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Publication of BE681584ApublicationCriticalpatent/BE681584A/xx
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
