Cross-Linkable Fluorinated Polynorbornene with High Thermostability and Low Dielectric Constant at High Frequency

2019 ◽  
Vol 2 (2) ◽  
pp. 768-774 ◽  
Author(s):  
Xingrong Chen ◽  
Jing Sun ◽  
Linxuan Fang ◽  
Yangqing Tao ◽  
Xiaoyao Chen ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
High Frequency ◽  
Low Dielectric Constant ◽  
High Thermostability ◽  
Low Dielectric

Photosensitive Polyimide having low loss tangent for RF application

2018 ◽  
Vol 2018 (1) ◽  
pp. 000476-000482 ◽  
Author(s):  
Masao Tomikawa ◽  
Hitoshi Araki ◽  
Yohei Kiuchi ◽  
Akira Shimada
Keyword(s):  
Molecular Structure ◽  
Dielectric Constant ◽  
Dielectric Properties ◽  
Dielectric Loss ◽  
High Frequency ◽  
Low Dielectric Constant ◽  
Low Loss ◽  
Elongation At Break ◽  
Low Dielectric ◽  
The Poor

Abstract Progress of 5G telecommunication and mm radar for autopilot, high frequency operation is required. Insulator materials having low loss at high frequency is desired for the applications. We designed the low dielectric constant, and low dielectric loss materials examined molecular structure of the polyimide and found that permittivity 2.6 at 20GHz, dielectric loss 0.002. Furthermore, in consideration of mechanical properties such as the toughness and adhesion to copper from a point of practical use. Dielectric properties largely turned worse when giving photosensitivity. To overcome the poor dielectric properties, we designed the photosensitive system. After all, we successfully obtained 3.5 of dielectric constant and 0.004 of dielectric loss, and 100% of elongation at break. In addition, we offered a B stage sheet as well as varnish. These materials are applicable to re-distribution layer of FO-WLP, Interposer and other RF applications for microelectronics.

Low Loss LTCC Ag System for 5G Applications

2021 ◽  
Vol 2021 (HiTEC) ◽  
pp. 000105-000111
Author(s):  
Ellen Tormey ◽  
Chao Ma ◽  
John Maloney ◽  
Bradford Smith ◽  
Sid Sridharan ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
High Frequency ◽  
Lower Cost ◽  
Low Dielectric Constant ◽  
Low Latency ◽  
Frequency Range ◽  
Low Loss ◽  
Green Tape ◽  
Low Dielectric ◽  
Wireless Telecommunications

Abstract Low dielectric constant/low loss LTCC materials have drawn much attention with the emergence of 5G wireless telecommunications. LTCC offers unique properties in the millimeter wave frequency range. The low dielectric constant and dielectric loss enable low latency devices with enhanced performance. To meet the market demands of higher performance and lower cost, Ferro has developed a new M7 LTCC/Ag cofireable system suitable for antenna in 5G and other high frequency applications. M7 LTCC ceramic green tape and cofireable Ag conductors have been developed and tested. Properties of the LTCC/Ag system are included herein including high frequency dielectric properties.

Benzocyclobutene resin with fluorene backbone: a novel thermosetting material with high thermostability and low dielectric constant

RSC Advances ◽  
2014 ◽  
Vol 4 (75) ◽  
pp. 39884-39888 ◽  
Author(s):  
Yuanqiang Wang ◽  
Jing Sun ◽  
Kaikai Jin ◽  
Jiajia Wang ◽  
Chao Yuan ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Low Dielectric Constant ◽  
High Thermostability ◽  
Low Dielectric

A new benzocyclobutene monomer with a fluorene backbone was synthesized, which can be thermally converted to a cross-linked network with low dielectric constant and high thermostability.

An effective strategy for the preparation of intrinsic low-k and ultralow-loss dielectric polysiloxanes at high frequency by introducing trifluoromethyl groups into the polymers

2020 ◽  
Vol 11 (38) ◽  
pp. 6163-6170
Author(s):  
Fengping Liu ◽  
Xingrong Chen ◽  
Linxuan Fang ◽  
Jing Sun ◽  
Qiang Fang
Keyword(s):  
Dielectric Constant ◽  
Dielectric Properties ◽  
Dielectric Loss ◽  
High Frequency ◽  
Low Dielectric Constant ◽  
Effective Strategy ◽  
Low Dielectric ◽  
5 Ghz ◽  
Low K ◽  
Trifluoromethyl Groups

Two new CF3-containing polysiloxanes with low dielectric constant (Dk) and dielectric loss (Df ) at a high frequency of 5 GHz were reported. The sample with two −CF3 groups exhibits better dielectric properties with Dk of 2.53 and ultralow Df of 1.66 × 10−3.

Benzocyclobutene-functionalized poly(m-phenylene): A novel polymer with low dielectric constant and high thermostability

Polymer ◽  
2014 ◽  
Vol 55 (16) ◽  
pp. 3628-3633 ◽  
Author(s):  
Jiawei Tong ◽  
Shen Diao ◽  
Kaikai Jin ◽  
Chao Yuan ◽  
Jiajia Wang ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Low Dielectric Constant ◽  
High Thermostability ◽  
Low Dielectric
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