摘要:
The invention provides low-emissivity coatings that are highly reflective of infrared radiation. The coating includes three infrared-reflection film regions, which may each comprise silver.
摘要:
The invention provides a coater, and methods of using the coater, for depositing thin films onto generally-opposed major surfaces of a sheet-like substrate. The coater has a substrate transport system adapted for supporting the substrate in a vertical-offset configuration wherein the substrate is not in a perfectly vertical position but rather is offset from vertical by an acute angle. The transport system defines a path of substrate travel extending through the coater. The transport system is adapted for conveying the substrate along the path of substrate travel. Preferably, the transport system includes a side support for supporting a rear major surface of the substrate. The preferred side support bounds at least one passage through which coating material passes when such coating material is deposited onto the substrate's rear major surface. Preferably, the coater includes at least one coating apparatus (e.g., which is adapted for delivering coating material) on each of two sides of the path of substrate travel. The coating apparatuses preferably are adapted for depositing coatings onto both of the generally-opposed major surfaces of the substrate in a single pass of the substrate along the path of substrate travel.
摘要:
A coater having a substrate cleaning device is disclosed. Also disclosed are methods of processing substrates in a coater equipped with a substrate cleaning device. The substrate cleaning device comprises an ion gun (i.e., an ion source) that is positioned beneath a path of substrate travel (e.g., beneath a substrate support) extending through the coater and that is adapted for treating a bottom major surface of a substrate. Certain embodiments involve an upward coating apparatus that is further along the path of substrate travel than the substrate cleaning device. In some embodiments of this nature, the upward coating apparatus is configured for depositing a photocatalytic coating upwardly onto the bottom major surface of the substrate. Certain embodiments of the invention involve a downward coating apparatus, wherein the substrate cleaning device is further along the path of substrate travel than the downward coating apparatus. Some embodiments of this nature also involve an upward coating apparatus that is further along the path of substrate travel than the substrate cleaning device.
摘要:
A nonstick transport roller is provided, the roller having an outer surface defined by a thickness of nonstick material. A rope can optionally be wound around the outer surface of the roller to define an elevated support for engaging a major substrate surface. A vacuum deposition chamber for applying thin films onto substrates is also provided, the chamber having a cavity in which a controlled vacuous environment can be established, the chamber including a series of transport rollers, at least one of the transport rollers comprising a cylindrical tube having an outer surface defined by a thickness of nonstick material, optionally with a rope wound around the tube to define an elevated support for engaging a bottom major surface of a substrate.
摘要:
The invention provides low-emissivity coatings that are highly reflective of infrared radiation. The coating includes three infrared-reflection film regions, which may each comprise silver.
摘要:
The invention provides thin film coatings that have a transparent base layer. For example, the invention provides low-emissivity coatings with a transparent base layer. In certain embodiments, a silicon dioxide base layer is used. Methods of producing thin film coatings having a transparent base layer are provided as well. In one embodiment, sputter deposition is utilized to produce these coatings.
摘要:
The present invention provides a magnetron sputtering system using a gas distribution system which also serves as a source of anodic charge to generate plasma field. The sputtering system is comprised of a vacuum chamber, a cathode target of sputterable material, a power source which supplies positive and negative charge, and a gas distribution system. The gas distribution system may comprise a simple perforated gas delivery member, or it may comprise a perforated gas delivery member with an attached conductive anodic surface. The gas delivery member may also contain an inner conduit with further perforations which serves to baffle flow of the sputtering gas. Gas flow may be regulated within discrete portions of the gas distribution system. The anodic surfaces of the gas distribution system are cleaned through the action of plasma and gas flow, creating a more stable plasma and reducing the need for maintenance.
摘要:
Improved sputtering chambers for sputtering thin coatings onto substrates. One sputtering chamber includes spall shields which are disposed inwardly and upwardly toward the chamber interior and toward the sputtering targets, and which can aid in the retention of overcoated sputtering material which may otherwise fall onto substrates to be coated. Another sputtering chamber includes targets having magnets which are turned inwardly relative to vertical and toward each other. The inward rotation of the magnets can serve to deposit more material toward the open bottom center of the chamber, and less toward the side walls of the chamber. Yet another sputtering chamber includes a third target disposed between and upward of the lower two targets so as to shield a portion of the sputtering chamber interior from material sputtered from the first and second targets. Some chambers have the three targets forming a triangle, for example, an isosceles or equilateral triangle. In one chamber having such a triangular configuration of sputtering targets, the first and second targets form the base of an isosceles triangle and have their magnets oriented inwardly relative to vertical and towards each other. The sputtering chambers provided can either reduce the amount of overcoat sputtering material deposited onto the interior of the chamber and/or aid in retention of overcoat sputtering material which would otherwise fall onto substrates to be coated.
摘要:
In some embodiments, the invention includes a cylindrical cathode target assembly for use in sputtering target material onto a substrate that comprises a generally cylindrical target, means for rotating the target about its axis during a sputtering operation, an elongated magnet carried within the target for generation of a plasma-containing magnetic field exterior to but adjacent the target, a framework for supporting the magnet against rotation within the target, and a power train for causing the magnet to oscillate within and axially of the target in a substantially asynchronous manner to promote generally uniform target utilization along its length, as well as its method of use. In some embodiments, the magnet is oscillated in response to rotation of the target.
摘要:
A transport car open at the top and supported on rollers moves a substrate from a first coating chamber to a second coating chamber separated by a gate 7 running transversely of the direction of movement of the transport car 5. The gate 7 is formed of an upper gate part 8 and a lower gate part 9 forming a slot 10 which is adaptable to the cross section of the car. A cover associated with the top gate part and parallel to the direction of movement has an area greater than the car in order to minimize gas transfer between chambers.