Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8187480 | Ultra thin alignment walls for di-block copolymer Methods comprising providing a pre-patterned substrate having an array of thick walls, depositing a conforming layer on the pre-patterned substrate, etching the conforming layer from the top of the thick walls and the space between the walls, and etching the thick w... | 05/29/2012 |
| 8182705 | Method for producing thin film magnetic head having magnetoresistive effect element A method for producing a thin film magnetic head including a magnetoresistive effect element (MR element) that has a magnetic sensor multi-layered film with a polygonal shape such that a vertex angle faces an air bearing surface (ABS) and a tip of the vertex angle i... | 05/22/2012 |
| 8182704 | Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head A thin-film magnetic head structure has a configuration adapted to manufacture a thin-film magnetic head configured such that a main magnetic pole layer including a magnetic pole tip on a side of a medium-opposing surface opposing a recording medium, a write shield ... | 05/22/2012 |
| 8173029 | Magnetic recording medium manufacturing method According to one embodiment, a cured first ultraviolet-curing resin material layer having a first three-dimensional pattern is formed on a first principal surface of a magnetic recording medium having a central hole. A cured second ultraviolet-curing resin material ... | 05/08/2012 |
| 8173028 | Method of manufacturing magnetic head for perpendicular magnetic recording including two side shields A magnetic head includes a pole layer, first and second side shields, and an encasing layer having first to third grooves that accommodate the pole layer and the first and second side shields. A manufacturing method for the magnetic head includes the step of forming... | 05/08/2012 |
| 8163186 | Method of manufacturing magnetic head, and magnetic head sub-structure A method of manufacturing magnetic heads comprises the step of: fabricating a magnetic head substructure by forming a plurality of components of the magnetic heads on a single substrate, wherein a plurality of rows of pre-head portions that will be the respective ma... | 04/24/2012 |
| 8163185 | Method and apparatus for lifting off photoresist beneath an overlayer A method of lifting off photoresist beneath an overlayer includes providing a structure including photoresist and depositing an overlayer impenetrable to a liftoff solution over the photoresist and a field region around the structure. The method also includes formin... | 04/24/2012 |
| 8142671 | Method to fabricate a damped suspension assembly A method to fabricate a damped suspension assembly includes providing a suspension assembly including a mounting plate, a bend region, and a load beam. A first thinned area of the load beam is partially-etched. The bend region does not include the first thinned area... | 03/27/2012 |
| 8137570 | Additive write pole process for wrap around shield A method for manufacturing a magnetic write head having a wrap around magnetic trailing shield and a very narrow track width. A magnetic write pole is formed by forming a mask over a magnetic write pole material and performing a first ion milling to define the write... | 03/20/2012 |
| 8137571 | Method for manufacturing perpendicular magnetic recording head Embodiments of the present invention help to provide a method for manufacturing a perpendicular magnetic recording head including a main magnetic pole having a width that does not generally vary. According to one embodiment, a magnetic film, a first inorganic mask f... | 03/20/2012 |
| 8119018 | Magnetoresistive effect element manufacturing method and multi-chamber apparatus for manufacturing magnetoresistive effect element A magnetoresistive effect element manufacturing method includes a first step of preparing a magnetoresistive effect element including a magnetic film and a substrate, a second step of etching a predetermined region of the magnetic film by a reactive ion etching meth... | 02/21/2012 |
| 8119017 | Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks The invention is a method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks. The method uses conventional optical or e-beam lithography to form a pattern of generally radial stripes on a substrate, with the stripes being... | 02/21/2012 |
| 8110119 | Method of manufacturing a magnetic sensor with tilted magnetoresistive structures A method of manufacturing a magnetic field sensor device in one embodiment includes applying a mask on a substrate, performing a wet etching procedure on the substrate for generating at least a first groove having tilted side walls, and depositing at least one layer... | 02/07/2012 |
| 8092698 | Methods of forming semiconductor devices formed by processes including the use of specific etchant solutions The present invention provides etchant solutions including deionized water and an organic acid having a carboxyl radical and a hydroxyl radical. Methods of forming magnetic memory devices are also disclosed. ... | 01/10/2012 |
| 8088295 | Diamond-like carbon (DLC) hardmask and methods of fabrication using same A method according to one embodiment comprises forming a thin film layer; forming a hardmask layer above the thin film layer, the hardmask layer comprising laminated layers of diamond-like carbon; removing a portion of the hardmask layer; and removing a portion of t... | 01/03/2012 |
| 8083955 | Selective chemical etch method for MRAM freelayers An etching process is employed to selectively pattern an exposed magnetic layer of a magnetic thin film structure. The etching process generally includes selectively patterning a magnetic film structure comprises providing a magnetic structure comprising at least on... | 12/27/2011 |
| 8080167 | Shaping method of thin film and manufacturing method of perpendicular recording magnetic head using the same The present invention relates to a shaping method of a thin film layer and a manufacturing method of a perpendicular recording magnetic head using the same. In the thin film layer shaping method according to the present invention, since a second thin film of a lower... | 12/20/2011 |
| 8070967 | Method for manufacturing patterned magnetic recording medium A method for manufacturing a patterned magnetic recording medium that allows processing only required sites with high precision, in a dry etching process during formation of an uneven pattern in an interlayer. The method includes forming sequentially, on a substrate... | 12/06/2011 |
| 8070968 | Ultraviolet-curable resin material for pattern transfer and magnetic recording medium manufacturing method using the same According to one embodiment, this invention uses an ultraviolet-curable resin material for pattern transfer containing 80 to 95 wt % of isobornyl acrylate, 1 to 20 wt % of trifunctional acrylate, and 0.5 to 6 wt % of a polymerization initiator. ... | 12/06/2011 |
| 8066892 | Method for manufacturing a perpendicular magnetic write head with a wrap around shield A method for manufacturing a write pole for a perpendicular magnetic write head. The method employs a damascene process to construct the write pole with a very accurately controlled track width. The method includes depositing a layer of material that can be readily ... | 11/29/2011 |
| 8066893 | Method for creating a magnetic write pole having a stepped perpendicular pole via CMP-assisted liftoff A method for manufacturing a magnetic write head having a stepped, recessed, high magnetic moment pole connected with a write pole. The stepped pole structure helps to channel magnetic flux to the write pole without leaking write field to the magnetic medium. This a... | 11/29/2011 |
| 8057689 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses ... | 11/15/2011 |
| 8048323 | Method for manufacturing magnetic recording medium and magnetic recording and reproducing apparatus A method for manufacturing a magnetic recording medium (30) having magnetically separate magnetic recording patterns on at least one surface of a nonmagnetic substrate (1), includes the steps of forming a magnetic layer (2) on the nonmagnetic su... | 11/01/2011 |
| 8043516 | Method of manufacturing magnetic recording medium and magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming protruded magnetic patterns on a substrate, depositing a nonmagnetic material in recesses between the magnetic patterns and on the magnetic patterns, and etching back... | 10/25/2011 |
| 8043515 | Thin film magnetic head and manufacturing method thereof A thin film magnetic head has a configuration in which a main magnetic pole film having a magnetic pole end portion on a medium opposing surface (ABS) side facing a magnetic disk, a write shield film facing the magnetic pole end portion so as to form a recording gap... | 10/25/2011 |
| 8029682 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses ... | 10/04/2011 |
| 8021560 | Method for producing a radiation-absorbing optical element and corresponding radiation absorbing optical element In a process for the fabrication of a radiation-absorbing optical element that contains a substrate (1) of plastic, a layer with a graduated refractive index (4) is fabricated on at least one surface (2) of the substrate (1) using a plasm... | 09/20/2011 |
| 8017023 | Method of manufacturing magnetic recording medium and magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses, and partially etching the magnetic record... | 09/13/2011 |
| 8012361 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses ... | 09/06/2011 |
| 8002997 | Method of manufacturing magnetic recording medium and magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a resist on a magnetic recording layer, imprinting a stamper to the resist to transfer patterns of protrusions and recesses, and partially etching the magnetic record... | 08/23/2011 |
| 7993536 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist film on a magnetic recording layer, imprinting a stamper on the resist film to transfer patterns of recesses and pr... | 08/09/2011 |
| 7985346 | Method for preventing fencing during process of forming an air-bearing surface on a slider substrate The invention provides a method for preventing fencing during process of forming an ABS on a slider substrate includes the steps of: (a) providing a slider substrate having a photo-resist covered thereon, the photo-resist having a plurality of trenches developed the... | 07/26/2011 |
| 7972523 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a magnetic recording layer, an oxidation inhibiting layer, a hard mask layer includes carbon on a substrate, coating the hard mask layer with a resist, transferring p... | 07/05/2011 |
| 7967993 | Method of manufacturing magnetic recording medium According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a hard mask and a resist on a magnetic recording layer, imprinting a stamper on the resist to transfer patterns of protrusions and recesses, removing resist residues ... | 06/28/2011 |
| 7947188 | Method for manufacturing CPP-type magnetoresistance effect element A method for manufacturing a thin film magnetic head includes a step for forming an MR layered body; a step for forming a first sacrificial layer made of material removable by wet etching, and subsequently, forming a cap layer on the upper surface of the first sacri... | 05/24/2011 |
| 7910011 | Method of manufacturing magnetic head for perpendicular magnetic recording A magnetic head includes: a pole layer including a track width defining portion and a wide portion; and an encasing layer disposed on a bottom forming layer and having a groove that accommodates the pole layer. The groove includes a first portion for accommodating a... | 03/22/2011 |
| 7892442 | Method of manufacturing a thin-film magnetic head, thin-film magnetic head manufacturing apparatus, and thin-film magnetic head manufacturing system A method of manufacturing a thin-film magnetic head works a part to be worked to a target length by carrying out an etching process on an object to be worked using an etching apparatus. The method carries out a measuring process that measures a length before working... | 02/22/2011 |
| 7867406 | Patterned magnetic media having an exchange bridge structure connecting islands Patterned magnetic recording media and associated methods of fabrication are described. The patterned magnetic recording media includes a perpendicular magnetic recording layer that is patterned into a plurality of discrete magnetic islands. The patterned magnetic r... | 01/11/2011 |
| 7837885 | Air bearing design with a flatter pitch profile for reducing particle TAs An embodiment of the present invention is an ABS design with a pitch ladder feature. This embodiment has an air flow squeezing channel which consists of one airflow blocker and three etching steps. The airflow blocker can be used to limit the incoming air flow from ... | 11/23/2010 |
| 7824562 | Method of reducing an etch rate A method of fabricating a bit patterned storage medium includes obtaining a substrate having a magnetic layer and forming a mask over the magnetic layer. The magnetic layer is etched through the mask using a reactive ion etch. The etch rate of the mask is reduced by... | 11/02/2010 |
