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4688054 Liquid jet recording head  
A liquid jet recording head has a liquid passage communicated to the discharging outlet of the liquid provided on a substrate surface, said passage being formed by subjecting a layer of a resin...
4688052 Liquid jet recording head having a layer of a resin composition curable with an active energy ray  
A light jet recording head has a liquid passage communicated to the discharging outlet of the liquid provided on a substrate surface, said passage being formed by subjecting a layer of a resin...
4688056 Liquid jet recording head having a layer of a resin composition curable with an active energy ray  
A liquid jet recording head, having a liquid passage communicated to the discharging outlet of the liquid provided on a substrate surface, said passage being formed by subjecting a layer of a resin...
4658269 Ink jet printer with integral electrohydrodynamic electrodes and nozzle plate  
An electrohydrodynamic stimulated ink jet printing device and method of manufacture which eliminates the prior art problem of ink wetting the dielectric spacer between the stimulating electrode and...
4654676 Valve element for use in an ink-jet printer head  
A valve for an ink jet printer is made by vacuum depositing, sputtering, and plating various layers of metal on a glass substrate. A photoresist and etch technique is used to form a window area in...
4639748 Ink jet printhead with integral ink filter  
An ink jet printhead having an internal, integrated filtering system and fabricating process therefor is disclosed. Each printhead is composed of two parts aligned and bonded together. One part is...
4617088 Thermal head producing process  
A thermal head composed of an electrically insulative substrate, a resistive film made of TiO x (0<x<2) formed on the substrate, and an electrode made of a metal such as Au, Al, and Cu etc....
4612554 High density thermal ink jet printhead  
An ink jet printhead composed of substantially two identical parts and method of batch fabricating the parts. Each part has V-grooves anisotropically etched between a linear array of heating...
4609427 Method for producing ink jet recording head  
A method for producing an ink jet head by providing ink pathways formed from a photosensitive resin on a substrate surface and laminating a covering over said pathways comprises providing a...
4549188 Orifice plate for ink jet printer  
An orifice plate for an ink jet printer is disclosed. The orifice plate includes a plurality of sections of glass capillaries of equal length bonded vertically in a ceramic sheet in equidistant...
4536250 Method of making liquid jet recording head  
A method of making a liquid jet recording head having a liquid discharge section including orifice means for discharging the liquid to form flying droplets thereof and liquid passage means...
4528070 Orifice plate constructions  
Improved orifice plates such as, fluid jet orifice plates, photoetching masks or the like, include a substrate of highly corrosion resistant metal and a layer of an amorphous metal alloy, such as,...
4468282 Method of making an electron beam window  
A method of making an electron permeable window is provided which entails depositing a thin film of an inert, high strength material or compound having a low atomic number onto a substrate by...
4455561 Electron beam driven ink jet printer  
A new type of thermal ink jet print head is provided which is driven by an electron beam. The print head is constructed of an electron permeable thin film (electron window) which in one embodiment,...
4455192 Formation of a multi-nozzle ink jet  
A method for the formation of a multi-nozzle ink jet is herein disclosed. In this method a single crystal silicon plate is masked and impurities are diffused upon its surface, creating regions of...
4443292 Wear resistant electrode head for electrographic printers  
An electrographic printhead and a process for assembling same that results in decreased shorting between styli and increased resistance to wear from paper abrasion and further provides high...
4415403 Method of fabricating an electrostatic print head  
An electrostatic print head and method of fabrication therefor in which a head is provided having a precision high resolution array of styli of intended cross-section and an interconnect pattern...
4374707 Orifice plate for ink jet printing machines  
An orifice plate for use in ink jet printing machines is produced by an electroplating technique. The plate is bilaminar with nickel being plated onto copper to form a substantially rigid structure.
4298786 Thin film thermal print head  
A dielectric substrate for a thin film dot matrix thermal print head has its working surface etched or otherwise treated for selective removal of the dielectric material in all areas that are to...
4277548 Method of producing a charge plate for use in an ink recorder  
A process for the accurate generation and production of electrical lead lines and the like on a charge plate for use in an ink jet printing system is provided. In the process, a single master...
4206541 Method of manufacturing thin film thermal print heads  
A dielectric substrate for a thin film dot matrix thermal print head has its working surface etched or otherwise treated to selectively remove the dielectric material, in all areas which will...
4178197 Formation of epitaxial tunnels utilizing oriented growth techniques  
Epitaxial tunnels may be formed in crystalline bodies of crystalline materials by growth of the material on a substrate having two intersecting crystallographic planes that exhibit rapid epitaxial...
4169008 Process for producing uniform nozzle orifices in silicon wafers  
Nozzle plates for ink jet recording are produced by etching through silicon and like monocrystalline material wafers which frequently are non-uniform in thickness. The "100" plane surfaces of the...
4169032 Method of making a thin film thermal print head  
A thin film thermal print head is fabricated using radio frequency (rf) or direct current (DC) sputtering within a vacuum chamber into which is introduced a partial pressure of argon and nitrogen....
4157935 Method for producing nozzle arrays for ink jet printers  
Nozzle arrays for ink jet recording are produced by preferred chemical etching of a substrate material which frequently has a non-uniform thickness. The preferred substrate is a monocrystalline...
4106976 Ink jet nozzle method of manufacture  
A nozzle array structure for pressurized fluid jets includes a uniform deposited membrane having an array of uniform small orifices therein overlaying a planar substrate having an array of larger...
4096626 Method of making multi-layer photosensitive glass ceramic charge plate  
A method for fabricating a multi-layer laminated charge plate for an ink jet printer. The charge plate is produced by selectively etched layers of photosensitive glass. By exposure of the...
4066491 Method of simultaneously etching multiple tapered viaducts in semiconductor material  
Several tapered viaducts or through-holes of uniform size are simultaneously fabricated by etching in a dielectric plate or substrate. The viaducts, which are designed in particular for nozzles for...
4047184 Charge electrode array and combination for ink jet printing and method of manufacture  
A charge electrode array for use in an ink jet printing apparatus is formed by anisotropic etching of apertures through a single crystal silicon substrate of (110) orientation. Conductive diffusion...
4008111 AlN masking for selective etching of sapphire  
A method is disclosed for forming holes and depressions in aluminum oxide, including its sapphire form and spinels by etching using AlN as a maskant. This method is featured by the epitaxial...
4007464 Ink jet nozzle  
In an ink jet printing system, a single nozzle or an array of nozzles are etched in a semiconductor material such as silicon. Each nozzle has polygonal or N-sided entrance and exit apertures of...
3958255 Ink jet nozzle structure  
A nozzle array structure for pressurized fluid jets includes a uniform deposited membrane having an array of uniform small orifices therein overlaying a planar substrate having an array of larger...