Zhang et al., 2002 - Google Patents
Fabrication of a cantilever structure for piezoelectric microphoneZhang et al., 2002
- Document ID
- 577670899089144142
- Author
- Zhang L
- Ren T
- Liu J
- Liu L
- Li Z
- Publication year
- Publication venue
- Japanese journal of applied physics
External Links
Snippet
In this paper, a novel piezoelectric microphone based on a lead zirconate titanate [Pb (Zr, Ti) O 3, PZT]-coated silicon cantilever is presented. The main structure of the cantilever is composed of the Pt/PZT/Pt/Ti/SiO 2/Si 3 N 4/SiO 2/Si multilayer structure. An optimum …
- 238000004519 manufacturing process 0 title abstract description 13
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H01L41/00—Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L41/22—Processes or apparatus specially adapted for the assembly, manufacture or treatment of piezo-electric or electrostrictive devices or of parts thereof
- H01L41/31—Applying piezo-electric or electrostrictive parts or bodies onto an electrical element or another base
- H01L41/314—Applying piezo-electric or electrostrictive parts or bodies onto an electrical element or another base by depositing piezo-electric or electrostrictive layers, e.g. aerosol or screen printing
- H01L41/316—Applying piezo-electric or electrostrictive parts or bodies onto an electrical element or another base by depositing piezo-electric or electrostrictive layers, e.g. aerosol or screen printing by vapour phase deposition
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H01L41/00—Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L41/08—Piezo-electric or electrostrictive devices
- H01L41/09—Piezo-electric or electrostrictive devices with electrical input and mechanical output, e.g. actuators, vibrators
- H01L41/0926—Piezo-electric or electrostrictive devices with electrical input and mechanical output, e.g. actuators, vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H01L41/00—Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L41/16—Selection of materials
- H01L41/18—Selection of materials for piezo-electric or electrostrictive devices, e.g. bulk piezo-electric crystals
- H01L41/187—Ceramic compositions, i.e. synthetic inorganic polycrystalline compounds incl. epitaxial, quasi-crystalline materials
- H01L41/1875—Lead based oxides
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