Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers

Bo Ma; Hiroyuki Kuwae; Akiko Okada; Weixin Fu; Shuichi Shoji; Jun Mizuno

doi:10.1109/MEMSYS.2016.7421548

Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers

Bo Ma, Hiroyuki Kuwae, Akiko Okada, Weixin Fu, Shuichi Shoji, Jun Mizuno

Research Organization for Nano & Life Innovation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

We proposed a HF-assisted single crystal quartz direct bonding method at low temperature using amorphous SiO2 layer for high performance optical low pass filter (OLPF) to improve heat resistance compared with conventional OLPFs using UV-curing adhesive. Amorphous SiO2 was deposited by ion beam sputtering on backside of both infrared reflection and anti-reflection coated substrates. By the etching rate evaluation, amorphous SiO2 deposition is considered to provide high active surface useful for bonding. The HF bonded sample with amorphous SiO2 layer achieved 0.8 MPa in tensile test and 3.3 MPa in shear test, and also nearly 100 % light transmittance was performed, which is as the same level as conventional UV-curing adhesive one. Therefore, the proposed single crystal quartz direct bonding with amorphous SiO2 layers is considered to be a promising technique to realize high performance OLPFs.

Original language	English
Title of host publication	MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	25-28
Number of pages	4
Volume	2016-February
ISBN (Electronic)	9781509019731
DOIs	https://doi.org/10.1109/MEMSYS.2016.7421548
Publication status	Published - 2016 Feb 26
Event	29th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2016 - Shanghai, China Duration: 2016 Jan 24 → 2016 Jan 28

Other

Other	29th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2016
Country	China
City	Shanghai
Period	16/1/24 → 16/1/28

ASJC Scopus subject areas

Electrical and Electronic Engineering
Mechanical Engineering
Condensed Matter Physics
Electronic, Optical and Magnetic Materials

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10.1109/MEMSYS.2016.7421548

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Ma, B., Kuwae, H., Okada, A., Fu, W., Shoji, S., & Mizuno, J. (2016). Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers. In MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems (Vol. 2016-February, pp. 25-28). [7421548] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEMSYS.2016.7421548

Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers. / Ma, Bo; Kuwae, Hiroyuki; Okada, Akiko; Fu, Weixin; Shoji, Shuichi ; Mizuno, Jun.

MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems. Vol. 2016-February Institute of Electrical and Electronics Engineers Inc., 2016. p. 25-28 7421548.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ma, B, Kuwae, H, Okada, A, Fu, W, Shoji, S & Mizuno, J 2016, Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers. in MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems. vol. 2016-February, 7421548, Institute of Electrical and Electronics Engineers Inc., pp. 25-28, 29th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2016, Shanghai, China, 16/1/24. https://doi.org/10.1109/MEMSYS.2016.7421548

Ma B, Kuwae H, Okada A, Fu W, Shoji S , Mizuno J. Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers. In MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems. Vol. 2016-February. Institute of Electrical and Electronics Engineers Inc. 2016. p. 25-28. 7421548 https://doi.org/10.1109/MEMSYS.2016.7421548

Ma, Bo ; Kuwae, Hiroyuki ; Okada, Akiko ; Fu, Weixin ; Shoji, Shuichi ; Mizuno, Jun. / Low temperature direct bonding of single crystal quartz substrates for high performance optical low pass filter using amorphous SiO2 intermediate layers. MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems. Vol. 2016-February Institute of Electrical and Electronics Engineers Inc., 2016. pp. 25-28

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abstract = "We proposed a HF-assisted single crystal quartz direct bonding method at low temperature using amorphous SiO2 layer for high performance optical low pass filter (OLPF) to improve heat resistance compared with conventional OLPFs using UV-curing adhesive. Amorphous SiO2 was deposited by ion beam sputtering on backside of both infrared reflection and anti-reflection coated substrates. By the etching rate evaluation, amorphous SiO2 deposition is considered to provide high active surface useful for bonding. The HF bonded sample with amorphous SiO2 layer achieved 0.8 MPa in tensile test and 3.3 MPa in shear test, and also nearly 100 % light transmittance was performed, which is as the same level as conventional UV-curing adhesive one. Therefore, the proposed single crystal quartz direct bonding with amorphous SiO2 layers is considered to be a promising technique to realize high performance OLPFs.",

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AU - Mizuno, Jun

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