CN208902843U - Data transmission system, integrated circuit automatic testing equipment and system - Google Patents
Data transmission system, integrated circuit automatic testing equipment and system Download PDFInfo
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- CN208902843U CN208902843U CN201821540237.9U CN201821540237U CN208902843U CN 208902843 U CN208902843 U CN 208902843U CN 201821540237 U CN201821540237 U CN 201821540237U CN 208902843 U CN208902843 U CN 208902843U
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Abstract
The utility model provides a kind of data transmission system, integrated circuit ATE (Automatic Test Equipment, automatic test equipment) and system, is related to technical field of integrated circuits.Data transmission system is applied and integrated circuit automatic testing equipment, the system comprises: data-interface board, Control card and communication cable, the telecommunication circuit for data transmission is provided in the data-interface board, the data-interface board respectively in the Control card, the integrated circuit automatic testing equipment test function board and calculate equipment, it is electrically connected by the communication cable, the Control card is used to control the data transmission in the data transmission system.The utility model embodiment realizes the efficient communication between board included by integrated circuit automatic testing equipment and between integrated circuit automatic testing equipment and calculating equipment, and then ensure the reliability tested chip, the testing efficiency for improving chip, reduces testing cost and technology difficulty.
Description
Technical field
The utility model relates to technical field of integrated circuits, in particular to a kind of data transmission system, integrated circuit ATE
(Automatic Test Equipment, automatic test equipment) and system.
Background technique
With the development of integrated circuit technique, various chip using more and more extensive, and in order to ensure chip
Availability and reliability need to test the chip by integrated circuit automatic testing equipment.
In the prior art, test function board is provided in integrated circuit automatic testing equipment, first interface and second connects
Mouthful.Wherein, test function board is the integrated circuit board with test function, and first interface is for accessing chip to be measured, second
Interface with computer for connecting.It, can be by the test software installed on computer when accessing chip to be measured and computer
Test function board is controlled, and then chip to be measured is tested.But since in the prior art, integrated circuit is automatic
Test equipment may include more than one test function board, lack effective communication mode between each board, to lead
The testing efficiency of cause chip is low, testing cost is higher.
Utility model content
The purpose of this utility model is that in view of the deficiency of the prior art, a kind of data transmission system, collection are provided
At circuit automatic test equipment and system, the testing efficiency of chip is improved, testing cost is reduced.
To achieve the above object, the utility model embodiment the technical solution adopted is as follows:
In a first aspect, the utility model embodiment provides a kind of data transmission system, surveyed automatically applied to integrated circuit
Equipment is tried, the system comprises: data-interface board, Control card and communication cable；
Be provided in the data-interface board for data transmission telecommunication circuit, the data-interface board respectively with
The Control card, the test function board in the integrated circuit automatic testing equipment and calculating equipment, by described logical
Interrogate cable electrical connection；
The Control card is used to control the data transmission in the data transmission system.
Second aspect, the utility model embodiment additionally provide a kind of integrated circuit automatic testing equipment, including first party
Any data transmission system in face.
The third aspect, the utility model embodiment additionally provide a kind of integrated circuit test system, including in second aspect
Integrated circuit automatic testing equipment and calculate equipment, the calculatings equipment controls the integrated circuit automatic testing equipment and transports
Row.
The beneficial effects of the utility model are:
In the utility model embodiment, the data transmission system applied to integrated circuit automatic testing equipment includes data
Interface board, Control card and communication cable.The telecommunication circuit for data transmission is provided in data-interface board, data connect
Oralia card respectively with the test function board in Control card, integrated circuit automatic testing equipment and calculate equipment, by logical
Cable electrical connection is interrogated, so that the hardware condition that communication is able to carry out between each board is provided, and Control card can be to the number
It is controlled according to the data transmission in Transmission system, the data exchange process between each board can be also controlled, to realize
It can be communicated with each other between board in integrated circuit automatic testing equipment.In addition, data-interface board is logical with calculating equipment respectively
Cross communication cable electrical connection, it is ensured that it is also able to carry out efficient communication between integrated circuit automatic testing equipment and calculating equipment,
And then the reliability for ensuring to test chip to be measured.It that is to say, it is automatic that the utility model embodiment realizes integrated circuit
Efficient communication between board included by test equipment and between integrated circuit automatic testing equipment and calculating equipment, into
And ensure the reliability tested chip, the testing efficiency of chip is improved, testing cost and technology difficulty are reduced.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of data transmission system provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another data transmission system provided by the embodiment of the utility model；
Fig. 3 is a kind of structural block diagram of integrated circuit automatic testing equipment provided by the embodiment of the utility model；
Fig. 4 is a kind of structural block diagram of integrated circuit test system provided by the embodiment of the utility model.
Icon: 100- data transmission system；101- data-interface board；1011- telecommunication circuit；The first board of 1012- connects
Mouthful；102- Control card；103- communication cable；The first communication cable of 1031-；200- integrated circuit automatic testing equipment；201-
Test function board；300- calculates equipment.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is please referred to, the utility model provides a kind of data transmission system 100, is applied to integrated circuit automatic testing
Equipment 200, the system comprises: data-interface board 101, Control card 102 and communication cable 103, the data interface board
Card 101 in be provided with for data transmission telecommunication circuit 1011, the data-interface board 101 respectively with the control panel
Card 102, the test function board 201 in the integrated circuit automatic testing equipment 200 and calculating equipment 300, by described
Communication cable 103 is electrically connected, and the Control card 102 is used to control the data transmission in the data transmission system 100.
Due to when testing chip to be measured, it may be necessary to rely on the test function plate of more than one test function
Card 201, therefore, the efficient communication in integrated circuit automatic testing equipment 200 between each board is most important.So in order to true
The efficient communication in integrated circuit automatic testing equipment 200 between board is protected, the reliability of communication is improved, and then improves integrated electricity
Road automatic test equipment 200 and the reliability tested chip to be measured, the utility model embodiment provide a kind of number
According to Transmission system 100.Wherein, the telecommunication circuit 1011 for data transmission is provided in data-interface board 101, and respectively
Test function board 201 with Control card 102 and integrated circuit automatic testing equipment 200, passes through the communication cable
103 electrical connections, to provide the hardware condition for being able to carry out communication between each board；Control card 102 can be to the data
Data transmission in Transmission system 100 is controlled, and the data exchange process between each board can be also controlled, to realize
It can be communicated with each other between board in integrated circuit automatic testing equipment 200, including transmission control instruction or to chip to be measured
The test data etc. of test；In addition, data-interface board 101 is electrically connected with calculating equipment 300 by communication cable 103 respectively,
It ensures integrated circuit automatic testing equipment 200 and calculates and be also able to carry out efficient communication between equipment 300, and then ensure to treat
Survey the reliability that chip is tested.It that is to say, the utility model embodiment realizes 200 institute of integrated circuit automatic testing equipment
Including board between and integrated circuit automatic testing equipment 200 and calculate equipment 300 between efficient communication, and then really
The reliability tested chip has been protected, the testing efficiency of chip has been improved, reduces testing cost and technology difficulty.
It should be noted that a test function board 201 and Control card 102 are only respectively illustrated in Fig. 1, but
It can also include more test function boards 201 (such as more than two) in practical application.It is of course also possible to include more
Control card 102.
Chip to be tested is the chip for needing to be tested by integrated circuit automatic testing equipment 200.
Data-interface board 101 may include integrated circuit board, is provided with and is provided between board and board and meter
Calculate the telecommunication circuit 1011 communicated between equipment 300.
Control card 102 is used for the mistake for transmitting data in data transmission system 100 provided by the embodiment of the utility model
Cheng Jinhang control, for example control output type and output valve that transmission channel is transmitted.
Wherein, transmission channel is to be used for transmission the channel of data, may include 128 transmission channels.Each channel can be with
It is used for transmission digital signal or analog signal.
In addition, output type may include electric current, voltage or square wave etc..
Communication cable 103 is for realizing logical between board or between the other equipment such as board and calculating equipment 300
Letter, the communication cable can carry the channel that data are used for transmission in aforementioned.It can be by communication electricity for example, calculating equipment 300
Cable 103 is to transmitting data to data transmission system 100 or controlling the process of test chip, alternatively, obtaining to core to be measured
The test data etc. that piece is tested.
Calculating equipment 300 may include the equipment such as computer, can answer in the calculating equipment 300 with installation and checkout is relevant
With program, for example, control data transmission system 100 carry out data transmission application program, answer what test data was analyzed
With program, interface protocol application program corresponding with interface included by data transmission system 100 etc..
Optionally, since interface is capable of providing stable connection, for the ease of being electrically connected with board, provide
Reliable and stable communication efficiency, referring to figure 2., the data-interface board 101 are provided with multiple first board interfaces 1012, institute
Stating communication cable 103 includes multiple first communication cables 1031, the multiple first board interface 1012 and the telecommunication circuit
1011 electrical connections, one end of the multiple first communication cable 1031 are respectively connected to the multiple first board interface 1012, separately
One end is electrically connected with the Control card 102 or the test function board 201.
First board interface 1012 is for accessing the boards such as Control card 102 or test function board 201.First board
The type of interface 1012 can match with the first communication cable 1031.
In addition, in another alternative embodiment of the utility model, the first board interface 1012 also may include and control
Pin hole or pad that board 102 or the matched slot of test function board 201 and board pin are correspondingly arranged etc., thus directly
It connects and is connect with Control card 102 or test function board 201.Wherein, slot is easy to disassemble or installs board, favorably in practical survey
Examination process conveniently replaces board, and safeguards to integrated circuit automatic testing equipment 200.Certainly, it is actually answering
In, which can also include the interface of other forms.
Optionally, due to may include multiple boards in integrated circuit automatic testing equipment 200, in order to ensure each board is equal
It can independently be communicated with calculating equipment 300, reduce each board and calculate the possibility for communicating crosstalk between equipment 300, into
One step improves the reliability communicated between integrated circuit automatic testing equipment 200 and calculating equipment 300, the data transmission system
100 further include interchanger, and the data-interface board 101 is provided with multiple second board interfaces, and the communication cable 103 also wraps
Multiple second communication cables, third communication cable are included, the multiple second board interface is electrically connected with the telecommunication circuit 1011,
One end of the multiple second communication cable is respectively connected to the multiple second board interface, and the other end is electrically connected with the interchanger
It connects, the third communication cable is electrically connected with the interchanger and the calculating equipment 300 respectively.
Second board interface is used for access switch, and the type of the second board interface can be with the second communication cable phase
Match.
It should be noted that the second board interface can with it is aforementioned in the first board interface 1012 correspond.
Interchanger is for the signal forwarding in carrying out data transmission.
It optionally, may packet due to calculating the data communicated between equipment 300 and integrated circuit automatic testing equipment 200
Include the instruction for being controlled integrated circuit automatic testing equipment 200, it is also possible to the data such as including current or voltage, institute
To improve the reliability of communication, the communication cable to reduce the possibility for obscuring the data such as instruction and voltage and current
103 include data/address bus and control bus.
Data/address bus is used for transmission the data of non-command type, such as voltage or electric current etc..
Control bus is used for transmission information relevant to instruction, such as the instruction of Control card 102, alternatively, the control
Making sheet card 102 is directed to the feedback of the instruction.
Optionally, the communication cable further includes emulation bus.
Certainly, in practical applications, communication cable 103 can also include other types of bus, alternatively, to same bus
It is multiplexed.
Optionally, since the data transmission capabilities of communication cable 103 are stronger, the communication capacity that can be provided also is got over
By force, therefore, in order to improve the density of transmission channel, improve integrated circuit automatic testing equipment 200 and calculate between equipment 300
The efficiency and reliability of communication, the communication cable 103 include CAT6A (surpassing six classes) or CAT7 (seven classes) twisted pair.
CAT6A twisted pair supports the frequency bandwidth of 500Mhz (megahertz), highest transmission speed to can reach 10Gbps (gigabit
It is per second), there is stronger resistance to crosstalk ability.
CAT7 twisted pair is a kind of Shielded Twisted Pair, and the frequency bandwidth of 600Mhz, highest transmission speed is supported to can reach
10Gbps, and compared with CAT6A twisted pair, there is stronger resistance to crosstalk ability.
It should be noted that communication cable 103 can also include other types of cable, such as CAT6 (six classes) twisted pair
Deng.
Optionally, in order to provide between integrated circuit automatic testing equipment 200 and chip to be measured it is reliable be electrically connected, into
One step improves the reliability that integrated circuit automatic testing equipment 200 tests chip to be measured, and the communication cable 103 wraps
The 4th communication cable is included, the data-interface board 101 is electrically connected with chip to be tested by the 4th communication cable.
Optionally, in order to provide between integrated circuit automatic testing equipment 200 and chip to be measured it is reliable be electrically connected, into
One step improves the reliability that integrated circuit automatic testing equipment 200 tests chip to be measured, the data-interface board
101 are additionally provided with the chip interface being electrically connected with the telecommunication circuit 1011, the 4th communication cable and the data-interface
Board 101 is electrically connected by the chip interface.
Chip interface is the interface for accessing chip to be measured.
In addition, in practical applications, the Control card 102 in the data transmission system 100 can be automatic with integrated circuit
Control card 102 in test equipment 200 integrates, it is of course also possible to be independently arranged.
In the utility model embodiment, the data transmission system applied to integrated circuit automatic testing equipment includes data
Interface board, Control card and communication cable.The telecommunication circuit for data transmission is provided in data-interface board, data connect
Oralia card respectively with the test function board in Control card, integrated circuit automatic testing equipment and calculate equipment, by logical
Cable electrical connection is interrogated, so that the hardware condition that communication is able to carry out between each board is provided, and Control card can be to the number
It is controlled according to the data transmission in Transmission system, the data exchange process between each board can be also controlled, to realize
It can be communicated with each other between board in integrated circuit automatic testing equipment.In addition, data-interface board is logical with calculating equipment respectively
Cross communication cable electrical connection, it is ensured that it is also able to carry out efficient communication between integrated circuit automatic testing equipment and calculating equipment,
And then the reliability for ensuring to test chip to be measured.It that is to say, it is automatic that the utility model embodiment realizes integrated circuit
Efficient communication between board included by test equipment and between integrated circuit automatic testing equipment and calculating equipment, into
And ensure the reliability tested chip, the testing efficiency of chip is improved, testing cost and technology difficulty are reduced.
Referring to figure 3., the utility model provides a kind of integrated circuit automatic testing equipment 200, including aforementioned any
Data transmission system 100.
In the utility model embodiment, integrated circuit automatic testing equipment (ATE) includes data transmission system, and data pass
Defeated system includes data-interface board, Control card and communication cable.It is provided in data-interface board for data transmission
Telecommunication circuit, data-interface board respectively in Control card, integrated circuit automatic testing equipment test function board and
Equipment is calculated, is electrically connected by communication cable, to provide the hardware condition for being able to carry out communication between each board, and is controlled
Board can transmit the data in the data transmission system and control, and can also control the data interaction between each board
Process, so that realizing in integrated circuit automatic testing equipment can communicate with each other between board.In addition, data-interface board is distinguished
It is electrically connected with equipment is calculated by communication cable, it is ensured that also can be between integrated circuit automatic testing equipment and calculating equipment
Row efficient communication, and then the reliability for ensuring to test chip to be measured.It that is to say, the utility model embodiment realizes collection
At having between board included by circuit automatic test equipment and between integrated circuit automatic testing equipment and calculating equipment
Effect communication, and then ensures the reliability tested chip, improves the testing efficiency of chip, reduce testing cost and
Technology difficulty.
Referring to figure 4., the utility model provides a kind of integrated circuit test system, and integrated circuit as the aforementioned is surveyed automatically
It tries equipment 200 and calculates equipment 300, the calculating equipment 300 controls the integrated circuit automatic testing equipment 200 and runs.
In the utility model embodiment, integrated circuit automatic testing equipment includes integrated circuit automatic testing equipment and meter
Calculate equipment.Wherein, integrated circuit automatic testing equipment includes data transmission system, and data transmission system includes data interface board
Card, Control card and communication cable.The telecommunication circuit for data transmission, data-interface board are provided in data-interface board
Respectively with the test function board and calculating equipment in Control card, integrated circuit automatic testing equipment, pass through communication cable
Electrical connection, so that the hardware condition that communication is able to carry out between each board is provided, and Control card can transmit the data
Data transmission in system is controlled, and the data exchange process between each board can be also controlled, to realize integrated electricity
It can be communicated with each other between board in the automatic test equipment of road.In addition, data-interface board passes through communication with calculating equipment respectively
Cable electrical connection, it is ensured that efficient communication is also able to carry out between integrated circuit automatic testing equipment and calculating equipment, and then really
Protect the reliability tested chip to be measured.It that is to say, the utility model embodiment realizes integrated circuit automatic testing and sets
Efficient communication between standby included board and between integrated circuit automatic testing equipment and calculating equipment, and then ensure
The reliability tested chip, improves the testing efficiency of chip, reduces testing cost and technology difficulty.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of data transmission system, which is characterized in that it is applied to integrated circuit automatic testing equipment, the system comprises: number
According to interface board, Control card and communication cable；
Be provided in the data-interface board for data transmission telecommunication circuit, the data-interface board respectively with it is described
Control card, the test function board in the integrated circuit automatic testing equipment and calculating equipment pass through the communication electricity
Cable electrical connection；
The Control card is used to control the data transmission in the data transmission system.
2. data transmission system according to claim 1, which is characterized in that the data-interface board is provided with multiple
One board interface, the communication cable include multiple first communication cables；
The multiple first board interface is electrically connected with the telecommunication circuit；
One end of the multiple first communication cable is respectively connected to the multiple first board interface, the other end and the control panel
Card or test function board electrical connection.
3. data transmission system according to claim 1 or 2, which is characterized in that the system also includes interchangers, described
Data-interface board is provided with multiple second board interfaces, and the communication cable further includes that multiple second communication cables, third are logical
Interrogate cable；
The multiple second board interface is electrically connected with the telecommunication circuit；
One end of the multiple second communication cable is respectively connected to the multiple second board interface, the other end and the interchanger
Electrical connection；
The third communication cable is electrically connected with the interchanger and the calculating equipment respectively.
4. data transmission system according to claim 1, which is characterized in that the communication cable includes data/address bus and control
Bus processed.
5. data transmission system according to claim 4, which is characterized in that the communication cable further includes emulation bus.
6. according to claim 1, data transmission system described in 4 or 5, which is characterized in that the communication cable include CAT6A or
CAT7 twisted pair.
7. data transmission system according to claim 1, which is characterized in that the communication cable includes the 4th communication electricity
Cable, the data-interface board are electrically connected with chip to be tested by the 4th communication cable.
8. data transmission system according to claim 7, which is characterized in that the data-interface board is additionally provided with and institute
The chip interface of telecommunication circuit electrical connection, the 4th communication cable and the data-interface board are stated, is connect by the chip
Mouth electrical connection.
9. a kind of integrated circuit automatic testing equipment, which is characterized in that passed including according to claim 1-8 any data
Defeated system.
10. a kind of integrated circuit test system, which is characterized in that surveyed automatically including integrated circuit according to claim 9
It tries equipment and calculates equipment, the calculating equipment controls the integrated circuit automatic testing equipment operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540237.9U CN208902843U (en) | 2018-09-20 | 2018-09-20 | Data transmission system, integrated circuit automatic testing equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821540237.9U CN208902843U (en) | 2018-09-20 | 2018-09-20 | Data transmission system, integrated circuit automatic testing equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902843U true CN208902843U (en) | 2019-05-24 |
Family
ID=66573051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821540237.9U Active CN208902843U (en) | 2018-09-20 | 2018-09-20 | Data transmission system, integrated circuit automatic testing equipment and system |
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| Country | Link |
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| CN (1) | CN208902843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531252A (en) * | 2019-09-18 | 2019-12-03 | 四川豪威尔信息科技有限公司 | Management system when a kind of integrated circuit test device machine |
| CN110824336A (en) * | 2019-10-10 | 2020-02-21 | 合肥格易集成电路有限公司 | Test system and test method |
-
2018
- 2018-09-20 CN CN201821540237.9U patent/CN208902843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531252A (en) * | 2019-09-18 | 2019-12-03 | 四川豪威尔信息科技有限公司 | Management system when a kind of integrated circuit test device machine |
| CN110824336A (en) * | 2019-10-10 | 2020-02-21 | 合肥格易集成电路有限公司 | Test system and test method |
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Address after: 230601 Tianmen Lake Industrial Park, West of Tianmen Road and South of Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Hefei Yuexin Semiconductor Technology Co.,Ltd. Address before: 100000 Beijing Haidian District, North Third Ring Road, No. 31, Building 5, 515 Patentee before: BEIJING TBSTEST TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Tianmen Lake Industrial Park, West of Tianmen Road and South of Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Hefei Yuexin Semiconductor Technology Co.,Ltd. Address before: 230601 Tianmen Lake Industrial Park, West of Tianmen Road and South of Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: Hefei Yuexin Semiconductor Technology Co.,Ltd. Address after: 230601 Tianmen Lake Industrial Park, West of Tianmen Road and South of Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Yuexin Technology Co.,Ltd. Address before: 230601 Tianmen Lake Industrial Park, West of Tianmen Road and South of Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: Hefei Yuexin Semiconductor Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |