A coating method for a clad steel in which stainless sheets are combined on adjacent surfaces of an aluminum sheet may include preparing the clad steel, preparing a coating solution in which an epoxy resin and titanium dioxide (TiO.sub.2) powder are combined in an acrylic resin, etching the clad steel to improve adhesion property between the coating solution and the clad steel, heating the clad steel, and performing electrodeposition by immersing the clad steel in the coating solution.

A coating method for a clad steel in which stainless sheets are combined on adjacent surfaces of an aluminum sheet may include preparing the clad steel, preparing a coating solution in which an epoxy resin and titanium dioxide (TiO.sub.2) powder are combined in an acrylic resin, etching the clad steel to improve adhesion property between the coating solution and the clad steel, heating the clad steel, and performing electrodeposition by immersing the clad steel in the coating solution.

A method for removing oxidation of a contact of a trigger switch of a battery pack powered tool. The method includes receiving power from one or more battery packs coupled to the battery pack powered tool, determining, with a controller, that a trigger of the battery pack powered tool has been actuated, and providing, with a wetting circuit, power from the one or more battery packs to the contact to remove an oxidation surface film on the contact.

A method for removing oxidation of a contact of a trigger switch of a battery pack powered tool. The method includes receiving power from one or more battery packs coupled to the battery pack powered tool, determining, with a controller, that a trigger of the battery pack powered tool has been actuated, and providing, with a wetting circuit, power from the one or more battery packs to the contact to remove an oxidation surface film on the contact.

There is disclosed an electrode array device having an adsorbed porous reaction layer for improved synthesis quality. The array comprises a plurality of electrodes on a substrate, wherein the electrodes are electronically connected to a computer control system. The array has an adsorbed porous reaction layer on the plurality of electrodes, wherein the adsorbed porous reaction layer comprises a chemical species having at least one hydroxyl group. In the preferred embodiment, the reaction layer is sucrose. A method for preparing an electrode array for improved synthesis quality is disclosed. The method comprises a cleaning method and a method of attachment of a reaction layer. The cleaning method comprises a plasma cleaning method and a chemical cleaning method. The reaction layer is attached after cleaning by exposing the microarray to a solution containing the chemical species having at least one hydroxyl group.

There is disclosed an electrode array device having an adsorbed porous reaction layer for improved synthesis quality. The array comprises a plurality of electrodes on a substrate, wherein the electrodes are electronically connected to a computer control system. The array has an adsorbed porous reaction layer on the plurality of electrodes, wherein the adsorbed porous reaction layer comprises a chemical species having at least one hydroxyl group. In the preferred embodiment, the reaction layer is sucrose. A method for preparing an electrode array for improved synthesis quality is disclosed. The method comprises a cleaning method and a method of attachment of a reaction layer. The cleaning method comprises a plasma cleaning method and a chemical cleaning method. The reaction layer is attached after cleaning by exposing the microarray to a solution containing the chemical species having at least one hydroxyl group.

Disclosed is a method of fabricating an aluminum alloy member for bonding different materials. The method may include etching the aluminum alloy member with one or more etching solutions, and forming one or more undercuts on a surface of the aluminum alloy member.

A coating method for a clad steel in which stainless sheets are combined on adjacent surfaces of an aluminum sheet may include preparing the clad steel, preparing a coating solution in which an epoxy resin and titanium dioxide (TiO.sub.2) powder are combined in an acrylic resin, etching the clad steel to improve adhesion property between the coating solution and the clad steel, heating the clad steel, and performing electrodeposition by immersing the clad steel in the coating solution.

A coating method for a clad steel in which stainless sheets are combined on adjacent surfaces of an aluminum sheet may include preparing the clad steel, preparing a coating solution in which an epoxy resin and titanium dioxide (TiO.sub.2) powder are combined in an acrylic resin, etching the clad steel to improve adhesion property between the coating solution and the clad steel, heating the clad steel, and performing electrodeposition by immersing the clad steel in the coating solution.

Disclosed herein is an electrolytic brush assembly comprising a handle assembly; a shroud extending from the handle assembly, the shroud having an aperture at a distal end thereof; a brush connecting assembly for releasably connecting a brush to the handle assembly whereby the brush extends through the aperture of the shroud and a fluid delivery assembly. The handle assembly comprises an adjustment sub-assembly for selectively moving the brush connecting assembly and a brush connected thereto relative to the handle assembly and the aperture of the shroud. The fluid delivery assembly delivers electrolytic fluid to the proximity of the brush, optionally under closed loop control.