Patent application number | Description | Published |
20080199981 | METHOD FOR FORMING A FLUID EJECTION DEVICE - A method of forming a fluid ejection device includes forming a pair of first glass layers and forming a second glass layer. Each first glass layer includes a first side and a second side with the second side defining a first fluid flow structure. The second glass layer includes a first side and a second side opposite the first side, with each respective first side and second side defining a second fluid flow structure. The second glass layer is bonded in a sandwiched position between the respective first glass layers with each respective second fluid flow structure of the second glass layer in fluid communication with the respective first fluid flow structure of the respective first glass layers to define a fluid flow pathway for ejecting a fluid. | 08-21-2008 |
20080259125 | MICROFLUIDIC DEVICE AND A FLUID EJECTION DEVICE INCORPORATING THE SAME - A microfluidic device includes first and second glass substrates bonded together. The first glass substrate has first and second opposed surfaces. A die pocket is formed in the first opposed surface, and a through slot extends from the die pocket to the second opposed surface. The second glass substrate is bonded to the second opposed surface of the first glass substrate whereby an outlet of a channel formed in the second glass substrate substantially aligns with the through slot. The channel of the second glass substrate has an inlet that is larger than the outlet. | 10-23-2008 |
20080272446 | Packaged MEMS device assembly - A packaged micro-electromechanical systems (MEMS) device assembly includes a MEMS device, a substrate within which the MEMS device is disposed, and a lid disposed over the substrate. The assembly may include one or more first cavities within the lid having a predetermined volume satisfying packaging specifications for the packaged MEMS device assembly. The assembly may include one or more second cavities within the lid and one or more corresponding overflow areas within the lid, where each second cavity contains a material and each corresponding overflow area is adapted to catch overflow of the material. The assembly may include one or more third cavities within the lid and one or more channels within one of the substrate and the lid to fluidically connect the MEMS device to the third cavities. | 11-06-2008 |
20080280398 | System And Method For Direct Bonding Of Substrates - A method of forming a MEMS (Micro-Electro-Mechanical System), includes forming an ambient port through a MEMS cap which defines a cavity containing a plurality of MEMS actuators therein; and bonding a lid arrangement to the MEMS cap to hermetically seal the ambient port. | 11-13-2008 |
20080309743 | Fluid manifold for fluid ejection device - A fluid manifold for a fluid ejection device including a plurality of fluid feed slots includes a first layer and a second layer adjacent the first layer, and a first fluid routing and a second fluid routing each provided through the first layer and the second layer. The fluid ejection device is supported by the second layer, and the first fluid routing is communicated with one of the fluid feed slots, and the second fluid routing is communicated with an adjacent one of the fluid feed slots. A pitch of the first fluid routing and the second fluid routing through the first layer is greater than a pitch of the fluid feed slots, and the first fluid routing and the second fluid routing each include a first channel oriented substantially parallel with the fluid feed slots and a second channel oriented substantially perpendicular to the fluid feed slots. | 12-18-2008 |
20090014850 | Electrically Connecting Substrate With Electrical Device - A substrate is electrically connected with an electrical device mounted on the substrate. A ball bond is formed between a first end of a wire and a bonding pad of the substrate. A reverse-motion loop is formed within the wire. A bond is formed between a second end of the wire and a bonding pad of the electrical device. | 01-15-2009 |
20090256882 | Bonded structures formed by plasma enhanced bonding - An electronic device comprises a substrate comprising a first surface and a second surface, a substrate carrier comprising a first surface and a second surface, and an inorganic material bonding the second surface of the substrate and the second surface of the substrate carrier. | 10-15-2009 |
20100259583 | METHOD FOR FORMING A FLUID EJECTION DEVICE - A method of forming a fluid ejection device includes forming a pair of first glass layers and forming a second glass layer. Each first glass layer includes a first side and a second side with the second side defining a first fluid flow structure. The second glass layer includes a first side and a second side opposite the first side, with each respective first side and second side defining a second fluid flow structure. The second glass layer is bonded in a sandwiched position between the respective first glass layers with each respective second fluid flow structure of the second glass layer in fluid communication with the respective first fluid flow structure of the respective first glass layers to define a fluid flow pathway for ejecting a fluid. | 10-14-2010 |
20110025782 | MICROFLUIDIC DEVICE AND A FLUID EJECTION DEVICE INCORPORATING THE SAME - A microfluidic device includes first and second substrates bonded together. The first substrate has first and second opposed surfaces. A die pocket is formed in the first opposed surface, and a through slot extends from the die pocket to the second opposed surface. The second substrate is bonded to the second opposed surface of the first substrate whereby an outlet of a channel formed in the second substrate substantially aligns with the through slot. The channel of the second substrate has an inlet that is larger than the outlet. | 02-03-2011 |
20110084997 | DETERMINING A HEALTHY FLUID EJECTION NOZZLE - A method of determining a healthy fluid ejection nozzle includes measuring changes in impedance across the nozzle as fluid passes through it. A printhead includes a metal probe that intersects an ink nozzle and an integrated circuit to sense a change in impedance across the nozzle through the metal probe. | 04-14-2011 |
20120012963 | MICRO DEVICE PACKAGING - In one embodiment, a method for making an optical micro device package includes: providing a substrate wafer having a plurality of solid state light sensors integrate therein; providing a transparent cover wafer coated with a material that alters the transparency characteristics of the cover wafer; forming a layer of light sensitive, photo definable adhesive material on the substrate wafer; selectively removing part of the layer of adhesive material in a pattern for a plurality of adhesive spacers between the substrate wafer and the cover wafer with each spacer surrounding a corresponding one of the light sensors; bonding the substrate wafer and the cover wafer together at the spacers to form a wafer assembly in which each spacer surrounds and seals a corresponding one of the light sensors within a cavity bounded by a spacer and the two wafers; and singulating individual device packages from the wafer assembly. | 01-19-2012 |
20120019597 | INKJET PRINTHEAD WITH CROSS-SLOT CONDUCTOR ROUTING - An inkjet printhead includes a substrate having an ink slot formed through its center. Integrated circuitry is formed on both a first side and a second side of the center ink slot. A conductor trace is routed across the ink slot to provide electrical communication between the integrated circuitry on the first and second sides of the slot. | 01-26-2012 |
20130162717 | FLUID NOZZLE ARRAY - A method for fabricating a fluid nozzle array includes forming a circuitry layer onto a substrate, the substrate comprising a stopping layer disposed between a membrane layer and a handle layer, forming a fluid feedhole extending from a surface of the membrane layer to the stopping layer, and forming a fluid supply trench extending from a surface of the handle layer to the stopping layer. A fluid nozzle array includes a substrate including a membrane layer, a stopping layer adjacent to the membrane layer, a handle layer adjacent to the stopping layer, and a set of fluid chambers disposed on a surface of the membrane layer above and along a width of a fluid supply trench extending from a surface of the handle layer to the stopping layer. | 06-27-2013 |
20130320198 | DROP DETECTION - A drop detector assembly is provided including an ejection element to eject a fluid drop, a light guide to selectively receive light scattered off of the fluid drop, and a light detector formed in the light guide to detect light received by the light guide. | 12-05-2013 |
20140106142 | ADHESIVE TRANSFER - An adhesive transfer method includes depositing an adhesive on a first substrate, transferring a layer of the adhesive from the first substrate to an intermediate substrate, and transferring adhesive from the layer of the adhesive to at least one area of a second substrate. | 04-17-2014 |
20140322892 | MULTI-WAFER PAIR ANODIC BONDING APPARATUS AND METHOD - An electric field concurrently anodically bonds together wafers of each of a plurality of independent wafer pairs. | 10-30-2014 |