دکتر سعید افرنگ

مدارک علمی دانشگاهی:

 

 

کارشناسی مهندسی برق(الکترونیک)

کارشناسی ارشد مهندسی برق(الکترونیک با گرایش    MEMS)

دکترای مهندسی برق(نانو الکترونیک و RF-MEMS)  

 

عنوان پایان نامه دکتری:

طراحی و ساخت phase shifter  با استفاده از سویچ های MEMS  و اینداکتور

 

زمینه های تحقیقاتی مورد علاقه :

- نانو الکترونیک ، نانو کربن تیوبها ، نانو وایرها ، گرافن

-RF MEMS  شامل طراحی و ساخت رادار ، شیفتر های فازی ، آنتن، سویچ های RF   ، رزوناتور ها ، فیلتر ، واراکتور  و اینداکتور

- سنسورها شامل شتاب سنج ها و فشار سنج ها در ابعاد نانو و میکرو

 

مقالات ارائه شده در ژورنال های  ISI ، کنفرانس های بین المللی و جشنواره ها:

 

مقالات ارائه شده در ژورنال های  ISI:

 1)       S. Afrang , H. Mobki, M. Sadeghi, G. Rezazadeh "A new MEMS based variable capacitor with wide tunability, high linearity and low actuation voltage", Microelectronics Journal, vol.46  pp.191-197  2015.

2)        H. Mobki, K. Rashvand, S. Afrang, M. H. Sadegh, G. Rezazadeh "Design, simulation and bifurcation analayis of a novel micromachined tunable capacitor with extended tenability", Transactions of the Canadian Societyfor Mechanical Engineering, vol. 38 Issue 1 pp. 15-29 2014

3)        S. Afrang, "Small size and low loss resonator type DMTL phase shifter", Microelectronics Journal, vol.44  pp.442-453  2013.

4)    S. Behnia,  S. Afrang, A. AkhshaniKh. Mabhouti " A novel method for controlling chaos in external cavity semiconductor laser", Optik-International journal for light and electron optics, vol. 8 pp. 757-764  2013.

5)        A. Jafari,  Kh.Mabhouti, S.Afrang,  A.Siahcheshm " Control of instability in a semiconductor laser using a functional pump current generator with a dynamical parameter", Optics & Laser Technology, vol. 44 pp. 1398–1405  2012.

6)       M. Fathalilou M. Sadeghi S. Afrang G. Rezazadeh "Dynamic Characteristics and Vibrational Response of a Capacitive Micro-Phase Shifter", Journal of Solid Mechanics, vol. 3 pp. 74-84  2011.

7)        A. Vahdat, G. Rezazadeh, S.afrang "Improving response of a MEMS capacitive microphone filtering shock noise,"Microelectronics Journal, vol. 42, pp. 614-621May 2011.

8)       H. Mobki, M. Sadeghi, S. Afrang, G. Rezazadeh "on the tunability of a MEMS based variable capacitor with a novel structure" Microsystem Technologies, vol. 17, pp. 1447- 1452, Aug. 2011.

9)         S. Afrang, B. Yeop Majlis "Small size Ka-band distributed MEMS phase shifters using inductors," Progress In Electromagnetics Research (PIERB), vol. 1, pp. 95-113, 2008.

10)          S. Afrang, B. Yeop Majlis "Distributed transmission line phase shifter using MEMS switches and inductors," Microsystem Technologies, vol. 14, pp.1173-1183, Aug. 2008.

11)         S. Afrang, E. Abbaspour-Sani "A low voltage MEMS structure for RF capacitive switches," Progress In Electromagnetics Research (PIER), vol. 65, pp. 157-167, 2006.

         

 

  

  

 

مقالات ارائه شده در کنفرانس های بین المللی:

 

 

 

1)    S. Afrang, E. Abbaspour-Sani "A low voltage capacitive micromachined microwave switch," International Conference on Semiconductor Electronics (ICSE2002), pp. 110-114.

 

2)    S. Afrang, E. Abbaspour-Sani " A low voltage electrostatic torsional micromachined microwave switch," International Conference on Semiconductor Electronics (ICSE2002), pp.100-104.

 

3)       S. Afrang, B. Yeop Majlis " Inductively tuned K-band distributed MEMS phase shifter,"  International Conference on Semiconductor Electronics (ICSE2006), pp. 208-212.

 

4)     S. Afrang, B. Yeop Majlis " A novel Ka-band MEMS phase shifter using inductors and inline MEMS bridges" International Conference on MEMS and nanotechnology (ICMN'06), pp.212-216.

 

5)        B. Yeop Majlis, S. Afrang " Minimized area K band DMTL phase shifter," International Conference on Materials for Advanced Technologies

 

6)      E. Abbaspour-Sani, S. Afrang "A novel method for packaging ofmicromachined pizoresistive pressure sensor," International Conference on Semiconductor Electronics (ICSE2002), pp.141-144.

 

7)         S. Afrang, G. Rezazadeh " Scattering parameters improvement in CPW MEMS shunt switches," International Conference on Semiconductor Electronics (ICSE2004), pp.133-137.

 

8)         S. Afrang, G. Rezazadeh " Design and simulation of simple and varying section cantilever and fixed-fixed end types MEMS switches,"  ," International Conference on Semiconductor Electronics (ICSE2004), pp.593-596.

 

 

 

 

 

جشنواره های بین المللی:

 

Invention title: Decreased area Ka-band MEMS phase shifters using inductors

 

Inventors: S. Afrang, B. Yeop Majlis

 

Exhibition: 18th International Invention, Innovation & Technology Exhibition (ITEX2007)

 

Award: ITEX Silver Medal

 

 

 

 

 

طرحهاي پژوهشي :

 

طراحي و ساخت تراشه هاي فركانس بالاي پسيو MEMS