IP Library Granted Patent US 10,870,921
Granted Patent B2
US 10,870,921 · App. 15/107,170 · Granted Dec 22, 2020

Cyclopentadienyl titanium alkoxides with ozone activated ligands for ALD of TiO2

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,870,921
App. No.
15/107,170
Granted
Dec 22, 2020
Kind
B2
Abstract

An organotitanium compound selected from the group consisting of: (i) organotitanium compounds of Formulae (I): wherein: each of R 0 , R 1 and R 2 is the same as or different from the others, and each is independently selected from organo substituents containing olefinic or alkynyl unsaturation; and each of R 3 , R 4 , R 5 , R 6 , and R 7 is the same as or different from the others, and each is independently selected from H, C 1 -C 12 alkyl, and substituents containing olefinic or alkynyl unsaturation; (ii) organotitanium compounds including at least one tris(alkylaminoalkyl)amine ligand and at least one dialkylamine ligand, wherein alkyl is C 1 -C 6 alkyl; and (iii) organotitanium compounds including a cyclopentadienyl ligand, and a cyclic dienyl or trienyl ligand other than cyclopentadienyl Such organotitanium compounds are usefully employed in vapor deposition processes for depositing titanium on substrates, e.g., in the manufacture of microelectronic devices and microelectronic device precursor structures.

Claims (3)

1. A method of forming a titanium-containing film on a substrate comprising conducting a vapor deposition process using an organotitanium compound comprising a compound of the formula

wherein Cp is

and each of R 3 , R 4 , R 5 , R 6 , and R 7 is the same as or different from the others, and each is independently selected from H and C 1 -C 12 alkyl.

Assignments (4)
SECURITY INTEREST Recorded Jul 8, 2022
From: ENTEGRIS, INC.; ENTEGRIS GP, INC.; POCO GRAPHITE, INC.; CMC MATERIALS, INC.; INTERNATIONAL TEST SOLUTIONS, LLC; QED TECHNOLOGIES INTERNATIONAL, INC.
To: TRUIST BANK, AS NOTES COLLATERAL AGENT
Reel/Frame 060613/0072 →
ASSIGNMENT OF PATENT SECURITY INTEREST RECORDED AT REEL/FRAME 048811/0679 Recorded Nov 5, 2019
From: GOLDMAN SACHS BANK USA
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 050965/0035 →
SECURITY INTEREST Recorded Nov 13, 2018
From: ENTEGRIS, INC.; SAES PURE GAS, INC.
To: GOLDMAN SACHS BANK USA
Reel/Frame 048811/0679 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 5, 2018
From: CAMERON, THOMAS H.; HUNKS, WILLIAM
To: ENTEGRIS, INC.
Reel/Frame 047410/0802 →