1. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 59, NO. 10, OCTOBER 2011 Chairman: Hung-Chi Yang Presenter: Guei-Cheng Wang Adviser: Tsung-Fu Chien Date: 02.22.2012 2015/10/191 Maria Lucia Scarpello, Divya Kurup, Hendrik Rogier, DriesVandeGinste,Fabrice Axisa, Jan Vanfleteren, Wout Joseph, LucMartens and Gunter Vermeeren

2. Outline  Introduction  Purpose & Methods  Materials  Antenna Design Consideration  Results & Discussion  Conclusions  References 2015/10/192

3. Introduction  Present a flexible folded slot dipole implantable antenna operating Implantable Antennas ISM Band SAR  植入天線 (Implantable and Bent Antennas)  工業 科學 醫療 頻帶 (Industrial Scientific Medical band)[ISM Band]  電磁波能量比吸收率 ( Specific Absorption Rate ) [SAR] 2015/10/193

4. Introduction  Antenna Resonant frequency Radiation Pattern ISM Band 2015/10/194

5. Introduction  SAR 2015/10/19 5  電磁波能量比吸收率 ( Specific Absorption Rate ) [SAR]  國際非游離輻射防護協會（ International Commission on Non-Ionizing Radiation Protection (ICNIRP)

6. Purpose & Methods  Wirelessly transferring diagnostic information from an electronic device implanted The implanted antenna can be transmitted wirelessly to the receiving station To make the antenna suitable for implantation The same antenna was reduced in size 2015/10/196

7. Materials 7  Substrate PDMS MSL2450  聚二甲基矽氧烷（ Polydimethylsiloxane ， PDMS )  電磁波能量比吸收率 ( Specific Absorption Rate ) [SAR]  Software CST MICROWAVE STUDIO

8.  Antenna design & Structure Antenna Design Consideration 2015/10/198

9.  Coplanar Waveguide Feed (CPW-Fed) structure Antenna Design Consideration 2015/10/199  共面波導 - Coplanar Waveguide

10.  Measured & Simulated Return Loss 2015/10/1910 Results & Discussion  回波損耗 (Return loos)

11.  Measured & Simulated Return Loss 2015/10/1911 Results & Discussion

12.  Measured & Simulated Return Loss 2015/10/1912

13. Results & Discussion  2-D Radiation Patterns 2015/10/1913 2.45GHZ in the y-z plane 2.45GHZ in the x-y plane,

14. Results & Discussion  SAR 2015/10/1914

15. Conclusions 2015/10/1915  The design, manufacturing, measurement, and sensitivity study of a flexible folded slot dipole antenna embedded in PDMS Design of a slot dipole antenna suited for implantation into the human body Evaluation of the characteristics of the antenna in terms of reflection coefficient in planar and bent state, E-field and gain. Study of the sensitivity of the liquid mimicking the human muscle tissue Checking the SAR limitations, by means of SAR measurements.

16. 2015/10/1916 References  [Online]. Available:http://www.speag.com/measurement/liquids/  C. Gabriel, S. Gabriel, and E. Corthout, “The dielectric properties of biological tissues: I. Literature survey,” Phys. Med. Biol., vol. 41, no. 11, pp. 2231–2249, 1996.  S. Gabriel, R. W. Lau, and C. Gabriel, “The dielectric properties of biological tissues: II. Measurements in the frequency range 10 Hz to 20 GHz,” Phys. Med. Biol., vol. 41, no. 11, pp. 2251–2269, 1996.  C. Gabriel, S. Gabriel, and E. Corthout, “The dielectric properties of biological tissues: III. Parametric models for the dielectric spectrum of tissues,” Phys. Med. Biol., vol. 41, no. 11, pp. 2271–2293, 1996.

17. 2015/10/1917 References  J. A. Von Arx, W. R. Mass, S. T. Mazar, and M. D. Amundson, “Antenna for an Implantable Medic Device,” U.S. Patent 6708065, Mar. 16, 2004.  F.Merli, L.Bolomey, E.Meurville, andA.K. Skrivervik, “Implantable antenna for biomedical applications,” in Proc. IEEE Antennas and Propag. Soc. Int. Symp., San Diego, CA, 2008, pp. 584–587.  W. Xia, K. Saito, M. Takahashi, and K. Ito, “Performances of an implanted cavity slot antenna embedded in the human arm,” IEEE Trans. Antennas Propag., vol. 57, no. 4, pp. 894–899, Apr. 2009.  T. Karacolak, A. Z. Hood, and E. Topsakal, “Design of a dual-band implantable antenna and development of skin imicking gels for continuous glucose monitoring,” IEEE Trans. Microwave Theory Tech.,vol. 56, no. 4, pp. 1001–1008, Apr. 2008.

18. Thank You For Your Attention 2015/10/1918