CN102156898A - Chip with information identification and preparation method of chip - Google Patents
Chip with information identification and preparation method of chip Download PDFInfo
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- CN102156898A CN102156898A CN2011100868561A CN201110086856A CN102156898A CN 102156898 A CN102156898 A CN 102156898A CN 2011100868561 A CN2011100868561 A CN 2011100868561A CN 201110086856 A CN201110086856 A CN 201110086856A CN 102156898 A CN102156898 A CN 102156898A
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002989 correction material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The invention provides a chip with information identification, wherein the chip comprises a label circuit, a chip antenna, a chip core and a pad ring; the label circuit comprises a radio frequency analogue circuit, a digital circuit module and a memory; the chip antenna is connected to the radio frequency analogue circuit, the radio frequency analogue circuit is connected to the digital circuit module, the digital circuit module is connected to the memory, the chip core is arranged on the centre of the pad ring and is connected to the pad of the pad ring; the preparation method comprises the following steps of: forming a FRID (Radio Frequency Identification) label circuit into a module which is the same with the width of the chip pad, then directly placing the layout of a FRID module in the position of the chip pad, placing a FRID chip antenna inside or outside the pad ring in the chip layout, and then making plate and processing to produce a chip with embedded electric identification information, wherein the identification information in the chip is written into or read from the chip through a card reader. The chip with information identification and the preparation method of the chip have the advantages that the reliability for the method of embedding the identification information of the chip is high, the cost is prevented from increasing, and the chip has great application values in anti-fake, management and identification field of the chip.
Description
Technical field
The invention belongs to RFID recognition technology field, be specifically related to a kind of chip and preparation method thereof with message identification.
Background technology
The identification information of chip mainly comprises the model of chip, function, technical parameter, design producer, batch etc., the identification information of traditional die mainly concentrates on three places on the market, above the chip external packing, on the encapsulation shell of chip and the last logo of chip core, the identification information of chip external packing is easily imitated, and is difficult for permanent the preservation; The identification information of Chip Packaging shell and kernel can pass through chip literal correction fluid, means such as polishing are wiped, be easy to identify again, this brings opportunity for the chip fake producer, cpu chip on the market, video card chip etc. is adulterated, fill newly with old, the phenomenon of mixing the spurious with the genuine happens occasionally, and is no lack of some mechanism and the company chip with others' design simultaneously, polish off and change sign, exchange relevant benefit for this, in addition, the traditional die identification method adopts literal or graphical sign, quantity of information is few, and inconvenient intelligent management.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of chip and preparation method thereof with message identification, can utilize read write line that the identification information of chip is judged, the method reliability height that chip identification information embeds, identification information can't be copied and wipe, and provides convenient for the management and the circulation of chip.
In order to achieve the above object, the technical scheme taked of the present invention is:
A kind of chip with message identification, chip 1 comprises tag circuit 2, on-chip antenna 4, chip core 8 and pad ring 3, tag circuit 2 comprises radio frequency analog circuit 5, digital circuit blocks 6 and storer 7, on-chip antenna 4 links to each other with the rf inputs mouth of radio frequency analog circuit 5, the baseband signal port of radio frequency analog circuit 5 links to each other with digital circuit blocks 6 input ports, the output port of digital circuit blocks 6 links to each other with storer 7 corresponding ports, chip core 8 places chip bonding pad ring center, and its input/output port is connected with pad on the pad ring 3.
Described storer 7 comprises ROM (read-only memory) or nonvolatile memory.
Described tag circuit 2 is a passive label, arbitrary frequency range or the compatibility of frequency of operation in low frequency, high frequency 13.56MHz, ultrahigh frequency 860MHz~960MHz and microwave 2.45GHz, 5GHz.
Described on-chip antenna 4 adopts the periphery of tours antenna layout at the chip bonding pad outside or chip core circuit.
Described tag circuit 2 layouts occupy one or more pad locations on the chip bonding pad ring.
A kind of chip production method with message identification may further comprise the steps:
A, RFID tag circuit 2 is made the module identical with the chip bonding pad width,
B, carry out laying out pattern when planning, directly RFID module domain placed the chip bonding pad position at chip to be identified 1,
C, RFID on-chip antenna 4 is placed in pad ring 3 inboards or the outside in chip layout,
D, will have an electronic tag chip through plate-making processing, produce the chip that embeds electronic mark information, utilize card reader to write or read identification information in the chip during use.
It is in order not influence the layout of original chip core circuit layout that the label domain is placed on the chip layout pad locations, can not increase the entire area of chip, thereby the cost of chip can not increase, this method for designing has versatility to the integrated electronic tag of different chips simultaneously, after can in a kind of integrated circuit fabrication process, designing electronic tag circuit and domain, directly call in different batches chip design as library unit, integrated electronic tag storage chip relevant information in the chip, be difficult for copying and wiping, can preserve for a long time, simultaneously can identify more chip information, so false proof at chip, there is very big using value in management identification field.
Description of drawings
Fig. 1 is the structural drawing of chip of the present invention
Fig. 2 is the structural representation of chip tag circuit 2 of the present invention.
Fig. 3 is the principle of work synoptic diagram of chip identification information Recognition of the present invention.
Fig. 4 adopts the synoptic diagram of folded antenna for chip on-chip antenna 4 of the present invention.
Fig. 5 is placed on the synoptic diagram that regular individual pen loop antenna is adopted in the pad outside for chip on-chip antenna 4 of the present invention.
Fig. 6 is placed on the inboard synoptic diagram that adopts regular individual pen loop antenna of pad for chip on-chip antenna 4 of the present invention.
Fig. 7 adopts the synoptic diagram of multi-turn loop antenna for chip on-chip antenna 4 of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
See figures.1.and.2, a kind of chip with message identification, chip 1 comprises tag circuit 2, on-chip antenna 4, chip core 8 and pad ring 3, tag circuit 2 comprises radio frequency analog circuit 5, digital circuit blocks 6 and storer 7, on-chip antenna 4 links to each other with the rf inputs mouth of radio frequency analog circuit 5, the baseband signal port of radio frequency analog circuit 5 links to each other with the input port of digital circuit blocks 6, the output port of digital circuit blocks 6 links to each other with storer 7 corresponding ports, chip core 8 places chip bonding pad ring center, and its input/output port is connected with pad on the pad ring 3.
Described storer 7 comprises ROM (read-only memory) or nonvolatile memory, and the identification information storage of chip is in storer 7.
Described tag circuit 2 is a passive label, arbitrary frequency range or the compatibility of frequency of operation in low frequency, high frequency 13.56MHz, ultrahigh frequency 860MHz~960MHz and microwave 2.45GHz, 5GHz.
Described on-chip antenna 4 adopts the periphery of tours antenna layout at the chip bonding pad outside or chip core circuit, and with reference to Fig. 4, on-chip antenna 4 is folded antennas; With reference to Fig. 5, on-chip antenna 4 is placed on the pad outside and adopts regular individual pen loop antenna; With reference to Fig. 6, on-chip antenna 4 is placed on the regular individual pen loop antenna of the inboard employing of pad; With reference to Fig. 7, on-chip antenna 4 adopts the multi-turn loop antenna.
Described tag circuit 2 layouts occupy one or more pad locations on the chip bonding pad ring.
The principle of work of this chip is:
With reference to Fig. 3, the chip identification information stores is in storer 7, when reading chip identification information, read write line 9 sends the radiofrequency signal 10 of carrying information, on-chip antenna 4 is coupled to energy and signal extracts operating voltage and base band order through the radio frequency analog circuit 5 of tag circuit 2, operating voltage is supplied with tag circuit 2 work, digital circuit blocks 6 decoding processing are delivered in the base band order, if be judged as reading order, digital circuit blocks 6 reads chip identification information from storer 7, deliver to radio frequency analog circuit 5 behind the coding, send, thereby read write line 9 obtains the relevant identification information 11 of chip that label returns through on-chip antenna 4.
A kind of chip production method with message identification may further comprise the steps:
A, RFID tag circuit 2 is made the module identical with the chip bonding pad width,
B, carry out laying out pattern when planning, directly RFID module domain placed the chip bonding pad position at chip to be identified 1,
C, RFID on-chip antenna 4 is placed in pad ring 3 inboards or the outside in chip layout,
D, will have an electronic tag chip through plate-making processing, produce the chip that embeds electronic mark information, utilize card reader 9 to write or read identification information in the chip during use.
Claims (10)
1. chip with message identification, it is characterized in that: chip (1) comprises tag circuit (2), on-chip antenna (4), chip core (8) and pad ring (3), tag circuit (2) comprises radio frequency analog circuit (5), digital circuit blocks (6) and storer (7), on-chip antenna (4) links to each other with the rf inputs mouth of radio frequency analog circuit (5), the baseband signal port of radio frequency analog circuit (5) links to each other with the input port of digital circuit blocks (6), the output port of digital circuit blocks (6) links to each other with the corresponding port of storer (7), chip core (8) places chip bonding pad ring center, and its input/output port is connected with pad on the pad ring (3).
2. a kind of chip with message identification according to claim 1 is characterized in that: described storer (7) comprises ROM (read-only memory) or nonvolatile memory.
3. a kind of chip according to claim 1 with message identification, it is characterized in that: described tag circuit (2) is a passive label, arbitrary frequency range or the compatibility of frequency of operation in low frequency, high frequency 13.56MHz, ultrahigh frequency 860MHz~960MHz and microwave 2.45GHz, 5GHz.
4. a kind of chip with message identification according to claim 1 is characterized in that: described on-chip antenna (4) adopts the periphery of tours antenna layout at the chip bonding pad outside or chip core circuit.
5. according to claim 1 or 4 described a kind of chips with message identification, it is characterized in that: described on-chip antenna (4) is a folded antenna.
6. according to claim 1 or 4 described a kind of chips with message identification, it is characterized in that: described on-chip antenna (4) is placed on the pad outside and adopts regular individual pen loop antenna.
7. according to claim 1 or 4 described a kind of chips with message identification, it is characterized in that: described on-chip antenna (4) is placed on the regular individual pen loop antenna of the inboard employing of pad.
8. according to claim 1 or 4 described a kind of chips with message identification, it is characterized in that: described on-chip antenna (4) adopts the multi-turn loop antenna.
9. a kind of chip with message identification according to claim 1 is characterized in that: described tag circuit (2) layout occupies one or more pad locations on the chip bonding pad ring.
10. the chip production method with message identification is characterized in that, may further comprise the steps:
A, RFID tag circuit (2) is made the module identical with the chip bonding pad width,
B, carry out laying out pattern when planning, directly RFID module domain placed the chip bonding pad position at chip to be identified (1),
C, RFID on-chip antenna (4) is placed in pad ring (3) inboard or the outside in chip layout,
D, will have an electronic tag chip through plate-making processing, produce the chip that embeds electronic mark information, utilize card reader to write or read identification information in the chip during use.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110086856 CN102156898B (en) | 2011-04-07 | 2011-04-07 | Chip with information identification and preparation method of chip |
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CN 201110086856 CN102156898B (en) | 2011-04-07 | 2011-04-07 | Chip with information identification and preparation method of chip |
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CN102156898A true CN102156898A (en) | 2011-08-17 |
CN102156898B CN102156898B (en) | 2013-09-04 |
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CN 201110086856 Expired - Fee Related CN102156898B (en) | 2011-04-07 | 2011-04-07 | Chip with information identification and preparation method of chip |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103034889A (en) * | 2011-09-29 | 2013-04-10 | 智慧光科技股份有限公司 | Method for processing multiple antennae on electronic card |
CN105630541A (en) * | 2015-12-18 | 2016-06-01 | 杭州士兰微电子股份有限公司 | Programmer and programming method thereof |
CN105676106A (en) * | 2015-12-31 | 2016-06-15 | 东信和平科技股份有限公司 | Non-contact intelligent card chip model automatic detection system and method |
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CN1523660A (en) * | 2003-02-17 | 2004-08-25 | 上海芯华微电子有限公司 | Bidirectional technique system of integrated circuit design |
CN1525561A (en) * | 2003-08-29 | 2004-09-01 | 北京中星微电子有限公司 | Chip having input and output terminal configurable function and method thereof |
US20060145816A1 (en) * | 2004-09-27 | 2006-07-06 | Werner Koele | Identification data storage medium and method |
CN101201905A (en) * | 2007-12-21 | 2008-06-18 | 合肥工大高科信息技术有限责任公司 | Low-power consumption active anticollision electronic label and operation method thereof |
CN201249952Y (en) * | 2008-07-07 | 2009-06-03 | 刘彩凤 | Cigarette box with passive RFID intelligent electronic label |
KR20090117434A (en) * | 2008-05-09 | 2009-11-12 | 씨제이 지엘에스 주식회사 | Radio frequency identification tag |
CN101964074A (en) * | 2010-09-29 | 2011-02-02 | 上海中科国嘉技术转移有限公司 | Radio-frequency electronic identifier and radio-frequency identification system and realization method thereof |
CN101996341A (en) * | 2009-08-19 | 2011-03-30 | 三星电机株式会社 | Radio frequency identification tag, method and mould for manufacturing the same |
-
2011
- 2011-04-07 CN CN 201110086856 patent/CN102156898B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1523660A (en) * | 2003-02-17 | 2004-08-25 | 上海芯华微电子有限公司 | Bidirectional technique system of integrated circuit design |
CN1525561A (en) * | 2003-08-29 | 2004-09-01 | 北京中星微电子有限公司 | Chip having input and output terminal configurable function and method thereof |
US20060145816A1 (en) * | 2004-09-27 | 2006-07-06 | Werner Koele | Identification data storage medium and method |
CN101201905A (en) * | 2007-12-21 | 2008-06-18 | 合肥工大高科信息技术有限责任公司 | Low-power consumption active anticollision electronic label and operation method thereof |
KR20090117434A (en) * | 2008-05-09 | 2009-11-12 | 씨제이 지엘에스 주식회사 | Radio frequency identification tag |
CN201249952Y (en) * | 2008-07-07 | 2009-06-03 | 刘彩凤 | Cigarette box with passive RFID intelligent electronic label |
CN101996341A (en) * | 2009-08-19 | 2011-03-30 | 三星电机株式会社 | Radio frequency identification tag, method and mould for manufacturing the same |
CN101964074A (en) * | 2010-09-29 | 2011-02-02 | 上海中科国嘉技术转移有限公司 | Radio-frequency electronic identifier and radio-frequency identification system and realization method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103034889A (en) * | 2011-09-29 | 2013-04-10 | 智慧光科技股份有限公司 | Method for processing multiple antennae on electronic card |
CN105630541A (en) * | 2015-12-18 | 2016-06-01 | 杭州士兰微电子股份有限公司 | Programmer and programming method thereof |
CN105676106A (en) * | 2015-12-31 | 2016-06-15 | 东信和平科技股份有限公司 | Non-contact intelligent card chip model automatic detection system and method |
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Application publication date: 20110817 Assignee: YANGZHOU DAOYUAN MICROELECTRONICS Co.,Ltd. Assignor: Tsinghua University Contract record no.: 2015990000404 Denomination of invention: Chip with information identification and preparation method of chip Granted publication date: 20130904 License type: Common License Record date: 20150602 |
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