公开(公告)号：US11524491B2

公开(公告)日：2022-12-13

申请号：US17107787

申请日：2020-11-30

Applicant: Zhen Ding Technology Co., Ltd.

Inventor： Wei-Hsin Huang ,  Chi-Fei Huang ,  Szu-Hsiang Su ,  Shou-Jui Hsiang ,  Kuan-Wei Lee

IPC: B32B27/28 ,  B29C53/56 ,  B32B37/02 ,  B29C53/00 ,  B29C53/16 ,  B32B38/10 ,  B32B38/00 ,  B32B37/20 ,  B29K105/00 ,  C08G73/10 ,  B29K79/00 ,  C08G69/32

Abstract: A method for manufacturing a thick polyimide film includes providing a first and second laminated structures. The first and second laminated structures are heated, and the heated first and second laminated structures are wound together to form a third laminated structure. The first polyamic acid gel film of the heated first laminated structure and the second polyamic acid gel film of the heated second laminated structure are overlapped and bonded together to form a third polyamic acid gel film. Two third laminated structures are wound together to form a fourth polyamic acid gel film. A dehydration ring-closure imidization reaction is applied to the fourth polyamic acid gel film by heating to obtain the thick polyimide film. A thick polyimide film manufactured by the method is also disclosed.

公开(公告)号：US11672108B2

公开(公告)日：2023-06-06

申请号：US16996705

申请日：2020-08-18

Applicant: Zhen Ding Technology Co., Ltd.

Inventor： Sheng-Feng Chung ,  Chi-Fei Huang ,  Chen-Feng Yen

IPC: H05K9/00 ,  B41M3/00 ,  B41M7/00 ,  C09D11/102 ,  C09D11/322 ,  C09D11/36 ,  C09D11/037 ,  C09D11/033 ,  C09D11/52 ,  B05D1/38 ,  B05D1/26 ,  B05D3/06 ,  B05D7/00 ,  B05D1/36

CPC classification number: H05K9/0092 ,  B41M3/006 ,  B41M7/009 ,  B41M7/0081 ,  C09D11/033 ,  C09D11/037 ,  C09D11/102 ,  C09D11/322 ,  C09D11/36 ,  C09D11/52 ,  B05D1/26 ,  B05D1/36 ,  B05D1/38 ,  B05D3/065 ,  B05D3/067 ,  B05D7/52

Abstract: A method for manufacturing an electromagnetic shielding film of reduced thickness and a simplified manufacturing process includes forming a conductive ink layer by inkjet printing, on a component to be shielded, forming an insulative ink layer on the conductive ink layer by inkjet printing, and sintering the conductive ink layer and the insulative ink layer to form an electromagnetic shielding layer and an insulative layer, thereby obtaining the electromagnetic shielding film.

公开(公告)号：US11713334B2

公开(公告)日：2023-08-01

申请号：US17217076

申请日：2021-03-30

Applicant: Zhen Ding Technology Co., Ltd.

Inventor： Chi-Fei Huang ,  Ho-Hsiu Chou ,  Chun-Ming Yeh ,  Chun-Hsiu Lin

IPC: C08G18/38 ,  C07F15/04 ,  B29C73/16 ,  C08G18/32 ,  C08G18/10 ,  C08G18/48 ,  C08G18/83 ,  C08G18/66 ,  C08G18/76

CPC classification number: C07F15/045 ,  B29C73/163 ,  C08G18/10 ,  C08G18/3206 ,  C08G18/3215 ,  C08G18/3844 ,  C08G18/48 ,  C08G18/4825 ,  C08G18/6666 ,  C08G18/7621 ,  C08G18/838

Abstract: A method of preparing a self-healing composition is disclosed, the method including following steps. An isocyanate solution, a dihydric alcohol solution, and a metal salt solution are provided. The dihydric alcohol has heterocyclic structures. The isocyanate solution and the dihydric alcohol solution are mixed, causing the isocyanate and the dihydric alcohol polymerize to form a polymer precursor. The polymer precursor includes a hard segment and a soft segment. The hard segment includes urethane groups, the soft segment includes heterocyclic structures. The polymer precursor and the metal salt solution are mixed, causing the heterocyclic structures and metal ions to undergo a chelation reaction to form a coordination complex, thereby forming the self-healing composition. A self-healing composition prepared by the method, and self-healing film using the self-healing composition are also disclosed.

公开(公告)号：US11602921B2

公开(公告)日：2023-03-14

申请号：US16511222

申请日：2019-07-15

Applicant: Zhen Ding Technology Co., Ltd.

Inventor： Chi-Fei Huang ,  Sheng-Feng Chung ,  Shou-Jui Hsiang

IPC: B32B25/10 ,  B32B5/02 ,  B32B25/02

Abstract: A composite fabric which is elastic and conductive and thus able to detect a user's limb and body movements includes a fabric layer and an elastic conductive layer of elastomer and conductive filler formed on the fabric layer. A resistance value and a strain increments of the fabric satisfy a relationship of RT=R+nε or RT=R+m enε, wherein ε denotes the strain increment, R denotes the resistance value when the strain increment is 0, and RT denotes the resistance value when deformed through the increments. The m and n are coefficients, being a whole number or a fraction. A user can immediately detect and know the movements of his limbs according to the resistance value of the elastic conductive composite fabric.