Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: A method of fabricating identifiable flexible printed circuit board (PCB) disposed to an inkjet cartridge includes, providing a flexible substrate having a first surface. A conductive layer is formed on the first surface. A printing ink layer is coated over the first surface. The printing ink layer is exposed and developed to uncover parts of the conductive layer and form at least one identifiable area on the printing ink layer.

Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: A highly bleed-alleviating ink composition including at least one colorant, an aqueous media, a linear diol, and a humectant. The main feature of the ink composition is the addition of the linear diol. When the ink composition is applied in ink-jet printing, not only is the bleeding between black ink and color ink alleviated, but also water-fastness and printing quality are improved.

Abstract: A process of forming a flexible circuit board for ink jetting is provided. The process includes the steps of: providing an insulation tape; forming conductive traces on the insulation tape; and forming a photo-polymer layer filling between the conductive traces, wherein parts of the conductive traces are exposed to form a plurality of contacts. The material of the insulation tape can be polyimide, Teflon, polyamide, polymethylmethacrylate, polycarbonate, polyester, polyamide polyethylene-terephthalate copolymer, or any combination of the above materials. The material of the photo-polymer layer can be solder mask or polyimide.

Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: An inkjet print cartridge and a method of identifying the colors of ink contained therein by a color flexible PCB are disclosed. The inkjet cartridge includes a casing and a flexible printed circuit board (PCB). The casing has an ink reservoir for containing ink. The flexible PCB, disposed to the casing, includes a flexible substrate, a conductive trace, and a printing ink layer, wherein the flexible substrate has a first surface, and the conductive trace is formed thereon. The printing ink layer is formed on the first surface of the flexible substrate, and the first surface is partially covered by the printing ink layer to bare parts of the conductive trace. Also, at least one identifiable area is formed at the printing ink layer for identification, wherein the color of the identifiable area is associated with the color of ink in the ink reservoir.

Abstract: An inkjet apparatus and a method of preventing misplacing the inkjet cartridge therein are disclosed. The inkjet apparatus comprises a carriage, a control unit and a sensor. The carriage is equipped with at least an inkjet cartridge that has an identifiable area. The color of the identifiable area is associated with the colors of ink stored in the inkjet cartridge. The sensor detects the color of the identifiable area and sends a signal to the control unit. The control unit receives the signal and determines whether the inkjet cartridge is correctly placed. If the inkjet cartridge is misplaced, a warning signal is generated to alert the user.

Abstract: A process of forming a flexible circuit board for ink jetting is provided. The process includes the steps of: providing an insulation tape; forming conductive traces on the insulation tape; and forming a photo-polymer layer filling between the conductive traces, wherein parts of the conductive traces are exposed to form a plurality of contacts. The material of the insulation tape can be polyimide, Teflon, polyamide, polymethylmethacrylate, polycarbonate, polyester, polyamide polyethylene-terephthalate copolymer, or any combination of the above materials. The material of the photo-polymer layer can be solder mask or polyimide.

Abstract: A process of forming a flexible circuit board for ink jetting is provided. The process includes the steps of: providing an insulation tape; forming conductive traces on the insulation tape; and forming a photo-polymer layer filling between the conductive traces, wherein parts of the conductive traces are exposed to form a plurality of contacts. The material of the insulation tape can be polyimide, Teflon, polyamide, polymethylmethacrylate, polycarbonate, polyester, polyamide polyethylene-terephthalate copolymer, or any combination of the above materials. The material of the photo-polymer layer can be solder mask or polyimide.

Abstract: A fragrant ink-jet ink including: a fragrant agent, a surfactant, wherein a boiling point of the surfactant is above 78° C. and a Hydrophilic Lipophilic Balance (HLB) of the surfactant is in a range of about 5 to 16, a colorant, and a solvent. The fragrant agent can be a natural fragrant agent, a synthetic fragrant agent or a mixture thereof. The amount of the fragrant agent is about 0.01 wt % to 10.0 wt %.

Abstract: An inkjet ink of multicolor dye set with high light-fastness and high water-fastness includes: a multicolor dye set, a surfactant, and an aqueous solvent. The multicolor dye set includes a cyan dye set, a magenta dye set, and a yellow dye set. The cyan dye set includes direct blue 199 dye, acid blue 9 dye, and direct blue 86 dye. The magenta dye set includes reactive red 180 dye, acid red 52 dye, and reactive red dye. The yellow dye set includes acid yellow 23 and direct yellow 86 dye. When the multicolor dye set of the invention is applied in ink-jet printing process, the high-quality printed image possesses great light-fastness and water-fastness high chroma, broad color gamut.

Abstract: A water-soluble dye set used in thermal bubble color ink-jet printers. The dye set has high water-fastness and includes (a) Direct Blue 199 dye and Acid Blue 9 dye; (b) Reactive Red 180 dye, Acid Red 52 dye, and Direct Red 75 dye; and (c) Direct Yellow 132 dye and Acid Yellow 5 dye. The dye set of the present invention has improved heat stability and storage stability when used in thermal bubble ink-jet printers. In addition, the dye set has special viscosity, good surface tension, and high water resistance, greatly improving printing properties.

Abstract: A process of forming a flexible circuit board for ink jetting is provided. The process includes the steps of: providing an insulation tape; forming conductive traces on the insulation tape; and forming a photo-polymer layer filling between the conductive traces, wherein parts of the conductive traces are exposed to form a plurality of contacts. The material of the insulation tape can be polyimide, Teflon, polyamide, polymethylmethacrylate, polycarbonate, polyester, polyamide polyethylene-terephthalate copolymer, or any combination of the above materials. The material of the photo-polymer layer can be solder mask or polyimide.

Abstract: A jet ink of magenta comprising reactive red 180, acid red 52, and reactive red is disclosed in the present invention, wherein the said jet ink of magenta has the advantages of decreasing the color-fading phenomenon due to water exposure and light irradiation. Therefore, the properties of light-fastness and water-fastness are improved greatly, and thus, so is the printing quality.

Abstract: An ink-jet ink of multicolor dye set with high light-fastness comprises: a multicolor dye set, a surfactant, and an aqueous solvent. The multicolor dye set includes a cyan dye set, a magenta dye set, and a yellow dye set. The cyan dye set comprises direct blue 199 dye, acid blue 9 dye, and direct blue 86 dye. The magenta dye set comprises reactive red 180 dye, acid red 52 dye, and reactive red dye. The yellow dye set comprises acid yellow 23 and Milliken Palmer yellow R dye. When the multicolor dye set of the invention is applied in ink-jet printing process, the high-quality printed image possesses high light-fastness, high chroma, broad color gamut.

Abstract: The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer, and a printing ink layer. First, the conductive layer is formed over a surface of the flexible substrate. Second, the printing ink layer is formed on the surface of the flexible substrate by coating, exposing, and developing to uncover parts of the conductive layer. Also, at least one identifiable area is formed on the printing ink layer and one can easily and correctly identify the cartridge with the flexible PCB.

Abstract: An inkjet print cartridge and a method of identifying the colors of ink contained therein by a color flexible PCB are disclosed. The inkjet cartridge includes a casing and a flexible printed circuit board (PCB). The casing has an ink reservoir for containing ink. The flexible PCB, disposed to the casing, includes a flexible substrate, a conductive trace, and a printing ink layer, wherein the flexible substrate has a first surface, and the conductive trace is formed thereon. The printing ink layer is formed on the first surface of the flexible substrate, and the first surface is partially covered by the printing ink layer to bare parts of the conductive trace. Also, at least one identifiable area is formed at the printing ink layer for identification, wherein the color of the identifiable area is associated with the color of ink in the ink reservoir.

Abstract: An inkjet apparatus and a method of preventing misplacing the inkjet cartridge therein are disclosed. The inkjet apparatus comprises a carriage, a control unit and a sensor. The carriage is equipped with at least an inkjet cartridge that has an identifiable area. The color of the identifiable area is associated with the colors of ink stored in the inkjet cartridge. The sensor detects the color of the identifiable area and sends a signal to the control unit. The control unit receives the signal and determines whether the inkjet cartridge is correctly placed. If the inkjet cartridge is misplaced, a warning signal is generated to alert the user.