Evaluation of TiN hardmask films to prevent line wiggling due to plasma-induced film stress

A Turnquist, N Kofuji, J Sebastian, Z Liu… - … and Process …, 2023 - spiedigitallibrary.org
TiN hardmask stress on wiggling was explored via etching of p-SiOCH with a 28 nm pitch,
L/S EUV resist pattern. In TFMHM, the TiN mask is exposed to plasma during the p-SiOCH etch

Etch characteristics of nanoscale ultra low-k dielectric using C3H2F6

HW Tak, JK Jang, D Sung, DS Kim, DW Kim… - Materials …, 2020 - ingentaconnect.com
… the etching. In this study, etch characteristics of nanoscale TiN masked porous SiCOH such
as … deposited by PECVD was used as the hard mask of porous SiCOH etching for good …

Etch damage reduction of ultra low-k dielectric by using pulsed plasmas

JK Jang, HW Tak, KC Yang, YJ Shin, JY Hyeon… - ECS …, 2019 - iopscience.iop.org
… wave plasma etching. Porous SiCOH dielectric with a patterned TiN hard mask was etched
using the RF pulsed plasmas and the results showed more anisotropic etching profiles with …

Plasma induced damage reduction of ultra low-k dielectric by using source pulsed plasma etching for next BEOL interconnect manufacturing

JK Jang, HW Tak, YJ Shin, D San Kim… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
dielectric patterned with a TiN hard mask was etched using the RF pulsed plasmas and the
results showed more anisotropic etching … ) was used and the etching properties such as etch

Beyond the highs and lows: A perspective on the future of dielectrics research for nanoelectronic devices

M Jenkins, DZ Austin, JF Conley, J Fan… - ECS Journal of Solid …, 2019 - iopscience.iop.org
… Perspective on the Future of Dielectrics Research for Nanoelectronic Devices - IOPscience
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Single-step reactive ion etching process for device integration of hafnium-zirconium-oxide (HZO)/titanium nitride (TiN) stacks

T Mauersberger, J Trommer, S Sharma… - Semiconductor …, 2021 - iopscience.iop.org
dielectrics, high-k dielectrics like HfO 2 or ZrO 2 can hardly be … Hard masks for the reactive
ion etching of TiN for capacitor … Reactive ion etching was used to etch the top TiN electrode …

Patterning challenges for direct metal etch of ruthenium and molybdenum at 32 nm metal pitch and below

S Decoster, E Camerotto, G Murdoch… - Journal of Vacuum …, 2022 - pubs.aip.org
… material of the metal lines (SiN in our case) and the dielectric … We have used a SiN hard
mask with TiN as an adhesion … in the hard mask width, while the Ru layer is not yet fully etched. …

Gate dielectric leakage reduction in hard-mask defined and dry-etch patterned organic TFTs devices

JJ Chen, TC Chang, YH Hung… - IEEE Electron …, 2021 - ieeexplore.ieee.org
process, TG was used as a mask for dry etching to define the size of the gate insulator layer
and OSC. After process … for hopping conduction distance properties of the Sn: SiOX thin film …

Investigation of Amorphous Silicon as Dry Etch Hard Mask in BEOL Low-k Dielectric Patterning

J Yin, F Zheng, L Shu, Y Zhang, J Shen… - 2024 Conference of …, 2024 - ieeexplore.ieee.org
process flow of Metal 1 (M1) using TiN as a hard mask in BEOL. To guarantee the formation
of the critical features, a typical etch … ) is a hard mask material for etching SiO2 used in Front …

Green etching of indium tin oxide metasurfaces

SFJ Blair, JS Male, CP Reardon… - Optical Materials …, 2024 - opg.optica.org
… is the requirement of a metal hard mask for etching. The … Our etch requires no metal mask
and thus no post-process … for ITO, we started with fluorine chemistry as for other dielectrics, …