Patent application number | Description | Published |
20090017248 | LAYERED BODY AND METHOD FOR MANUFACTURING THIN SUBSTRATE USING THE LAYERED BODY - Provided is a layered body including a substrate to be ground and a support, where the substrate may be ground to a very small (thin) thickness and can then be separated from the support without damaging the substrate. One embodiment is a layered body including a substrate to be ground, a joining layer having a curable acrylate polymer and a curable acrylate adhesion modifying agent in contact with the substrate to be ground, a photothermal conversion layer having a light absorbing agent and a heat decomposable resin, and a light transmitting support. After grinding the substrate surface which is opposite that in contact with the joining layer, the layered body is irradiated through the light transmitting layer and the photothermal conversion layer decomposes to separate the substrate and the light transmitting support. | 01-15-2009 |
20090087591 | LOW TEMPERATURE BONDING ELECTRONIC ADHESIVES - Provided are adhesive compositions comprising a mixture of a maleimide terminated polyimide resin, a thermoplastic resin compatible with the maleimide terminated polyimide resin, a liquid rubber, and a thermally activated free radical curing agent. Various embodiments add one or more of a silane coupling agent, an ethylenically unsaturated compound with acid functionality, electrically conductive particles, and electrically conductive scrim. Methods of using the compositions also are provided. | 04-02-2009 |
20090155596 | NOZZLE SEALING COMPOSITION AND METHOD - A method of applying a curable composition. The method includes providing a curable composition comprising about 10 to about 60 weight percent of one or more epoxy resins; about 20 to about 80 weight percent of one or more resins selected from polyester resins, ethyl vinyl acetate resins, thermoplastic resins, and acrylate resins; up to about 30 weight percent of one or more hydroxyl-containing compounds; and an initiator selected from a photoinitiator, a thermal initiator, and combinations thereof. The method further includes initiating cure of the curable composition. | 06-18-2009 |
20100056725 | DICING AND DIE ATTACH ADHESIVE - Provided is a single layer adhesive that provides the appropriate balance of adhesion and clean release required for a wafer dicing function and also provides the necessary bond required in a subsequent die attach step. The adhesive composition comprises an acrylate ester polymer having a functional group, a multi-functional thermosetting resin, wherein the acrylate ester polymer and the thermosetting resin are capable of reacting with each other, a multi-functional acrylate ester, an acrylate ester polymerization catalyst or curing agent, a thermally-latent catalyst suitable for curing the multi-functional thermosetting resin, and an acrylic acid salt. | 03-04-2010 |
20110064948 | DICING TAPE AND DIE ATTACH ADHESIVE WITH PATTERNED BACKING - Provided are a tape, apparatus, and method that relate generally to a single layer adhesive which functions as a dicing tape and also as a die attach adhesive for dicing thinned wafers and subsequent die attach operations of the diced chips in semiconductor device fabrication. The tape, apparatus, and method include a backing with a surface modification that includes a pattern. | 03-17-2011 |
20120034426 | ARTICLE AND METHOD FOR BONDING SUBSTRATES WITH LARGE TOPOGRAPHIES - The present invention is an article useful in the field of wafer processing, for example. The article includes a substrate, a leveling layer, a joining layer, a photothermal conversion layer and a temporary carrier. The substrate has a first major surface, a second major surface and at least one three dimensional topographical feature extending from the first major surface and having an initial step height. The leveling layer is positioned adjacent to the first major surface and reduces a topography of the substrate to between about 5% and about 95% of the initial step height. The joining layer is positioned adjacent to the leveling layer and further reduces the topography of the substrate to less than about 20% of the initial step height. The photothermal conversion layer is positioned adjacent to the joining layer and the temporary carrier is positioned adjacent the photothermal conversion layer. | 02-09-2012 |
20130084459 | LOW PEEL ADHESIVE - A curable adhesive composition is disclosed comprising: at least one free radically polymerizable oligomer component; optionally at least one diluent monomer; at least one perfluorinated ether monomer; and a photoinitiator. The curable liquid adhesive is easily removable with low force and low adhesive transfer. | 04-04-2013 |
20130295311 | CURABLE COMPOSITION, ARTICLES COMPRISING THE CURABLE COMPOSITION, AND METHOD OF MAKING THE SAME - A curable composition includes polyepoxide, high-melting metal particles having a melting point above 300° C., low-melting metallic particles having a melting point of less than or equal to 300° C., and a fluxing curing agent comprising a fluxing curing agent comprising: a hydroxyalkyl-substituted tertiary amine, and at least one diacid compound represented by the formula: | 11-07-2013 |
20140217622 | Semiconductor Package Resin Composition and Usage Method Thereof - A semiconductor package resin composition of the present invention includes an epoxy resin, a curing agent, inorganic particles, nano-particles surface treated with a silane that contains a photopolymerizable functional group, and a photopolymerization initiator. | 08-07-2014 |
20150017434 | APPARATUS, HYBRID LAMINATED BODY, METHOD, AND MATERIALS FOR TEMPORARY SUBSTRATE SUPPORT - A hybrid laminated body is provided that includes a light-transmitting support, a latent release layer disposed upon the light-transmitting support, a joining layer disposed upon the latent release layer, and a thermoplastic priming layer disposed upon the joining layer. The hybrid laminated body can further include a substrate to be processed such as, for example, a silicon wafer to be ground. Also provided is a method for manufacturing the provided laminated body. | 01-15-2015 |
20150034238 | LAMINATE BODY, METHOD, AND MATERIALS FOR TEMPORARY SUBSTRATE SUPPORT AND SUPPORT SEPARATION - A laminate body, method, and materials for temporary substrate support are provided. The laminate body can hold N and protect thin, brittle substrates such as flexible glass or thin semiconductor wafers during further processing such as vapor deposition or thinning by grinding. The provided laminate body, in one embodiment, includes a support, a release layer disposed upon the support, a joining layer disposed upon and in contact with the release layer, and a substrate disposed upon and in contact with the joining layer. The release layer can include an acrylic adhesive and an adhesion modifying agent. | 02-05-2015 |