Patent SG-11201807944S-A (SG)
Title: Displacement connectors of high bending stiffness and piezoelectric actuators made of such
Inventor: LIM LEONG CHEW
IPC: H01L41/083
Filed: 2016-04-07
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 11M11111011101 1111111111010111110111010111111110101101110111111111110111111 International Bureau ... .... ..Yjd ..... ...,/ (10) International Publication Number (43) International Publication Date WO 2017/176209 Al 12 October 2017(12.10.2017) WIPO I PCT (51) International Patent Classification: (74) Agent: NG, Kim Tean; Nanyang Law LLC, P.O. Box H01L 41/053 (2006.01) HO1L 41/083 (2006.01) 1861, Robinson Road Post Office, Singapore 903711 (SG). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/SG2016/050173 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, 7 April 2016 (07.04.2016) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, (26) Publication Language: English MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, (71) Applicant: MICROFINE MATERIALS TECHNOLO- PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, GIES PTE LTD [SG/SG]; 10 Bukit Batok Crescent, #06- SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 02 The Spire, Singapore 658079 (SG). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (72) Inventors: LIM, Leong Chew; 50 Toh Tuck Road, #03- (84) Designated States (unless otherwise indicated, for every 02, Singapore 596741 (SG). HUANG, Yu; 132 Serangoon kind of regional protection available): ARIPO (BW, GH, Ave 3, #10-07, Singapore 554478 (SG). MA, Yuexue; Blk GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 131 Bedok Reservoir Road, #09-1327, Singapore 470131 TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (SG). LIN, Dian-Hua; 50 Toh Tuck Road, #03-02, Singa- TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, pore 596741 (SG). DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, = [Continued on next page] (54) Title: DISPLACEMENT CONNECTORS OF HIGH BENDING STIFFNESS AND PIEZOELECTRIC ACTUATORS MADE OF SUCH (57) : Disclose displacement connectors of high bending stiffness, high-per- formance piezoelectric actuators and derivative devices made of such. The connector = has circumferentially alternating recess housings which, when fitted with the intended = / •d j 201 piezoelectric active elements makes displacement actuators, approximately double ety (2x), triple (3x) or quadruple (4x) the displacement of individual active elements AIL forces. The B . — r ‘. = WIMP B without adversely jeopardizing their regenerative connector may take any 'r. overall cross-section and length to suit intended applications. Connector recesses can = = SECTION = be configured to house piezoelectric elements of a wide variety of cross-sections and . dimensions, including longitudinal mode stacks, transverse mode bars and/or tubes, A—A single crystal blocks of suitable cut and dimensions and their bonded assemblages. Derivative devices such as high-performance displacement actuators and compact I = 205 — 1 A' . I A I rPINI% 209 Langevin low-frequency underwater projectors, can be made from such connectors. 201 P' , 205 1-1 207 SECTION B—B 01 0 ei .tD IN 1-1 FIG. 5B IN 1-1 0 ei O WO 2017/176209 Al MIDEDIM000101011101010M0111 I11111010101101100110VOIMIE SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Published: GW, KM, ML, MR, NE, SN, TD, TG). — with international search report (Art. 21(3)) Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv))