Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7422792 | Metallized polymide film A metallized polyimide film includes: a polyimide film including a first side and a second side; an intermediate layer that contains at least one element selected from the group consisting of Mo, Cr, Ni, Si, Fe, and Al, a deposition amount of the at least one elemen... | 09/09/2008 |
| 7338631 | Copper alloy and method of manufacturing the same This copper alloy contains at least zirconium in an amount of not less than 0.005% by weight and not greater than 0.5% by weight, includes a first grain group including grains having a grain size of not greater than 1.5 μm, a second grain group including grains hav... | 03/04/2008 |
| 7241490 | Metallized polyimide film and manufacturing method therefor A metallized polyimide film includes: a polyimide film; an intermediate layer formed in the polyimide film, the intermediate layer extending 20 nm or less from a surface of the polyimide film, and the intermediate layer including at least one element selected from t... | 07/10/2007 |
| 6451448 | Surface treated metallic materials and manufacturing method thereof A surface treated metallic material according to the present invention comprises a metallic substrate and a metallic compound layer formed thereon, wherein the entire surface of the metallic compound layer is covered with minute, upright, scaly protrusion... | 09/17/2002 |
| 6298909 | Heat exchange tube having a grooved inner surface With a grooved-inner-surface heat transfer tube, an inner circumferential surface of a metal tube is formed with fins bent at bent portions in a zigzag and extending consecutively around a circumferential direction of the inner circumferential surface, an... | 10/09/2001 |
| 5704424 | Heat transfer tube having grooved inner surface and production method therefor The object of the present invention is to offer a heat transfer tube having a grooved inner surface, wherein the side edges of the board material do not form a waved shape and cracks do not form during tube expansion. In order to achieve this object, the ... | 01/06/1998 |
| 5508001 | Copper based alloy for electrical and electronic parts excellent in hot workability and blankability A copper based alloy for use as a material for electrical and electronic parts has a chemical composition by weight, of 0.5 to 3% Ni, 0.1 to 0.9% Sn, 0.08 to 0.8% Si, 0.1 to 3 Zn, 0.007 to 0.25% Fe, 0.001 to 0.2% P, 0.001 to 0.2% Mg, 0.0001 to 0.001% C, a... | 04/16/1996 |
