释义 |
interdigital, a.|ɪntəˈdɪdʒɪtəl| [ad. L. interdigitālis, f. inter + digitus finger.] 1. Situated between, or connecting, digits (fingers or toes).
1836–9Todd Cycl. Anat. II. 519/1 Up to the second or third month of intra-uterine life an interdigital membrane exists. 1874Coues Birds N.W. 645 Anterior toes all long; the interdigital webs broad. 1875H. C. Wood Therap. (1879) 326 The interdigital membrane of the frog. 2. Electronics. Having the form of or consisting of two similar series of parallel strips, those of each series forming part of a single structure and interdigitating with those of the other series: used of a kind of transducer.
1967IEEE Trans. Electron. Devices XIV. 185/2 The operation of an interdigital pattern whose fundamental frequency was 15 MHz has been observed at odd integral multiples up to the seventh on AT-cut quartz. 1968Ibid. XV. 586 (heading) Frequency response of an interdigital transducer for excitation of surface elastic waves. 1972Sci. Amer. Oct. 52/3 In recent years the technology of acoustic waves has expanded rapidly with the development of the interdigital transducer, an efficient type of transducer for converting the electrical signal into an acoustic surface wave and reconverting the acoustic wave back into an electrical signal. |