Abstract:
Master electrodes and a methods for obtaining said master electrodes (100), for forming an electrochemical cell with a substrate, said master electrode comprising a first side (102) for arrangement on the substrate and a second side (104) for connection to a power supply, said master electrode further having at least one cavity (106) on the first side (102) for formation of said electrochemical cell, said cavity (106) having electrically insulating (vertical) side walls (108) and an electrically conductive bottom (110) comprising nickel suicide (112), an electrically conductive surface (114) on the second side (104) for connection to a power supply, said electrically conductive surface (114) being conductively connected to the electrically conductive bottom (110) comprising nickel suicide (112). Layers of Pd (118) and/or Au (116) may then provided in the bottom of the cavities.
Abstract:
Methods for separating a master electrode (101, 201) and a substrate (102, 202) in an ECPR process after printing are disclosed. The master electrode (101, 201) or the substrate (102, 202) is arranged on a first chuck (103, 104, 203, 204) and the other one of said master electrode (101, 201) and the substrate (102, 202) is arranged on a second chuck (103, 104, 203, 204. The master electrode (101, 201) and substrate (102, 202) have a planar interaction area during plating.
Abstract:
A device and method for electrochemical pattern replication, ECPR, is provided. The device comprises;a base;a bottom chuck on a X-Y-Theta stage;and a Z-stage with an attached top chuck, said chucks being configured to hold a master electrode or a substrate;a displacement monitor system for measuring displacement of the master electrode relative the substrate, wherein said displacement monitor system comprises a position sensor (22, 28) and a reference frame (21, 29 ), wherein the position sensor measures a distance to the reference frame. The method comprises the steps of measuring x-,y-,and theta values of the master electrode, when the master electrode and the substrate are separated and when the master electrode and the substrate are adjacent calculating a delta value, which is the difference in measured x-,y-,and theta values; comparing the delta value to a reference value;and adjusting the position of the master electrode in relation to the substrate to minimize the delta value. A device for providing electricity to the substrate is also provided. The device comprises a contact module for mounting on the chuck on all sides of the substrate so that electrical contact is possible along the whole perimeter of a substrate.
Abstract:
A method for providing a topographical pattern on a conducting or semiconducting carrier element of an ECPR master electrode is provided. The method comprises the steps of providing an etch mask on a front side of said carrier element; and etching said front side of said carrier element according to an reactive ion etch sequence, wherein said sequence comprises i) etching a first part of a trench of said carrier element using a predetermined set of constant etch parameters, and ii) etching a second part of said trench using a repeated cycle of a predetermined set of alternating etch parameters.
Abstract:
An ECPR master electrode (30, 100, 200) is presented. The master electrode comprises a carrier element (31, 101, 201) having an electrically conducting electrode surface (33, 103, 203) on a back side and a topographical pattern on a front side (32, 102, 202) with an at least partly electrically insulating top, said topographical pattern is forming at least one electrochemical cell (34a-d, 104a-d, 204a-d) comprising a bottom and at least one side wall, said bottom having an electrically conducting surface being conductively connected to the electrically conducting electrode surface (33, 103, 203) on the back side through the carrier element (31, 101, 201), wherein said carrier element (31, 101, 201) further comprises an electrical current suppression or blocking structure (39, 120, 220) between said front side (32, 102, 202) and said back side.
Abstract:
A method and system for setting the spatial situation of a mobile unit is provided. The mobile unit is moving with respect to a movement surface by means of at least one air pad (5, 6) and/or a motorized support structure, and the system (1A, 1B) comprises means (8, 9, 10) for setting an air feeding parameter of at least one such air pad (5, 6) or at least on position parameter for a motorized support structure, when the mobile unit (2) holds a position for which a spatial situation error is detected with respect to a predefined reference spatial situation.
Abstract:
A chuck (100) for holding a substrate or master electrode in an ECPR process is provided. The chuck comprises an interaction surface (101) for holding a master electrode or a substrate; a buffer surface (102) circumferentially of the interaction surface (101). The interaction surface (101) and the buffer surface (102) extend in substantially the same plane. At least one electrolyte injection mouth (103) is arranged in the buffer surface (102) and adjacent the interaction surface (101). A method of operating a filling of an ECPR chamber is also disclosed.
Abstract:
A chuck for holding a substrate or master electrode in an ECPR process is provided. The chuck has a proximal and a distal end, and comprises an interaction surface (205) for holding the substrate or master electrode positioned in a first plane, and holding means for holding the substrate or master electrode to said interaction surface (205). Leveling teeth (210) are arranged laterally and circumferentially of said interaction surface and extending distally of the interaction surface (205). The distal end points of said leveling teeth (210) define a second plane. The second plane is parallel to the first plane and positioned distally of the first plane.
Abstract:
An ECPR master electrode(10) and a method for providing such master electrode is provided. The master electrode comprises a carrier element (20) having an electrically conducting electrode surface(23) on a backside (21) and a topographical pattern (30) with an at least partly electrically insulating top (32) on a frontside (22) of said carrier element (20), said topographical pattern (30) is forming at least one electrochemical cell (34) in said carrier element, said electrochemical cell comprising a bottom (36) and at least one side wall (38), said bottom having an electrically conducting surface (40) being conductively connected to the electrically conducting electrode surface (23) on the back side (21) through the carrier element (20), wherein said at least one side wall (38) in said carrier element (20) is at least partly covered by an electrically insulating layer (42).
Abstract:
A chuck (100, 200, 500) for holding a master electrode (107, 207) or a substrate (111, 211) during an ECPR process is provided. The chuck comprises an interaction surface (102, 201) onto which the master electrode (107, 207) or the substrate (111, 211) is arranged, and attaching means (105, 205) for clamping said master electrode (107, 207) or said substrate (111, 211) to said interaction surface (102, 201) such that said master electrode (107, 207) or said substrate (111, 211) is conforming to the shape of said interaction surface (102, 201). Further, a method for bringing a master electrode in contact with a substrate in an ECPR process is provided. The method comprises the steps of arranging a master electrode or a substrate on a chuck, arranging a substrate or a master electrode on a second chuck, aligning said master electrode and said substrate such that a front side of said master electrode is at a distance from and facing a front side of said substrate, and bringing the front side of the master electrode into contact with the front side of the substrate by decreasing said distance such that a centre of the master electrode contacts a centre of the substrate, and continuously decreasing said distance while also continuously decreasing said convex shape.