H05K2203/0392

Methods for producing an etch resist pattern on a metallic surface
11255018 · 2022-02-22 · ·

A method of forming a metallic pattern on a substrate is provided. The method includes applying onto a metallic surface, a chemically surface-activating solution having an activating agent that chemically activates the metallic surface; non-impact printing an etch-resist ink on the activated surface to produce an etch resist mask according to a predetermined pattern, wherein at least one ink component within the etch-resist ink undergoes a chemical reaction with the activated metallic surface to immobilize droplets of the etch-resist ink when hitting the activated surface; performing an etching process to remove unmasked metallic portions that are not covered with the etch resist mask; and removing the etch-resist mask.

TRANSPARENT CONDUCTIVE LAYER, A FILM COMPRISING THE LAYER, AND A PROCESS FOR ITS PRODUCTION
20170251553 · 2017-08-31 · ·

The invention relates to a transparent conductive layer comprising non-conductive areas and conductive areas, wherein the conductive areas comprise an FIG. 1 interconnected network of electrically conductive nanoobjects and in the non-conductive areas the nanoobjects are converted into particles and wherein the thickness of the conductive areas and the non-conductive areas differs less than 10 nm. The invention further relates to a process for producing a patterned transparent conductive film, the film comprising a substrate and a transparent conductive layer, and to a process for producing the patterned transparent conductive film.

STACKED-LAYER BOARD, ELECTRONIC COMPONENT MODULE, AND METHOD OF MANUFACTURING STACKED-LAYER BOARD
20220183156 · 2022-06-09 ·

A stacked-layer board includes a base material including a plurality of dielectric layers stacked on each other, a first main surface being a surface at one end in a stacking direction of the plurality of dielectric layers, and a second main surface being a surface at the other end in the stacking direction, and a first conductor provided on the first main surface, and a first groove is in a surface of the first conductor.

Hydrophobic Low-Dielectric-Constant Film and Preparation Method Therefor
20220145460 · 2022-05-12 ·

The present disclosure provides a hydrophobic low-dielectric-constant film and a preparation method therefor. The low-dielectric-constant film is formed from one or more fluorine-containing compounds A by means of a plasma enhanced chemical vapor deposition method, and the one or more fluorine-containing compounds comprise a compound having the general formula C.sub.xSi.sub.yO.sub.mH.sub.nF.sub.2x+2y−n+2 or C.sub.xSi.sub.yO.sub.mH.sub.nF.sub.2x+2y−n, x being an integer from 1 to 20, y being an integer from 0 to 8, m being an integer from 0 to 6, and n being 0, 3, 6, 7, 9, 10, 12, 13, 15, 16, 17 and 19. Thus, a nano-film having a low dielectric constant and good hydrophobicity is formed on the surface of a substrate.

METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE
20220136113 · 2022-05-05 · ·

A method of forming a metallic pattern on a substrate is provided. The method includes applying onto a metallic surface, a chemically surface-activating solution having an activating agent that chemically activates the metallic surface; non-impact printing an etch-resist ink on the activated surface to produce an etch resist mask according to a predetermined pattern, wherein at least one ink component within the etch-resist ink undergoes a chemical reaction with the activated metallic surface to immobilize droplets of the etch-resist ink when hitting the activated surface; performing an etching process to remove unmasked metallic portions that are not covered with the etch resist mask; and removing the etch-resist mask.

Method for producing a printed circuit board structure

A method for producing a printed circuit board structure comprising at least one insulation layer, at least one conductor layer, and at least one embedded component having a contact pad that has an outer barrier layer, in which structure at least two conductor paths/conductor layer are connected to at least two connections using vias, and each via runs from a conductor path/conductor layer directly to the barrier contact layer of the corresponding connection of the component.

Conductive film, touch panel sensor, and touch panel
11216123 · 2022-01-04 · ·

The present invention provides a conductive film in which a change in the surface state is suppressed and the light-fast adhesiveness of a protective layer is excellent, a touch panel sensor, and a touch panel. The conductive film according to the present invention includes a substrate, a patterned layer to be plated which is arranged on at least one surface of the substrate and has a functional group interacting with a plating catalyst or a precursor thereof, a copper plating layer which is arranged to cover the patterned layer to be plated and is in contact with the substrate, a metal layer which is arranged to cover the copper plating layer and contains a metal that is electrochemically nobler than copper, a nitrogen-containing compound layer which is arranged to cover the metal layer that is electrochemically nobler than copper, and a protective layer which is arranged to cover the nitrogen-containing compound layer.

Methods for producing an etch resist pattern on a metallic surface
11807947 · 2023-11-07 · ·

A method of forming a metallic pattern on a substrate is provided. The method includes applying onto a metallic surface, a chemically surface-activating solution having an activating agent that chemically activates the metallic surface; non-impact printing an etch-resist ink on the activated surface to produce an etch resist mask according to a predetermined pattern, wherein at least one ink component within the etch-resist ink undergoes a chemical reaction with the activated metallic surface to immobilize droplets of the etch-resist ink when hitting the activated surface; performing an etching process to remove unmasked metallic portions that are not covered with the etch resist mask; and removing the etch-resist mask.

Methods of etching conductive features, and related devices and systems
11425822 · 2022-08-23 · ·

A method of making a device patterned with one or more electrically conductive features includes depositing a conductive material layer over an electrically insulating surface of a substrate, depositing an anti-corrosive material layer over the conductive material layer, and depositing an etch-resist material layer over the anti-corrosive material layer. The etch-resist material layer may be deposited over the anti-corrosive material layer, and the anti-corrosive material layer forming a bi-component etch mask in a pattern resulting in covered portions of the conductive material layer and exposed portions of the conductive material layer, the covered portions being positioned at locations corresponding to one or more conductive features of the device. A wet-etch process is performed to remove the exposed portions of the conductive material layer from the electrically insulating substrate, and the bi-component etch mask is removed to expose the remaining conductive material. Systems and devices relate to devices with patterned features.

COPPER-CLAD LAMINATED PLATE, RESIN-CLAD COPPER FOIL, AND CIRCUIT SUBSTRATE USING SAID PLATE AND FOIL

A copper clad laminate includes: an insulating layer containing a cured product of a resin composition; and a surface treated copper foil on one surface or both surfaces of the insulating layer, the resin composition containing a polymer, and the surface treated copper foil including a finely roughened particle treatment layer of copper on at least one surface side of a copper foil, the finely roughened particle treatment layer being formed of fine copper particles having a particle size of 40 to 200 nm, a heat resistance treatment layer containing nickel provided on the finely roughened particle treatment layer, a rust prevention treatment layer containing at least chromium provided on the heat resistance treatment layer, a silane coupling agent layer provided on the rust prevention treatment layer, and an amount of nickel attached in the heat resistance treatment layer being 30 to 60 mg/m.sup.2.