H05K3/067

ELECTRODE SUBSTRATE FOR TRANSPARENT LIGHT-EMITTING DEVICE DISPLAY, AND MANUFACTURING METHOD THEREFOR
20200091392 · 2020-03-19 ·

A method of manufacturing an electrode substrate for a transparent light emitting device display that includes laminating copper foil on a transparent base material; forming a copper foil pattern by etching the copper foil; forming a transparent photosensitive resin composition layer on a front surface of the transparent base material and the copper foil pattern; and exposing at least a part of the copper foil pattern by removing at least a part of the transparent photosensitive resin composition layer provided on the copper foil pattern.

MULTILAYERED CERAMIC SUBSTRATE AND METHOD FOR MANUFACTURING SAME
20200084894 · 2020-03-12 · ·

The present disclosure relates to a multilayer ceramic substrate preparation method. The multilayer ceramic substrate preparation method according to the present disclosure includes firing a plurality of ceramic green sheets, to create a plurality of ceramic thin films; forming a via hall in each of the plurality of ceramic thin films; filling the via hall of the plurality of ceramic thin films with conductive paste, and heat treating the via hall filled with the conductive paste, to form a via electrode; printing a pattern on a cross section of each of the plurality of ceramic thin films, and heat treating the printed pattern, to form an inner electrode; applying a bonding agent on the cross section of each of the ceramic thin films excluding an uppermost ceramic thin film of the plurality of ceramic thin films; aligning and laminating each of the plurality of ceramic thin films such that each of the plurality of ceramic thin films is electrically connected through the via electrode and the inner electrode; and firing or heat treating the laminated plurality of ceramic thin films.

METHOD FOR MANUFACTURING TRANSFER FILM INCLUDING SEED LAYER, METHOD FOR MANUFACTURING CIRCUIT BOARD BY SELECTIVELY ETCHING SEED LAYER, AND ETCHING SOLUTION COMPOSITE

The disclosure relates to a method for manufacturing a transfer film including an electrode layer, the method comprising: an electrode layer formation step of forming an electrode layer on a carrier member by using a conductive material; a placement step of placing the carrier member on at least one side of an insulating resin layer respectively; a bonding step of bonding the carrier member and the insulating resin layer together by applying pressure thereto; and a transfer step of removing the carrier member to transfer the electrode layer on the insulating resin layer.

Enhanced etch anisotropy using nanoparticles as banking agents in the presence or absence of a magnetic or electrical field

A method of anisotropic etching comprises forming a metal layer above a substrate. A mask layer is formed on the metal layer with openings defined in the mask layer to expose portions of the metal layer. The exposed portions of the metal layer are introduced to an active etchant solution that includes nanoparticles as an insoluble banking agent. In further embodiments, the exposed portions of the metal layer are introduced to a magnetic and/or an electrical field.

Electronic device, thin film transistor, array substrate and manufacturing method thereof
10510558 · 2019-12-17 · ·

Disclosed are an electronic device and the manufacturing method thereof, a manufacturing method of a thin film transistor, and an array substrate and manufacturing method thereof. The manufacturing method of an electronic device includes: forming a metallic structure on a base substrate; forming an oxygen-free insulating layer on the metallic structure and the base substrate; and forming an insulating protective layer on the oxygen-free insulating layer. The manufacturing method of the electronic device protects a metallic structure by forming an oxygen-free insulating layer, not containing oxygen elements, on the metallic structure, and hence prevents the metallic structure from being oxidized.

Etch Chemistry For Metallic Materials
20240102174 · 2024-03-28 ·

An etch chemistry solution for treating metallic surfaces in which the etch chemistry solution includes an oxidizing agent and gluconic acid. The etch chemistry solution may also include an oxidizing agent and a short-chained polyethylene polymer glycol or a short-chained polyethylene copolymer glycol. The metallic surfaces are usually used in circuits such as flexible circuits.

Transparent conductive circuit

A transparent conductive film (TCF) and methods for creating the TCF. The TCF includes a substrate having a surface, a metal mesh layer over at least a portion of the surface of the substrate, and a conductive layer over the metal mesh layer. The conductive layer includes carbon nanotubes and a binder.

METHOD FOR FORMING THROUGH-VIA METAL WIRING
20240080993 · 2024-03-07 · ·

A method for forming through-via metal wiring is disclosed. According to the method, through-via metal wiring can be formed with excellent plating quality without an expensive sputtering process by bonding a metal foil to one side of a substrate having a through-via formed therein and using the foil as a metal seed layer.

Electronic product metal shell having antenna groove

The present disclosure provides an electronic product metal shell and a method of manufacturing the same. The electronic product metal shell includes: a metal layer; a first hard anodic oxidation layer formed on an upper surface of the metal layer; a second hard anodic oxidation layer formed on a lower surface of the metal layer; an antenna groove penetrating through the metal layer and the first hard anodic oxidation layer; and a non-conductive material filled in the antenna groove.

Carrying device, wet etching apparatus and usage method thereof

The present invention discloses a carrying device, a wet etching apparatus and a usage method thereof. The carrying device comprises a carrying body and a heating unit both disposed under a to-be-processed substrate, the carrying body is used for carrying the to-be-processed substrate such that the to-be-processed substrate is placed inclined; the heating unit is used for heating the to-be-processed substrate, such that temperature of the to-be-processed substrate rises gradually from a top portion to a bottom portion thereof. In the technical solution of the present invention, by disposing the heating unit under the to-be-processed substrate, the temperature of the to-be-processed substrate rises gradually from the top portion to the bottom portion thereof, thus etch rate of the etchant on the bottom portion of the to-be-processed substrate can be increased, and uniformity of etch rate in the inclined wet etching process is improved.