기술분야 전기전자
기술명 터치센서
특허권자 중앙대
출원번호

Technical Overview

-  Spiral resonators are loaded on a microstrip transmission line. 

-  When a user touches a specific spiral resonator, its resonant frequency is shifted due to EM coupling with finger

 

Technology development necessity

1. Touch screen technology 

-  Due to convenience and immediacy of the touch screen technology, its concept is being applied to other materials and applications

-  Paper substrate is the best material to adapt touch screen concept, because of its flexibility and cheapness propertie

-  For paper based touch sensor application, touch sensor using inkjet printing technology is proposed


2. Commercial paper based electronics for entertainment 

- External input-device is needed

- Expensive 

- Easily broken 

- Easy to lose 

 

3. Disposable sensors and smart packaging

- Prevent personal information leakage 

- Increase efficiency of delivery 

- Offer information

 

Field of application

1. Inkjet printing technology 

-  The 1.3-?m-thick touch sensor pattern is printed on a sheet. 

-  The touch paper is cured for two hours at 120 °C. 

-  SMA connectors for measurement purposes are attached using silver epoxy

 

2. Inkjet printing technology 

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