Influence of moisture contamination of lead-free transparent dielectric slurry for tape casting

Young Jei Oh, Byungkoog Jang, Hyun Oh Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

During the process of milling glass powders of lead-free transparent dielectric materials, moisture contamination from the air affects the properties of the slurry of the green sheet and of the fired films. Several solvents used to gain suitable dispersion stability of the slurry and dispersants, such as ionic and polymeric agents, are studied for optimization of the slurry composition of the green sheet when the raw material is contaminated with moisture. Methyl alcohol as a solvent shows the best dispersion stability in all moistening conditions. Polyethylene glycol, a polymeric dispersant, produces excellent dispersion in all moistening conditions. Moisture in the starting materials does not greatly affect slurry stability, but it has a negative effect on the transparency of the fired dielectric thin films.

Original languageEnglish
Pages (from-to)2357-2360
Number of pages4
JournalMaterials Letters
Volume65
Issue number15-16
DOIs
Publication statusPublished - Aug 1 2011
Externally publishedYes

Fingerprint

moisture
Tapes
tapes
Casting
contamination
Contamination
Moisture
Lead
Wetting
Dielectric films
Powders
Transparency
Polyethylene glycols
Methanol
glycols
polyethylenes
Raw materials
methyl alcohol
Glass
Thin films

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Influence of moisture contamination of lead-free transparent dielectric slurry for tape casting. / Oh, Young Jei; Jang, Byungkoog; Kim, Hyun Oh.

In: Materials Letters, Vol. 65, No. 15-16, 01.08.2011, p. 2357-2360.

Research output: Contribution to journalArticle

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