Global Patent Index - EP 3596247 A2

EP 3596247 A2 20200122 - COATED PRODUCT AND PRODUCTION METHOD

Title (en)

COATED PRODUCT AND PRODUCTION METHOD

Title (de)

BESCHICHTETES PRODUKT UND VERFAHREN ZUR HERSTELLUNG

Title (fr)

PRODUIT DOTÉ D'UN REVÊTEMENT ET PROCÉDÉ DE FABRICATION

Publication

EP 3596247 A2 20200122 (DE)

Application

EP 18711237 A 20180301

Priority

  • DE 102017204257 A 20170314
  • EP 2018055020 W 20180301

Abstract (en)

[origin: WO2018166802A2] The invention relates to a method for producing a product, a crucible and a use of a layer of crystalline silicon nitride, wherein the product is made of a material consisting predominantly of carbon or a ceramic material, wherein the product is coated with a surface layer by means of chemical gas phase deposition (CVD), wherein the product is coated with a surface layer of at least semi-crystalline, preferably crystalline silicon nitride (Si3N4), and wherein the surface layer is formed on the product at a process temperature of more than 1100 °C to 1700 °C.

IPC 8 full level

C23C 16/02 (2006.01); C23C 16/04 (2006.01); C23C 16/24 (2006.01); C23C 16/34 (2006.01); C23C 16/56 (2006.01)

CPC (source: EP KR US)

C23C 16/0272 (2013.01 - EP KR US); C23C 16/045 (2013.01 - EP KR US); C23C 16/24 (2013.01 - EP KR); C23C 16/345 (2013.01 - EP KR US); C23C 16/46 (2013.01 - US); C23C 16/56 (2013.01 - EP KR); C23C 16/46 (2013.01 - KR)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2018166802 A2 20180920; WO 2018166802 A3 20190117; CN 110418858 A 20191105; DE 102017204257 A1 20180920; EP 3596247 A2 20200122; JP 2020514552 A 20200521; KR 20190125349 A 20191106; TW 201839163 A 20181101; TW I776860 B 20220911; US 11932937 B2 20240319; US 2020024732 A1 20200123

DOCDB simple family (application)

EP 2018055020 W 20180301; CN 201880016991 A 20180301; DE 102017204257 A 20170314; EP 18711237 A 20180301; JP 2019550666 A 20180301; KR 20197027319 A 20180301; TW 107107166 A 20180305; US 201816489632 A 20180301