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How to Select RF Materials to Minimize Glass Weave Effect on PCB Antennas for mmWave Automotive Radar

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When

4/7/20 11:00 am to 4/7/20 12:00 pm EST

Event Description

Technical Education Webinar Series

Title: How to Select RF Materials to Minimize Glass Weave Effect on PCB Antennas for mmWave Automotive Radar

Date: April 7, 2020

Time: 8am PT / 11am ET

Sponsored by: Rogers Corp.

Presented by: Roshin George, Market Development Engineer and Joey Kellner, Market Segment Manager

Abstract:
PCB laminates are typically constructed by impregnating a glass cloth with a polymeric resin. The inconsistency of dielectric constant due to glass cloth construction style is called glass weave effect. At mmWave frequencies as the glass bundle width is comparable to the transmission line width, the effect of glass fiber cloth is substantial. Also, when the antenna structure is manufactured on thin (e.g., 100 µm) PCB laminates, woven glass cloth can cause significant changes in the antenna performance and reduce manufacturing yield. The webinar is a detailed discussion of glass weave PCB laminate construction effects on transmission lines and antennas. The agenda is as follows:

  • Brief overview of PCB antenna applications for automotive radar
  • Introduction to PCB constructions (including RO4830™ LoPro® and RO4835™ LoPro laminates) and terminologies
  • Impact of different glass weave construction style on the transmission line performance
  • Impact of different glass weave construction style on the series fed microstrip patch array antenna performance (a typical antenna used in automotive radar)

Presenter Bios:

Roshin George is an Antenna Market Development Engineer for Rogers Corporation’s Advanced Connectivity Solutions. She researches new markets, emerging standards, assesses key performance metrics, and prepares reference designs and prototypes to meet key requirements for antenna design. She currently works on advanced PCB and dielectric antennas for mmWave, Automotive Radar, and 5G technologies. Roshin’s work has led to three published patents and four pending patents. She is proficient in design, fabrication, and VNA and anechoic chamber measurements of various antennas. Roshin graduated with a Masters in Electrical Engineering from San Diego State University in 2017.

Joey Kellner is the Automotive Market Segment Manager for Rogers Corporation’s, Advanced Connectivity Solutions. Joey has over 20 years of industry experience, with the last 13 spent in engineering, product management and marketing roles at Rogers Corporation. In her current role, Joey works closely with automotive customers to understand and meet their RF material and commercial supply requirements. Joey holds a Bachelor of Science, Chemical Engineering degree from North Carolina State University, and a Masters of Business Administration, specializing in Technology, Science and Engineering from Arizona State University.

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