
Recent research and development of thick CVD tungsten
2020年5月21日 · In the past several years, atmospheric pressure chemical vapor deposition (APCVD) with deposition rates in the range of 0.4–1.0 mm·h −1 has been successfully …
Microstructures of chemical vapor deposited high-purity tungsten …
2017年12月1日 · Chemical vapor deposited tungsten has a combination of excellent properties, namely high-purity, high density, the capability of forming preferred orientations and …
Precursors for chemical vapor deposition of tungsten oxide and ...
2020年10月15日 · The established library of CVD precursors for tungsten and molybdenum oxides has been extended well beyond the originally studied simple inorganic precursors to …
Pulsed CVD of Tungsten Thin Film as a Nucleation Layer for Tungsten ...
2004年8月16日 · Tungsten (W) thin film as a nucleation layer for a W plug-fill process was deposited using a modified chemical vapor deposition (CVD) called pulsed CVD, and …
The surface chemistry and kinetics of tungsten chemical vapor ...
1994年4月1日 · The mechanism of tungsten chemical vapor deposition (CVD) using hydrogen reduction of tungsten hexafluoride is reviewed, with emphasis on the relevant fundamental …
Fluorine-free tungsten films as low resistance liners for tungsten fill ...
This paper highlights two new low resistivity W liner films which replace both TiN and the nucleation layer and that allow for continued low resistance scaling of W fill: a plasma …
CVD Tungsten | Queen's Advanced MicroEngineering Centre
In the semiconductor industry CVD tungsten has found a very particular niche because of its properties and its ability to deposit uniformly over patterned substrates. It’s most common …
Selective chemical vapor deposition of tungsten for …
A selective chemical vapor deposition (CVD) tungsten process is used to fabricate three-dimensional tungsten cantilever beams on a silicon substrate. Two beams form …
Process Co-Optimization of CVD and CMP for Tungsten …
2020年10月14日 · Chemical vapor deposition (CVD) and chemical-mechanical planarization (CMP) of tungsten have been the enabling process technologies for semiconductor …
Applications of CVD tungsten in VLSI circuits - IEEE Xplore
Selectively deposited tungsten can greatly improve metal step coverage in the contacts. At the same time, the etch-stop properties of tungsten allow one to tighten up a number of design …