Global Patent Index - EP 2697826 A4

EP 2697826 A4 20141022 - LOW TEMPERATURE DEPOSITION OF SILICON OXIDE FILMS

Title (en)

LOW TEMPERATURE DEPOSITION OF SILICON OXIDE FILMS

Title (de)

AUFBRINGUNG VON SILICIUMOXIDFILMEN BEI NIEDRIGEN TEMPERATUREN

Title (fr)

DÉPÔT À BASSE TEMPÉRATURE DE FILMS D'OXYDE DE SILICIUM

Publication

EP 2697826 A4 20141022 (EN)

Application

EP 12770650 A 20120329

Priority

  • US 201161474415 P 20110412
  • US 2012031122 W 20120329

Abstract (en)

[origin: WO2012141908A1] Deposition of silicon oxide films at low temperature by using wet chemistry techniques. The wet chemistry solution may be a mixture of sodium hypochloride (NaOCl), tetra methyl ammonium hydroxide (TMAH) and hydrated silicate, such as silicic acid. The resulting silicon oxide films provide excellent anti-reflective coatings for solar cells and the like.

IPC 8 full level

H01L 31/18 (2006.01); H01L 21/316 (2006.01); H01L 31/0216 (2014.01)

CPC (source: EP)

H01L 21/02238 (2013.01); H01L 31/02168 (2013.01); H01L 31/18 (2013.01); Y02E 10/50 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2012141908 A1 20121018; WO 2012141908 A8 20121122; EP 2697826 A1 20140219; EP 2697826 A4 20141022; SG 194085 A1 20131129; TW 201307610 A 20130216

DOCDB simple family (application)

US 2012031122 W 20120329; EP 12770650 A 20120329; SG 2013074265 A 20120329; TW 101113065 A 20120412