Process for manufacturing synthetic single crystal diamond material using a pressure driven growth process and a plurality of seed pads with each seed pad comprising a plurality of single crystal diamond seeds

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United States of America Patent

PATENT NO 10370773
APP PUB NO 20150027363A1
SERIAL NO

14383074

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Abstract

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A method for manufacturing a plurality of synthetic single crystal diamonds, the method comprising: forming a plurality of seed pads, each seed pad comprising a plurality of single crystal diamond seeds anchored to, or embedded in, an inert holder; loading a carbon source, a metal catalyst, and the plurality of seed pads into a capsule; loading the capsule into a high pressure high temperature (HPHT) press; and subjecting the capsule to a HPHT growth cycle to grow single crystal diamond material on the plurality of single crystal diamond seeds, the HPHT growth cycle comprising: initiating HPHT growth of single crystal diamond material on the plurality of single crystal diamond seeds by increasing pressure and temperature; maintaining HPHT growth of single crystal diamond material on the plurality of single crystal diamond seeds via a pressure driven growth process by controlling and maintaining pressure and temperature; and terminating HPHT growth of single crystal diamond material on the plurality of single crystal diamond seeds by reducing pressure and temperature, wherein the plurality of single crystal diamond seeds remain anchored to, or embedded in, the inert holders during the HPHT growth cycle.

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Patent Owner(s)

Patent OwnerAddress
ELEMENT SIX TECHNOLOGIES LIMITEDDIDCOT OXFORDSHIRE OX11 0QR

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borse, Dietrich Hamburg, DE 5 71
Dodge, Carlton Nigel Oxfordshire, GB 6 10
Gura, Eugen Hamburg, DE 1 1
Spits, Raymond Anthony Oxfordshire, GB 10 8

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