JPS55163886A - Manufacture of piezoelectric porcelain - Google Patents

Manufacture of piezoelectric porcelain

Info

Publication number
JPS55163886A
JPS55163886A JP7173179A JP7173179A JPS55163886A JP S55163886 A JPS55163886 A JP S55163886A JP 7173179 A JP7173179 A JP 7173179A JP 7173179 A JP7173179 A JP 7173179A JP S55163886 A JPS55163886 A JP S55163886A
Authority
JP
Japan
Prior art keywords
water
pulverizing
porcelain
defoaming
dehydrating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7173179A
Other languages
Japanese (ja)
Inventor
Isamu Inada
Satoshi Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP7173179A priority Critical patent/JPS55163886A/en
Publication of JPS55163886A publication Critical patent/JPS55163886A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/093—Forming inorganic materials
    • H10N30/097—Forming inorganic materials by sintering
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions
    • H10N30/8548—Lead-based oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

PURPOSE:To obtain porcelain used for elastic surface wave element having excellent denseness and uniformity by adding water and binder to temporarily calcined raw material powder, mixing them, pulverizing them, defoaming them, and pressing mud cake thus obtained while dehydrating it. CONSTITUTION:Water and binder are added to temporarily calcined powder obtained in a step 5 of pulverizing it, and large quantity of water is added thereto in a step 10 of adding it. Then, the mixture is mixed and finely pulverized in a step 11 of mixing and pulverizing, defoamed in a step 12 of defoaming it to obtain a cake. It is then pressed to be formed while dehydrating it using a press having a pressing surface formed with porous holes communicating with the water absorbing path in the step 13 of forming it, and executed in a step 9 of primarily calcining it to obtain a porcelain.
JP7173179A 1979-06-07 1979-06-07 Manufacture of piezoelectric porcelain Pending JPS55163886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7173179A JPS55163886A (en) 1979-06-07 1979-06-07 Manufacture of piezoelectric porcelain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7173179A JPS55163886A (en) 1979-06-07 1979-06-07 Manufacture of piezoelectric porcelain

Publications (1)

Publication Number Publication Date
JPS55163886A true JPS55163886A (en) 1980-12-20

Family

ID=13468953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7173179A Pending JPS55163886A (en) 1979-06-07 1979-06-07 Manufacture of piezoelectric porcelain

Country Status (1)

Country Link
JP (1) JPS55163886A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191687A (en) * 1990-09-28 1993-03-09 Caterpillar Inc. Process for making piezoelectric stacks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191687A (en) * 1990-09-28 1993-03-09 Caterpillar Inc. Process for making piezoelectric stacks

Similar Documents

Publication Publication Date Title
JPS56120180A (en) Piezoelectric porcelain
JPS55163886A (en) Manufacture of piezoelectric porcelain
JPS5413409A (en) Method and equipment for producing steel-making pellets using sludge containing oil and iron
ES8702319A1 (en) Production of solid phosphorus pentoxide containing materials for fast-setting cements.
ES289720U (en) Fuel briquette giving improved combustion or draught
EP0340620A3 (en) Process for the fabrication of panel-shaped composite materials
JPS52133098A (en) Production of special carbon material
JPS56155579A (en) Piezoelectric ceramics
SU538882A1 (en) Mass of manufacture of the body of the abrasive tool
JPS5787188A (en) Manufacture of piezoelectric ceramics
JPS57162778A (en) Preparation of coke for iron manufacturing
SU598949A1 (en) Method of preparing charge for pelletizing ore materials
JPS55165578A (en) Alkaline cell
JPS53131991A (en) Method of fabricating granular liquid waste treating material
JPS57125291A (en) Preparation of briquetted coal
JPS575791A (en) Preparation of solid fuel
SU610820A1 (en) Binder
JPS56104716A (en) Preparation of lead titanate
JPS56104719A (en) Polycrystalline ferrite material, and its preparation
JPS561585A (en) Piezoelectric porcelain composition
JPS55149646A (en) Ceramic absorbing plate
JPS57155994A (en) Preparation of methane by fermentation
JPS5351500A (en) Production of powder material for bringing up crystal or yielding sintering mass for compound oxide piezo-electric element
JPS56126990A (en) Piezoelectric porcelain composition
Baldo et al. SEVERAL COMPOSITIONS OF@'-SIALON PHASES USING NATURAL RAW MATERIALS