A new photoresist based on hyperbranched poly(arylene ether phosphine oxide)

Insik In, Hyosan Lee, Tsuyohiko Fujigaya, Masaki Okazaki, Mitsuru Ueda, Sang Youl Kim

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Hydroxy-terminated hyperbranched poly(arylene ether phosphine oxide) (P2) was synthesized via nucleophilic aromatic substitution reaction of AB2 monomer, bis(4-hydroxyphenyl)-4′-fluorophenylphosphine oxide with K2CO3 as a base in NMP. The obtained polymer was dissolved well in NMP and DMSO, and casting of the solution gave a transparent film. The study on dissolution behavior of the film containing 10 wt% of diphenyliodonium-9,10-dimethoxyanthracene-2-sulfonate (DIAS) as a photoacid generator and 25 wt% of 4,4′-methylenebis-[2,6-bis(hydroxymethylphenyl) phenol] (MBHP) as a cross linker revealed that 0.5 wt% aqueous tetramthylammonium hydroxide (TMAH) solution was a suitable developer for this negative-type photoresist system. The photoresist system containing 10 wt% of DIAS and 25 wt% of MBHP showed the sensitivity of 9 mJ/cm2 and the contrast of 1.6 when it was exposed to 365 nm light and postbaked at 120°C, followed by developing with 0.5 wt% aqueous TMAH solution at room temperature. The heat-treated (300°C, 30 min) negative image did not show any distortion.

Original languageEnglish
Pages (from-to)349-355
Number of pages7
JournalPolymer Bulletin
Volume49
Issue number5
DOIs
Publication statusPublished - Jan 1 2003
Externally publishedYes

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phosphine
Photoresists
photoresists
phosphines
Ether
Oxides
Ethers
ethers
sulfonates
Phenol
phenols
Phenols
hydroxides
oxides
photographic developers
Dimethyl Sulfoxide
Polymers
dissolving
Casting
Dissolution

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Materials Chemistry

Cite this

A new photoresist based on hyperbranched poly(arylene ether phosphine oxide). / In, Insik; Lee, Hyosan; Fujigaya, Tsuyohiko; Okazaki, Masaki; Ueda, Mitsuru; Kim, Sang Youl.

In: Polymer Bulletin, Vol. 49, No. 5, 01.01.2003, p. 349-355.

Research output: Contribution to journalArticle

In, Insik ; Lee, Hyosan ; Fujigaya, Tsuyohiko ; Okazaki, Masaki ; Ueda, Mitsuru ; Kim, Sang Youl. / A new photoresist based on hyperbranched poly(arylene ether phosphine oxide). In: Polymer Bulletin. 2003 ; Vol. 49, No. 5. pp. 349-355.
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