National Cheng-Kung University

Hannstouch Solution Inc.

Yen-Ting Chen

Steve Lien-Chung Hsu

In-Gann Chen

A smart mobile device is disclosed. The proposed smart mobile device includes a foldable screen having a front and a back, and at least one lens configured on the back, wherein the foldable screen has a surrounding perimeter, and the surrounding perimeter has at least one cut area such that when the foldable screen is folded in a specific way, the at least one lens is revealed from the at least one cut area or surrounded by a plurality of the cut areas.

Smart mobile device

A method is provided to make a nano-silver paste. An organic acid is used as a protective agent. Silver nitrate is used as a source of silver ions to reduce silver nanoparticles on a surface protected by the organic acid. The particle size of the silver nanoparticle is 45 nanometers. In the other hand, a silver precursor of organic metal is synthesized. The organic metal is cracked at 200 celsius degrees (&#xb0; C.) to fill pores left during sintering. After mixing the silver nanoparticle, the silver precursor and the solvent, the nano-silver paste is obtained. After being heated at 250&#xb0; C. for 30 minutes, the nano-silver paste has a resistance of (3.09&#xb1;0.61)&#xd7;10&#x3a9;&#xb7;cm. By being heated at 250&#xb0; C. and applied with a pressure of 10 MPa to be hot-pressed for 30 minutes for joining copper to copper, the nano-silver paste obtains a bonding strength reaching 36 MPa.

Growing community of inventors

Tainan, Taiwan

Yen-Ting Chen