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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8070369 | Large diameter optical waveguide splice Techniques and systems suitable for performing low-loss fusion splicing of optical waveguide sections are provided. According to some embodiments, multiple laser beams (from one or more laser) may be utilized to uniformly heat a splice region including portions of t... | 12/06/2011 |
| 8011835 | Apparatus and method for thermal connection of optical waveguides A splicer comprises a positioning device, in which the fiber ends in general have a residual offset. A memory stores a predetermined relationship between the possible offset and a parameter which controls the application of heat. The parameter which controls the app... | 09/06/2011 |
| 7985029 | Multi-electrode system with vibrating electrodes A multi-electrode system includes a fiber holder that holds at least one optical fiber, a plurality of electrodes arranged to generate a heated field to heat the at least one optical fiber, and a vibration mechanism that causes at least one of the electrodes from th... | 07/26/2011 |
| 7985028 | Optical fiber splicing technique and optical member unit According to an optical fiber splicing technique in which optical fibers F11 and F12 respectively connected to optical members 3 and 4 of an optical member unit are connected by fusion splicing, the plurality of optical fibers F11 ... | 07/26/2011 |
| 7922400 | Multi-electrode system A multi-electrode system comprises a fiber support configured to hold at least one optical fiber and a set of electrodes disposed about the at least one optical fiber and configured to generate arcs between adjacent electrodes to generate a substantially uniform hea... | 04/12/2011 |
| 7748913 | Fusion splicing structure of optical fibers The present invention is a splicing structure of optical fibers for fusing a double clad fiber and a single clad fiber, the splicing structure is provided with a block covering a fusion splicing point of the double clad fiber and the single clad fiber, and which is ... | 07/06/2010 |
| 7726886 | Ferrule transfer method and ferrule holder An end of a built-in optical fiber of a ferrule is made with one end of the built-in optical fiber matched with a splicing end surface and other end of the built-in optical fiber protruded from an end portion opposite to the splicing end surface and one end of a spl... | 06/01/2010 |
| 7699540 | Optical fiber reinforcement processing apparatus and optical fiber reinforcement processing method An optical fiber reinforcement processing apparatus and reinforcement processing method are provided where it is not necessary to dispose a temperature detecting device such as a thermistor, and a heating control in which the detected temperature is not varied, the ... | 04/20/2010 |
| 7699541 | Optical fiber fusion splicer and method for estimating a shape of beam discharged by the optical fiber fusion splicer The present invention is provided for fusion splicing optical fibers with low splice loss even when a shape of a discharge beam for the splicing is distorted. In the present invention, a preliminary discharge is performed with the optical fibers outside a discharge ... | 04/20/2010 |
| 7670065 | Multi-electrode system A multi-electrode system comprises a fiber support configured to hold at least one optical fiber and a set of electrodes disposed about the at least one optical fiber and configured to generate arcs between adjacent electrodes to generate a substantially uniform hea... | 03/02/2010 |
| 7578626 | Optical connector kit An optical connector kit includes a ferrule-with-optical-fiber and an accommodating housing for accommodating all connector parts constituting an optical connector, including the ferrule-with-optical-fiber. An optical fiber having a predetermined length is attached ... | 08/25/2009 |
| 7507038 | Optical fiber/glass tube fusion-spliced structure, optical fiber assembly including the structure, and glass tube used in the structure An optical fiber/glass tube fusion spliced structure includes an optical fiber made of glass and a glass tube through which the optical fiber is inserted and at least in part of the optical fiber/glass tube fusion spliced structure, an outer circumference portion of... | 03/24/2009 |
| 7494288 | Optical fiber fusion splicer and method for estimating a shape of beam discharged by the optical fiber fusion splicer The present invention is provided for fusion splicing optical fibers with low splice loss even when a shape of a discharge beam for the splicing is distorted. In the present invention, a preliminary discharge is performed with the optical fibers outside a discharge ... | 02/24/2009 |
| 7481588 | Optical fiber composite, devices, and methods of making same This invention relates to an optical fiber composite comprising an asymmetric optical fiber comprising a first end with a substantially non-circular cross-section, and a substantially circular clad optical fiber comprising a tapered end section which has a substanti... | 01/27/2009 |
| 7467899 | Ferrule transfer method and ferrule holder A built-in optical fiber of a ferrule has one end of the built-in optical fiber matched with a splicing end surface, and the other end of the built-in optical fiber protruded from an end portion opposite to the splicing end surface and one end of a splicing optical ... | 12/23/2008 |
| 7458734 | Method of splicing an optical fiber with holes in the cladding Methods are disclosed herein for joining a first optical fiber and a second optical fiber, wherein at least one of the first and second optical fibers has an annular glass region, such as a cladding, which is provided with a plurality of holes. The methods are well ... | 12/02/2008 |
| 7438485 | Optical fiber fusion splicer and optical fiber loading device An optical fiber loading device includes a loading stage, which includes a first clamp block, fitted in a first opening defined in a first base portion, including first grooves adapted to position first optical fibers of a first optical fiber cable; and a first clam... | 10/21/2008 |
| 7425099 | Systems and methods for modifying selected portion of optical fiber microstructure An air-clad optical fiber is provided having a core that is surrounded by an inner cladding region, an air-clad region, and an outer region. A lead end of the air-clad optical fiber is prepared for splicing by removing the air-clad region and all fiber regions outsi... | 09/16/2008 |
| 7403686 | Fiber optic cable splicing technique The invention is a staggered splice and method for making the same. The staggered splice is used to join two multi-fiber optic cables. Each opposing pair of optic fibers is cleaved such that they all have substantially the same combined length and provide fully oper... | 07/22/2008 |
| 7400799 | Optical device and fabrication method and apparatus for the same An optical device fabrication method capable of fabricating optical devices with high precision and reliability in a simple process and at a low cost. The method of splicing a first optical device and a second optical device to fabricate a third optical device inclu... | 07/15/2008 |
| 7389009 | Optical fiber sensor and measuring apparatus using same An optical fiber sensor enabling simpler detection of a state of an external environment and a measuring apparatus using the same are provided. At a front end of an optical fiber portion 20a for transmitting the light a hetero core having a different d... | 06/17/2008 |
| 7371019 | Method and apparatus for sensing light Disclosed is an optical apparatus including an optical fiber having a wavelength of operation, the optical fiber comprising a first length of the optical fiber joined to a second length of the optical fiber with a splice such that the first and second lengths are in... | 05/13/2008 |
| 7371020 | Method of aligning optical-fibers, optical-fiber alignment device, and optical-fiber fusion splicer A method of aligning optical-fibers, including: holding a sheath of an optical-fiber ribbon cord using an optical-fiber holder so that distal ends of optical fibers extending from the sheath are located above grooves of a groove stage; arranging an optical-fiber gui... | 05/13/2008 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations Methods of stimulating subterranean formations are provided. More particularly, methods of fracturing subterranean formations using a fracturing fluid comprising a self-degrading cement composition are provided. An example of a method is a method of treating a subte... | 04/08/2008 |
| 7346236 | Collimator lens, fiber collimator and optical parts A collimator lens having a low reflectivity and significantly improved durability against high-power light is provided so that optical parts using the collimator lens can be reduced in size and cost lowered. A plurality of optical fibers can be connected to the coll... | 03/18/2008 |
| 7329049 | Splice connector for verifying an acceptable splice termination A splice connector for verifying an acceptable splice termination includes a ferrule having a stub optical fiber, a ferrule holder for receiving the ferrule, opposed splice components within the ferrule holder for receiving and aligning the stub optical fiber and a ... | 02/12/2008 |
| 7316513 | Optical-fiber mechanical splicing technique A portable optical-fiber cutter is used to slice a first optical-fiber at an advantageous angle to control reflections and at a suitable length to mate with a similar second optical-fiber that was pre-sliced at a complementary angle in the factory and configured as ... | 01/08/2008 |
| 7313310 | Plasma directing baffle and method of use The present invention provides an assembly that may be used to clean the external surfaces of fiber optic cable. The assembly includes a baffle housing, a plasma source, a cable guide, and brackets to position the baffle and plasma source. The baffle housing defines... | 12/25/2007 |
| 7313303 | Telecommunication cable comprising a jointed optical core and method for jointing said core An optical cable having an optical core with a strength member and optical fibers embedded in a thermoplastic material. The optical core has a joint section having substantially the same diameter as the one of the optical core. The joint section has a jointed streng... | 12/25/2007 |
| 7310470 | Optical fiber repair apparatus with adjustable guide member and methods for using the same Optical fiber repair apparatus include a longitudinally extending closure frame having a longitudinally extending optical fiber receiving groove in a face thereof. An adjustable guide member on the closure frame is longitudinally movable thereon to adjust a position... | 12/18/2007 |
| 7309168 | Optical fiber cable An optical fiber cable, comprising a cable main unit with an optical fiber covered by a sheath and terminal units mounted on end portions of the cable main unit, wherein each of the terminal units has a transparent cover member with a refractive index approximately ... | 12/18/2007 |
| 7296940 | Optical fiber connecting portion structure and light monitor apparatus An optical apparatus of the invention has a fusion splice portion where respective ends of two optical fibers each having a core, a cladding, and a UV coat portion provided on the outside of the cladding are fusion spliced, and a re-coat portion which re-coats a por... | 11/20/2007 |
| 7284915 | Interface apparatus, connector apparatus and method of reducing electromagnetic interference A subassembly apparatus includes a substantially shieldable interior chamber for housing at least one source of electromagnetic radiation, a connector plane external to the interior chamber for locating an end surface of a connector, and a launch window for locating... | 10/23/2007 |
| 7283713 | Highly dispersive dispersion compensating fiber for transmission fiber and transmission system utilizing same A dispersion compensating optical fiber is disclosed which is highly dispersive and which has a low effective area. The dispersion compensating optical fiber is suited for use with transmission optical fiber such as conventional single mode fiber. An optical transmi... | 10/16/2007 |
| 7275875 | Universal interface for single-handed insertion of cables A method and apparatus for a universal single handed light cable receptive port is disclosed. In one embodiment, a jaw assembly is coupled to a base. A latch is coupled to a base to hold the jaw assembly open and to define an aperture. When a cable is inserted into ... | 10/02/2007 |
| 7269320 | Fiber optic cable with miniature bend incorporated A fiber optic cable includes a miniature bend at one end, connecting a pair of optical fibers forming an originating light path with a return light path. The use of the miniature bend to connect to the originating and return light paths results in an end portion of ... | 09/11/2007 |
| 7267495 | Connection method and connecting structure for photonic crystal fiber A connection method for a photonic crystal fiber for connecting the photonic crystal fiber and a fiber to be connected, the photonic crystal fiber including a cladding region having a number of microholes and a core region having a same refractive index as that of t... | 09/11/2007 |
| 7264410 | Dual function splice component for mechanical splice connector A fiber optic mechanical splice connector including a single connector element operable for providing optical fiber alignment and strain relief includes opposed splice components that define first and second grooves for receiving the bare glass portions of mating op... | 09/04/2007 |
| 7257301 | Optical fiber An optical fiber resistant to hydrogen-induced attenuation losses at both relatively low and relatively high temperatures includes a substantially pure silica core and a hydrogen retarding layer. The hydrogen retarding coating may be made of carbon, metal, or silico... | 08/14/2007 |
| 7255498 | Low profile system for joining optical fiber waveguides A compact, low profile splicing system for joining optical fibers produces durable, low transmission loss fusion splices. The system employs active optical techniques such as profile alignment or local injection and detection to achieve optimized alignment of the fi... | 08/14/2007 |
