 from the first through hole 246 and the second through hole 236 by the gas compressed, valve 2071 by flexible pipe by air-flow by BGA tin ball pickup probe 100 to providing malleation, thus the tin ball picked up when negative pressure by BGA tin ball pickup probe 100 realizes coming off.
In the present embodiment, this support 208 is integral type structure with cylinder 205.Concrete, support 208, cylinder 205, piston 214, upper valve body 206 and lower valve body 207 can adopt polytetrafluoroethylene to make, and polyvinyl chloride also can be adopted to make.
Meanwhile, this BGA tin ball pickup probe 100 comprises body 10, is arranged at the tracheae 11 of body 10 sidepiece, is arranged at the probe base 12 bottom body 10.This probe base 12 is socketed multiple probe segment 16 of reduced diameter, described multiple probe segment 16 forms a continuous print suction passage 13, connect and fix between described multiple probe segment 16, described body 10 inside has the cavity 14 of connectivity trachea 11 and probe base 12, and described suction passage 13 is communicated with cavity 14.
Concrete, as shown in Figure 4, in the present embodiment, this probe segment 16 comprises the probe 161, probe 162, probe 163 and the probe 164 that are mutually socketed, the circular cylindrical cavity diameter of its middle probe 161 inside is 0.8mm, the circular cylindrical cavity diameter of probe 162 inside is 0.6mm, and the circular cylindrical cavity diameter of probe 163 inside is 0.4mm, and the circular cylindrical cavity diameter of probe 162 inside is 0.2mm.
The circular cylindrical cavity of probe 161, probe 162, probe 163 and probe 164 inside is formed jointly has step-like and continuous print suction passage 13.Probe 161, probe 162, probe 163 and the movable dismounting of probe 164, and can adopt respectively and to be spirally connected or the mode of clamping connects, to adapt to the tin ball of different-diameter, thus improve this BGA tin ball pickup probe to the adaptability of the different tin ball of diameter when pick-up operation.
In pick-up operation process, tin cream or other impurity is had to be drawn for preventing this BGA tin ball pickup probe, in the present embodiment, screen pack 111 can be provided with at least one end end face of tracheae 11, and be specially between tracheae 11 and the first pipeline section 141 and be provided with screen pack 111.Screen pack 111 adopts stainless (steel) wire, and aperture is 0.1mm.
This tracheae 11 extends into body 10 inside and is spirally connected fixing with body 10, and this tracheae 11 also can adopt the mode of interference fits to connect and fix with body 10 certainly.In the present embodiment, this probe base 12 and body 10 are an entirety.Cavity 14 is for comprising horizontally disposed first pipeline section 141, vertically disposed second pipeline section 142, P bend loss 143, horizontally disposed 3rd pipeline section 144, vertically disposed 4th pipeline section 145.
Wherein, described first pipeline section 141 is through with tracheae 11, and described 4th pipeline section 145 is through with probe base 12.The door 146 for opening P bend loss 143 is provided with bottom body 10.When depositing in P bend loss 143 under gravity after impurity is inhaled into suction passage 13.Therefore, door 146 can regularly be opened to clear up the impurity be deposited in P bend loss 143.Meanwhile, this body 10 is also provided with the projection 15 upwards protruding out setting.In this projection 15, through hole (not shown) can be set, and by through hole, this BGA tin ball pickup probe and three axle servomechanisms be used in conjunction with each other.
Preferably, this body 1 adopts polytetrafluoroethylene to make, and described probe segment is made up of stainless steel.The wall degree of probe 161 is greater than the wall thickness of probe 162, and the wall thickness of probe 162 is greater than the wall thickness of probe 163, and the wall thickness of probe 163 is greater than the wall thickness of probe 164.
embodiment two:
Please refer to the drawing 1 to Fig. 3 and a kind of BGA tin of the utility model illustrated in fig. 6 ball vacuum pick-up device second in embodiment.The main distinction of the present embodiment and embodiment one is, in the present embodiment, this cavity 14 is the cavity of cubic shaped.Meanwhile, tracheae 11 and body 10 are integral type structure, and one end end face in the passage 112 of tracheae 11 inside sets up the screen pack 111 of all standing passage 112.The other technologies scheme of the present embodiment is identical with embodiment one, please join described in embodiment one, not repeat them here.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection range of the present utility model.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (10)
1. a BGA tin ball vacuum pick-up device, is characterized in that, comprises BGA tin ball pickup probe (100) and negative pressure generating mechanism (200);
Described negative pressure generating mechanism (200) comprises motor (201), the output shaft (211) of described motor is nested with support (208) and flywheel (202) successively, the upper eccentric setting first bar portion (203) of described flywheel (202), described support (208) connects the upper valve body (206) and lower valve body (207) being spirally connected fixing, described upper valve body (206) is formed with cylinder (205), described first bar portion (203) vertically connects the second bar portion (204), described second bar portion (204) connects piston (214), described lower valve body (207) is formed with cylindrical portion (227) and lower chamber (237), described upper valve body (206) is formed with upper cavity (266), the diaphragm seal (216) of rigidity is provided with in described upper cavity (266), described diaphragm seal (216) is formed with the first through hole (246) and the second through hole (236), described diaphragm seal (216) eccentric setting has a flexible sheet (226), described flexible sheet (226) is conducting or the air communication channel between closed first through hole (246) with the inner plunger shaft (215) formed of cylinder (205) along with the reciprocating motion of piston (214) in cylinder (205), the sidepiece of described lower valve body (207) is formed and connects valve (2071), and the sidepiece of described lower valve body is formed and connects valve (2071),
Described BGA tin ball pickup probe (100) comprises body (10), be arranged at the tracheae (11) of body side, be arranged at the probe base (12) of body bottom portion, multiple probe segment of described probe base (12) upper socket reduced diameter, described multiple probe segment forms a continuous print suction passage (13), connect and fix between described multiple probe segment, described body (10) inside has the cavity (14) of connectivity trachea (11) and probe base (12), and described suction passage (13) is communicated with cavity (14); Described tracheae (11) be connected valve (2071) and connected by flexible pipe.
2. BGA tin ball vacuum pick-up device according to claim 1, is characterized in that, described support (208) and cylinder (205) are integral type structure.
3. BGA tin ball vacuum pick-up device according to claim 1, is characterized in that, at least one end end face of described tracheae (11) is provided with screen pack (111).
4. BGA tin ball vacuum pick-up device according to any one of claim 1 to 3, is characterized in that, described probe base (12) and body (10) are an entirety.
5. BGA tin ball vacuum pick-up device according to claim 4, is characterized in that, the cavity that described cavity (14) is cubic shaped.
6. BGA tin ball vacuum pick-up device according to claim 4, it is characterized in that, described cavity (14) is for comprising horizontally disposed first pipeline section (141), vertically disposed second pipeline section (142), P bend loss (143), horizontally disposed 3rd pipeline section (144), vertically disposed 4th pipeline section (145); Wherein, described first pipeline section (141) is through with tracheae (11), and described 4th pipeline section (145) is through with probe base (12).
7. BGA tin ball vacuum pick-up device according to claim 6, it is characterized in that, described tracheae (11) extends into body (10) inside and is spirally connected fixing with body (10), is provided with screen pack (111) between described tracheae (11) and the first pipeline section (141).
8. BGA tin ball vacuum pick-up device according to claim 6, is characterized in that, described body (10) bottom is provided with the door (146) for opening P bend loss (143).
9. BGA tin ball vacuum pick-up device according to claim 4, is characterized in that, described body (10) is also provided with the projection (15) upwards protruding out setting.
10. BGA tin ball vacuum pick-up device according to claim 4, is characterized in that, described body (1) adopts polytetrafluoroethylene to make, and described probe segment is made up of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820309.5U CN205050817U (en) | 2015-10-21 | 2015-10-21 | BGA tin ball vacuum pickup apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820309.5U CN205050817U (en) | 2015-10-21 | 2015-10-21 | BGA tin ball vacuum pickup apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050817U true CN205050817U (en) | 2016-02-24 |
Family
ID=55344365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820309.5U Expired - Fee Related CN205050817U (en) | 2015-10-21 | 2015-10-21 | BGA tin ball vacuum pickup apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092472A1 (en) * | 2020-11-27 | 2023-06-01 | 东莞市鸿骐电子科技有限公司 | Single-nozzle spray head for laser welding |
-
2015
- 2015-10-21 CN CN201520820309.5U patent/CN205050817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092472A1 (en) * | 2020-11-27 | 2023-06-01 | 东莞市鸿骐电子科技有限公司 | Single-nozzle spray head for laser welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: BGA tin ball vacuum pickup apparatus Effective date of registration: 20170313 Granted publication date: 20160224 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI ANOSI TELECOM TECHNOLOGIES Co.,Ltd. Registration number: 2017990000184 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170330 Address after: 100142 Beijing, Haidian District North Road, building No. 45, a layer of floor, No. 14 Patentee after: Beijing Anoxin Technology Co.,Ltd. Address before: 214000 Jiangsu Province, Wuxi City Linghu Wuxi national hi tech Industrial Development Zone, Road No. 200 Chinese Sensor Network International Innovation Park building G7 layer Patentee before: WUXI ANOSI TELECOM TECHNOLOGIES Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 |