| Patent Number |
Title Of Patent |
Date Issued |
| 7453568 |
Fluorescence observation equipment |
November 18, 2008 |
| An apparatus for fluorescence observation includes an excitation filter which transmits only exciting light of an specific wavelength among illumination light, and an absorption filter which blocks the exciting light and transmits only fluorescence generated from a specimen when the |
| 7411729 |
Optical filter, method of manufacturing optical filter, optical system, and imaging apparatus |
August 12, 2008 |
| An optical system includes a plurality of optical elements having finite refractive power and an electronic imaging device disposed at an image side of the optical system. At least one of the plurality of optical elements is made of resin, and an infrared-cut coating is applied to at |
| 7369314 |
Optical filter and optical instrument |
May 6, 2008 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7324283 |
Optical filter and optical instrument |
January 29, 2008 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7312925 |
Optical filter and optical instrument |
December 25, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7289268 |
Optical filter and optical instrument |
October 30, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7277228 |
Optical filter and optical instrument |
October 2, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7274512 |
Optical filter and optical instrument |
September 25, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7271959 |
Optical filter and optical instrument |
September 18, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7265905 |
Optical filter and optical instrument |
September 4, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7193780 |
Optical filter and optical instrument |
March 20, 2007 |
| In an optical filter, a thin film is formed by laminating low refractive index layers alternatingly from a substrate side with high refractive index layers. The thin film is provided with first, second, and third laminated portions. In the first laminated portion, the refractive indi |
| 7126751 |
Anti-reflection film and microscope having optical element with the same anti-reflection film ap |
October 24, 2006 |
| A microscope includes an optical element provided with an anti-reflection film applied thereto. The anti-reflection film has the following layered structure: having first to sixth layers of films, in order from the surface of the optical element, formed of a high-refractive-index m |
| 7075714 |
Anti-reflection film and microscope having optical element with the same anti-reflection film ap |
July 11, 2006 |
| A microscope includes an optical element provided with an anti-reflection film applied thereto. The anti-reflection film has the following layered structure: having first to sixth layers of films, in order from the surface of the optical element, formed of a high-refractive-index m |
| 7050224 |
Fluorescence observing apparatus |
May 23, 2006 |
| A fluorescence observing apparatus has an excitation filter unit for transmitting only exciting light with particular wavelengths, of illuminating light, and an absorption filter unit for transmitting only fluorescent light produced from a specimen by irradiating the specimen with th |
| 6961183 |
Optical filter and optical instrument |
November 1, 2005 |
| An optical filter is provided with a thin film having: a first laminated portion that is constructed by alternately laminating low refractive index layers that have a relatively low refractive index with high refractive index layers that have a relatively high refractive index, and in wh |
| 6426022 |
Process for producing thin film, thin film and optical instrument including the same |
July 30, 2002 |
| A substrate 2 is autorotatably installed in a vacuum chamber 1 at an upper part thereof. MgF.sub.2 granules 3 as a film source material are put in a quartz boat 4 and mounted on a magnetron cathode 5. The magnetron cathode 5 is connected through a matching box 6 to a 13.56 MHz radio freq |
| 6358440 |
Process for producing thin film, thin film and optical instrument including the same |
March 19, 2002 |
| A substrate 2 is autorotatably installed in a vacuum chamber 1 at an upper part thereof. MgF.sub.2 granules 3 as a film source material are put in a quartz boat 4 and mounted on a magnetron cathode 5. The magnetron cathode 5 is connected through a matching box 6 to a 13.56 MHz radio freq |
| 6210542 |
Process for producing thin film, thin film and optical instrument including the same |
April 3, 2001 |
| A substrate 2 is autorotatably installed in a vacuum chamber 1 at an upper part thereof. MgF.sub.2 granules 3 as a film source material are put in a quartz boat 4 and mounted on a magnetron cathode 5. The magnetron cathode 5 is connected through a matching box 6 to a 13.56 MHz radio freq |
| 5958155 |
Process for producing thin film |
September 28, 1999 |
| A substrate (2) is rotatably installed in a vacuum chamber (1) at an upper part thereof MgF.sub.2 granules (3) as a film source material are placed in a quartz boat (4) and mounted on a magnetron cathode (5). The magnetron cathode (5) is connected through a matching box (6) to a 13.56 MH |
| 5825549 |
Optical thin film for optical element |
October 20, 1998 |
| An optical thin film for an optical element is disclosed, which includes at least one layer containing at least one compound selected from the group consisting of MoO.sub.3 and WO.sub.3. A material for use in evaporation coating to prepare a thin film includes a mixture of at least one c |
