Patent ID: 8512452

Claim:
A vapor deposition hot-trap device ( 1 ) comprising: an enclosure ( 2 ) comprising at least one inlet ( 3 ) and at least one outlet ( 5 ); at least one heating means ( 7 ); and at least two collector means ( 10 ) for the conversion of reaction by-products into products that are deposited on the collector means ( 10 ) and/or the inner surface of the enclosure ( 2 ), wherein the collector means ( 10 ) are arranged within the enclosure ( 2 ) between the inlet ( 3 ) and the outlet ( 5 ), the collector means ( 10 ) have a diameter that substantially matches the diameter of the enclosure ( 2 ) and has at least one opening ( 18 ), the collector means ( 10 ) are arranged in a way so that their openings ( 18 ) are staggered, and the surface area of the collector means ( 10 ) increases in the direction from inlet ( 3 ) to outlet ( 5 ), wherein the hot-trap device ( 1 ) further comprises a heating rod ( 8 ), and wherein the heating rod ( 8 ) is configured such that the temperature for the collector means ( 10 ) increases in the direction from inlet ( 3 ) to outlet ( 5 ).