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Compact inductor with stacked via magnetic cores for integrated circuits

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01F-005/00
출원번호 US-0789893 (2004-02-27)
등록번호 US-7262680 (2007-08-28)
발명자 / 주소
  • Wang,Albert Z. H.
출원인 / 주소
  • Illinois Institute of Technology
대리인 / 주소
    Pauley Petersen & Erickson
인용정보 피인용 횟수 : 48  인용 특허 : 17

초록

An on-chip inductor device for Integrated Circuits utilizes coils on a plurality of metal layers of the IC with electrical connectors between the coils and a magnetic core for the inductor of stacked vias running between the coils. The magnetic core is made from a series of stacked vias which are de

대표청구항

I claim: 1. An IC fabrication-compatible spiral inductor, comprising the inductor having vertically stacked planar coils made from a plurality of spaced conductive layers; the stacked planar coils being electrically connected by coil connectors; a magnetic core disposed at a center of and extending

이 특허에 인용된 특허 (17)

  1. Barber Bradley Paul ; Belk Nathan ; Bishop David J. ; Gammel Peter L., Article comprising an inductor.
  2. Ushiro Tomoaki (Kyoto JPX), Chip-type common mode choke coil.
  3. Lipkes Zeev ; Crownover Joseph W., Core and coil structure and method of making the same.
  4. Brosh Amnon (16 Sunnyside Dr. Montvale NJ 07645), Displacement transducers employing printed coil structures.
  5. Shiga Nobuo (Kanagawa JPX), Inductance element.
  6. Wolfram Kluge DE; Dietmar Eggert DE; Saf Asghar DE, Inductor and transformer formed with multi-layer coil turns fabricated on an integrated circuit substrate.
  7. Burghartz Joachim Norbert ; Edelstein Daniel Charles ; Jahnes Christopher Vincent ; Uzoh Cyprian Emeka, Integrated circuit spiral inductor.
  8. Ahn, Kie Y.; Forbes, Leonard, Low loss high Q inductor.
  9. Clark T.-C. Nguyen, Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device.
  10. Capocelli Piero,ITX ; Zambrano Raffaele,ITX ; Pio Federico,ITX ; Riva Carlo,ITX, Method for realizing magnetic circuits in an integrated circuit.
  11. Abel David A., Multi-layer transformer apparatus and method.
  12. Merrill Richard B. (Daly City CA) Issaq Enayet U. (San Jose CA), Multi-turn, multi-level IC inductor with crossovers.
  13. Ohno Syunichi,JPX ; Yamagishi Masahiko,JPX, Multilayer electronic component and manufacturing method therefor.
  14. Ootani Mitsuaki,JPX, Multilayered electronic part and electronic circuit module including therein the multilayered electronic part.
  15. Wittenbreder Ernest H., Planar stacked layer inductors and transformers.
  16. Kuettner Klaus,DEX ; Hahn Dietmar,DEX ; Flik Gottfried,DEX ; Ohnmacht Markus,DEX, Process for producing microcoils and microtransformers.
  17. Min-Hwa Chi TW; Chia-Shiung Tsai TW; Yeur-Luen Tu TW, Structure of merged vertical capacitor inside spiral conductor for RF and mixed-signal applications.

이 특허를 인용한 특허 (48)

  1. Maxim, George; Leipold, Dirk Robert Walter; Scott, Baker, Advanced 3D inductor structures with confined magnetic field.
  2. Yoon, Chan; Lee, Dong Hwan; Ahn, Young Ghyu, Coil component and board having the same.
  3. Yang, Ju Hwan; Yang, Jin Hyuck; Lee, Jong Yun; Sim, Won Chul, Coil component and method of manufacturing the same.
  4. Chang, Yu Chia; Wang, Cheng Yi; Tai, Shin Min, Common mode filter with multi-spiral layer structure and method of manufacturing the same.
  5. Hughes, Christian T.; Bircsak, Peter Thomas, Compact high short circuit current reactor.
  6. Sato, Keisuke; Saitoh, Sachio, Contactless communication medium, antenna pattern arrangement medium, communication apparatus, and communication method.
  7. Yang, Ping-Lin; Jin, Jun-De; Hsueh, Fu-Lung; Liu, Sa-Lly; Ong, Tong-Chern; Lin, Chun-Jung; Kao, Ya-Chen, Contactless communications using ferromagnetic material.
  8. Yang, Ping-Lin; Jin, Jun-De; Hsueh, Fu-Lung; Liu, Sa-Lly; Ong, Tong-Chern; Lin, Chun-Jung; Kao, Ya-Chen, Contactless communications using ferromagnetic material.
  9. Klein, Philippe, Current sensor.
  10. Taniguchi, Tetsuo, Electronic component.
  11. Sun, Nian-Xiang, Electrostatically tunable magnetoelectric inductors with large inductance tunability.
  12. Song, Young Kyu; Kim, Daeik Daniel; Zhang, Xiaonan; Lane, Ryan David; Kim, Jonghae, Embedded layered inductor.
  13. Hoyt, Joshua K.; Seitz, Forrest S., Enhancing the efficiency of energy transfer to/from passive ID circuits using ferrite cores.
  14. Hoyt, Joshua K.; Seitz, Forrest S., Enhancing the efficiency of energy transfer to/from passive ID circuits using ferrite cores.
  15. Hoyt, Joshua K.; Seitz, Forrest S.; Eduard, Vaynberg, Extending the read range of passive RFID tags.
  16. Hoyt, Joshua K.; Seitz, Forrest S., H-field shaping using a shorting loop.
  17. Hoyt, Joshua K.; Seitz, Forrest S., H-field shaping using a shorting loop.
  18. Leipold, Dirk Robert Walter; Chang, Danny W.; Maxim, George; Bauder, Ruediger, High Q factor inductor structure.
  19. Jacobson, Boris S., High voltage high frequency transformer.
  20. Jacobson, Boris S., High voltage high frequency transformer.
  21. Smeys, Peter; Papou, Andrei, Inductive structure and method of forming the inductive structure with an attached core structure.
  22. Yen, Hsiao-Tsung; Chi, Shyh-An, Inductor assembly and method of using same.
  23. Wei, Chang-Lin; Chin, Kuo-Chiang; Tsai, Cheng-Hua; Shyu, Chin-Sun; Chen, Chang-Sheng, Inductor devices.
  24. Groves, Robert A.; Narayanan, Arvind; Vanukuru, Venkata N. R., Inductor structure having increased inductance density and quality factor.
  25. Bhatkar, Mahesh; Peng, Lulu; Yi, Wanbing; Tan, Juan Boon; England, Luke, Integrated circuits including magnetic core inductors and methods for fabricating the same.
  26. Pagani, Alberto; Girlando, Giovanni, Integrated electronic device with transceiving antenna and magnetic interconnection.
  27. Pagani, Alberto; Girlando, Giovanni, Integrated electronic device with transceiving antenna and magnetic interconnection.
  28. Pagani, Alberto; Girlando, Giovanni, Integrated electronic device with transceiving antenna and magnetic interconnection.
  29. Pagani, Alberto; Girlando, Giovanni, Integrated electronic device with transceiving antenna and magnetic interconnection.
  30. Zillmann, Uwe; Schaefer, Andre; Saraswat, Ruchir; Kamgaing, Telesphor; Fischer, Paul B.; Droege, Guido, Integrated voltage regulators with magnetically enhanced inductors.
  31. Ma, Shaoyu; Zhao, Tianting; Chen, Baoxing, Isolated error amplifier for isolated power supplies.
  32. Pai, Alex H.; Chapman, Stephen A.; Hajimiri, Seyed Ali, Low cost, portable sensor for molecular assays.
  33. Lee, Dok Won; Eissa, Mona; Murphy, Neal Thomas, Magnetic field annealing for integrated fluxgate sensors.
  34. Pagani, Alberto, Magnetic relay device made using MEMS or NEMS technology.
  35. Chang, Shih-Cheng; Lee, Hui-Yu, Method of creating spiral inductor having high Q value.
  36. Sin, Johnny Kin On; Wu, Rongxiang; Hui, Ron Shu Yuen, Monolithic magnetic induction device.
  37. Jacobson, Boris S.; Barnett, Mark P., Planar magnetic structure.
  38. Elian, Klaus; Theuss, Horst; Meyer-Berg, Georg, Semiconductor package with integrated inductor.
  39. Chen, Baoxing, Small size and fully integrated power converter with magnetics on chip.
  40. Chen, Baoxing, Small size and fully integrated power converter with magnetics on chip.
  41. Chen, Baoxing, Small size and fully integrated power converter with magnetics on chip.
  42. Jacobson, Boris S., Stacked power converter assembly.
  43. Jacobson, Boris S.; Bernstein, Steven D., Stacked power converter assembly.
  44. Chen, Baoxing, Step up or step down micro-transformer with tight magnetic coupling.
  45. Ahrens, Carsten; Mackh, Gunther; Pruegl, Klemens, System and method for integrated inductor.
  46. Hsu,Heng Ming; Huang,Kuo Hsun, Three dimensional transformer.
  47. Jung, Woo Kil; Lee, Jung Oh, Wireless power transmitter.
  48. Jung, Woo Kil; Lee, Jung Oh, Wireless power transmitter.
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