Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for manufacturing stratify electronic apparatus

An electronic device, laminated technology, applied in the direction of laminated capacitors, inductors/transformers/magnets, chemical instruments and methods, etc., can solve the problems of harmful effects of conductive particles, low reliability, easy intrusion into plating solutions and fluxes, etc.

Inactive Publication Date: 2005-11-23
MURATA MFG CO LTD
View PDF0 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, once the cross-sectional area ratio is reduced, the solvent will easily invade the plating solution and flux in order to expand the gap, and the components such as ions contained in these substances will have a harmful effect on the conductive particles, resulting in a problem of low reliability.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for manufacturing stratify electronic apparatus
  • Method for manufacturing stratify electronic apparatus
  • Method for manufacturing stratify electronic apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] The inventors of the present invention firstly weighed NiO, CuO, ZnO, Fe 2 o 3 After waiting for the ferrite material, put these weighed objects into a ball mill with PSZ (partially stabilized zirconia) with a diameter of 1 mm as a dispersion medium for wet mixing and grinding to make a slurry powder, and the slurry After the powder was separated from PSZ, it was dried with a spray dryer, and calcined at 650° C. for 2 hours to prepare a calcined product.

[0084] Then, the calcined product is put into the above-mentioned ball mill for fully wet pulverization, dried by a spray drier to make a calcined powder.

[0085]Then add polyvinyl butyral as binder, dibutyl phthalate as plasticizer, ammonium polycarboxylate as dispersant and toluene as solvent to this calcined powder After mixing with ethanol, it is made into a ceramic slurry, and then the slurry is formed into a sheet by a knife coating method, etc., and a magnet sheet (uncalcined ceramic sheet) with a thickness ...

Embodiment 2

[0095] The multilayer inductor of Example 2 was produced in the same manner and procedure as in Example 1, except that the Ag particle content in the conductive paste was 20 volume %, and the resin particle content was 20 volume %.

Embodiment 3

[0097] The multilayer inductor of Example 3 was produced in the same manner and procedure as in Example 1, except that the Ag particle content in the conductive paste was 26 vol % and the resin particle content was 14 vol %.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
compressive strengthaaaaaaaaaa
strengthaaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

Conductive paste is prepared, which contains conductive particles and resin particles having a thermal decomposition-ability, the resin particles having an average particle size which is 0.25 to 1.50 times of the average particle size of the conductive particles, the resin particles being contained in an amount of which the volume ratio based on the amount of the conductive particles is in the range of 0.5 to 1.0. The conductive paste is applied to the surface of a ceramic layer to form a conductor layer. The ceramic layers and the conductor layers are alternately laminated. The laminate is fired to form a ceramic sintered laminate. Thus, a laminated electronic part is produced.

Description

technical field [0001] The present invention relates to a method for manufacturing a laminated electronic device. More specifically, the present invention relates to a laminated body formed by laminating an unsintered ceramic layer and a conductor layer formed from a conductive paste to produce a ceramic sintered body. A method for manufacturing a multilayer electronic device such as an inductor. Background technique [0002] For laminated ceramic electronic devices, a conductive paste (conductive paste) for internal electrodes is usually printed on the surface of a thin unsintered ceramic layer by a screen printing method to form a conductive pattern, and the ceramic sheets with the conductive pattern formed in this way are printed in a predetermined number of sheets. After lamination to form a laminated body, the laminated body is subjected to a firing treatment, and then manufactured by a method of forming external electrodes. [0003] However, in multilayer ceramic elec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/232C04B35/26H01B1/22H01F17/00H01F41/04H01G4/008H01G4/012H01G4/30H05K1/09
CPCH05K1/092C04B2235/3284H01F2017/048H01F17/0013H01G4/012C04B2237/408C04B2235/96C04B2237/704B32B18/00C04B2235/3281B32B2309/022C04B35/62655H01F41/046C04B2235/3279B32B2311/08C04B35/265C04B2237/34H01B1/22H01G4/30C04B35/6264H01G4/008H01F41/00
Inventor 河野上正晴穴太公治
Owner MURATA MFG CO LTD
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com