H05K3/0041

CATALYZED METAL FOIL AND USES THEREOF
20210259115 · 2021-08-19 ·

Systems, methods, and devices related to catalyzed metal foils are disclosed. Contemplated metal foils have a bottom surface, preferably roughened to Ra of at least 0.1 μm, bearing a catalyst material. The metal foils are etchable, typically of aluminum or derivative thereof, and is less than 500 μm thick. Methods and systems for forming circuits from catalyzed metal foils are also disclosed. The catalyst material bearing surface of the metal foil is applied to a substrate and laminated, in some embodiments with a thermoset resin or thermoplastic resin therebetween or an organic material first coating the catalytic material. The metal foil is removed to expose the catalyst material, and a conductor is plated to the catalyst material.

Plasma ashing for coated devices
11849543 · 2023-12-19 ·

A plasma ashing system includes a plasma generator configured to generate a plasma from a gas source. The system further includes a plasma reaction chamber configured to house a substrate comprising a Parylene coating, wherein the plasma reaction chamber is configured to expose surfaces of the Parylene coating on the substrate to the plasma, wherein the plasma is configured to remove portions of the Parylene coating on the substrate.

CONTACT PADS FOR ELECTRONIC SUBSTRATES AND RELATED METHODS

Electronic substrates, contact pads for electronic substrates, and related methods are disclosed. Electronic substrates may include an electrically conductive layer that forms at least one contact pad and at least one metal trace on a non-conductive layer. The contact pads are arranged with greater thicknesses or heights above the non-conductive layer than the metal traces. Dielectric layers are disclosed that cover the metal traces while leaving top surfaces of the contact pads exposed. Top surfaces of the dielectric layers may be arranged to be coplanar with top surfaces of the contact pads to provide electronic substrates having generally planar top faces. Bottom faces of electronic substrates may include mounting pads that are coplanar with additional dielectric layers. Methods are disclosed that include forming dielectric layers to cover contact pads and metal traces, and removing surface portions of the dielectric layers until the contact pads are accessible through the dielectric layers.

Plasma Ashing for Coated Devices
20210127497 · 2021-04-29 ·

A plasma ashing system includes a plasma generator configured to generate a plasma from a gas source. The system further includes a plasma reaction chamber configured to house a substrate comprising a Parylene coating, wherein the plasma reaction chamber is configured to expose surfaces of the Parylene coating on the substrate to the plasma, wherein the plasma is configured to remove portions of the Parylene coating on the substrate.

WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME
20210136929 · 2021-05-06 · ·

A wiring board includes a resin insulating layer having a component mounting surface, first connection pads formed on the component mounting surface of the resin insulating layer, second connection pads formed on the component mounting surface of the resin insulating layer such that the second connection pads are surrounding the first connection pads, and a protruding part including a metal material and formed on the component mounting surface of the resin insulating layer such that a portion of the protruding part is embedded in the resin insulating layer and that the protruding part is positioned between the first connection pads and the second connection pads and surrounding the first connection pads.

Process For Forming Traces on a Catalytic Laminate
20210051804 · 2021-02-18 · ·

A circuit board is formed from a catalytic laminate having a resin rich surface with catalytic particles dispersed below a surface exclusion depth. The catalytic laminate is subjected to a drilling and blanket surface plasma etch operation to expose the catalytic particles, followed by an electroless plating operation which deposits a thin layer of conductive material on the surface. A photo-masking step follows to define circuit traces, after which an electro-plating deposition occurs, followed by a resist strip operation and a quick etch to remove electroless copper which was previously covered by photoresist.

Plasma processing apparatus and plasma processing method
11062884 · 2021-07-13 · ·

The present invention provides a plasma processing apparatus and a plasma processing method which improve the uniformity and accordingly the yield in an etching treatment of a sample. In the plasma processing apparatus or the plasma processing method for treating a wafer placed on an upper surface of a sample table disposed in a treatment chamber in a vacuum container by using plasma generated in the treatment chamber, inductance of the coil is adjusted according to magnitude of an phase difference of the high frequency power flowing through the power supply path such that the voltage of the high frequency power becomes a maximum value or a minimum value, in which the coil is in a connection path that electrically connects, via the coil, positions between each electrode and each matching box on a plurality of power supply paths that electrically connect a plurality of electrodes and a plurality of electrodes high frequency power sources which supply high frequency power to the plurality of electrodes disposed at a center part and an area on an outer peripheral side of the center part in the sample table.

Contact pads for electronic substrates and related methods

Electronic substrates, contact pads for electronic substrates, and related methods are disclosed. Electronic substrates may include an electrically conductive layer that forms at least one contact pad and at least one metal trace on a non-conductive layer. The contact pads are arranged with greater thicknesses or heights above the non-conductive layer than the metal traces. Dielectric layers are disclosed that cover the metal traces while leaving top surfaces of the contact pads exposed. Top surfaces of the dielectric layers may be arranged to be coplanar with top surfaces of the contact pads to provide electronic substrates having generally planar top faces. Bottom faces of electronic substrates may include mounting pads that are coplanar with additional dielectric layers. Methods are disclosed that include forming dielectric layers to cover contact pads and metal traces, and removing surface portions of the dielectric layers until the contact pads are accessible through the dielectric layers.

CONTACT PADS FOR ELECTRONIC SUBSTRATES AND RELATED METHODS

Electronic substrates, contact pads for electronic substrates, and related methods are disclosed. Electronic substrates may include an electrically conductive layer that forms at least one contact pad and at least one metal trace on a non-conductive layer. The contact pads are arranged with greater thicknesses or heights above the non-conductive layer than the metal traces. Dielectric layers are disclosed that cover the metal traces while leaving top surfaces of the contact pads exposed. Top surfaces of the dielectric layers may be arranged to be coplanar with top surfaces of the contact pads to provide electronic substrates having generally planar top faces. Bottom faces of electronic substrates may include mounting pads that are coplanar with additional dielectric layers. Methods are disclosed that include forming dielectric layers to cover contact pads and metal traces, and removing surface portions of the dielectric layers until the contact pads are accessible through the dielectric layers.

Process for forming traces on a catalytic laminate
10849233 · 2020-11-24 · ·

A process for making a circuit board from a catalytic laminate having a resin rich surface with catalytic particles dispersed below a surface exclusion depth includes drilling holes, etching the surface to expose the catalytic particles, electroless plating the unmasked areas, applying a mask to the etched surface, electroplating the exposed areas using the electroless plating to form a continuous conductor, then stripping the mask and etching away the electroless copper deposition.