摘要:
An apparatus for monitoring and adding solution to a plating bath and controlling the quality of deposited metal. At least one monitor monitors at least one condition within a plating bath and produces at least one signal corresponding to the at least one condition. At least one controller receives the at least one signal produced by the at least one monitor, processes the at least one signal, determines whether an additional amount of at least one chemical should be added to the plating bath, and controls at least one valve for controlling flow of the additional amount of the at least one chemical. A pre-mix tank pre-mixes chemicals to be added to the tank. A plurality of holding tanks holds chemicals and supplies the chemicals to the pre-mix tank. At least one valve is arranged between each holding tank and the pre-mix tank. At least one valve is also arranged between the pre-mix tank and the plating bath.
摘要:
A method of planarizing a layer of a workpiece such as a semiconductor wafer includes rotating the layer against an electrolytic polishing slurry and flowing an electrical current through the slurry and through only one major side and/or minor sides of the layer, to remove portions of the layer. The one major side carries no microelectronic components which might be damaged by the current. At least a part of each step of rotating and of flowing occurs simultaneously. An apparatus for planarizing a layer includes a rotatable workpiece carrier, a rotatable platen arranged proximately to the carrier, a polishing pad mounted on the platen, and workpiece electrodes. The workpiece electrodes are movably attached to the carrier so as to engage electrically the minor sides of a layer when a workpiece is held on the carrier.
摘要:
A process for electrolessly depositing cobalt-tin alloys with adjustable tin contents from 1 to over 25 atomic percent tin is disclosed. The deposited alloy is useful in the electronics and computer industries for device, chip interconnection and packaging applications. When used for chip interconnection applications, for example, the invention replaces the currently used complicated ball-limiting-metallurgy. The invention may also be used to inhibit hillock formation and electromigration in copper wire structures found in computers and micron dimension electronic devices.
摘要:
A method of and an apparatus for making a composite material is provided. The composite is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is able to be pitch, such as mesophase pitch. The physical property enhancing material is able to be fiber glass. The mixer is able to be processed through a lamination process, stabilization/cross-link process, and carbonization. The composite material is able to be applied in the field of electronic components and green technology, such as a substrate of a photovoltaic cell.
摘要:
A method of and an apparatus for making a composite material is provided. The composite is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is able to be pitch, such as mesophase pitch. The physical property enhancing material is able to be fiber glass. The mixer is able to be processed through a lamination process, stabilization/cross-link process, and carbonization. The composite material is able to be applied in the field of electronic components and green technology, such as a substrate of a photovoltaic cell.
摘要:
Methods of and apparatuses for making a photovoltaic cell are provided. The photovoltaic cell is able to have a substrate made of a composite material. The composite material is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is able to be pitch, such as mesophase pitch. The physical property enhancing material is able to be fiber glass. The substrate of the photovoltaic cell is able to be flexible, such that the photovoltaic cell is able to be applied on various surfaces.
摘要:
A method for forming an interconnection element having metalized structures includes forming metalized structures in an in-process unit that has a support material layer with first and second spaced-apart surfaces defining a thickness therebetween, a handling structure, and an insulating layer separating at least portions of the first surface of the support material layer from at least portions of the handling structure. The metalized structures are formed extending through the thickness of the support material layer. The method also includes etching at least a portion of the insulating layer to remove the handling structure from the in-process unit and further processing the in-process unit to form the interconnection element.
摘要:
An optical interposer includes grooves (310) for optical fiber cables (104) coupled to a transducer (120). The grooves are formed by etching a cavity (410) in a substrate (130), filling the cavity with some layer (520), then etching the layer to form the grooves. The cavity has outwardly sloped sidewalls on which mirrors (144) are later formed. The groove etch is selective not to damage the sidewalls. The groove depth is uniform due to high etch selectivity of the layer, and also because of good control over the cavity etch due to the low aspect ratio of the cavity. Electrical circuitry for connection to the transducer is fabricated after the cavity filling but before the groove etch. The cavity filling leaves the wafer planar, facilitating fabrication of the electrical circuitry. Grooves can be provided on top and bottom of the interposer. Other features are also provided.
摘要:
Methods of and apparatuses for making a photovoltaic cell are provided. The photovoltaic cell is able to have a substrate made of a composite material. The composite material is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is able to be pitch, such as mesophase pitch. The physical property enhancing material is able to be fiber glass. The substrate of the photovoltaic cell is able to be flexible, such that the photovoltaic cell is able to be applied on various surfaces.
摘要:
The present invention discloses methods for depositing a material, particularly a conductive material, in cavities of a substrate and forming bonding contacts or pads thereon. An intracavity structure may be utilized in conjunction with embodiments of the present invention to provide efficient filling of diverse cavities within the substrate. Also provided are embodiments for interconnection structures using filled cavities, along with electrically conductive or reactive structures which may include capacitors fabricated within a substrate.