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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7964432 | Method of manufacturing lenses, in particular for an integrated imager A method for manufacturing a micro-module for capturing images having an imager and at least one lens, includes manufacturing at least one imager on a first plate of a semiconductor material, producing at least one optical zone to form a lens in at least one second ... | 06/21/2011 |
| 7956431 | Method of manufacturing an image sensing micromodule A method of manufacturing a micromodule including the steps of: producing an integrated circuit on an active face of a chip made of a semi-conductive material, making a via passing through the chip, electrically linked to the integrated circuit, and inserting the ch... | 06/07/2011 |
| 7851826 | Imager system comprising an integrated optical filter arranged between an imager and a transparent plate A method manufactures semiconductor chips each comprising a component implanted in the semiconductor. The method includes collectively implanting components onto a front face of a semiconductor wafer and fixing the a plate of a transparent material onto the front fa... | 12/14/2010 |
| 7842909 | CMOS imaging device comprising a microlens array exhibiting a high filling rate A CMOS imager includes a photosite array and a microlens array. The microlens array comprises microlenses of a first type and microlenses of a second type, the microlenses of first type being manufactured according to a first circular template having a first radius,... | 11/30/2010 |
| 7580204 | Method for manufacturing lenses, in particular for an imager comprising a diaphragm A method for manufacturing a lens of a polymer material, includes producing in the core of the lens or on the surface of the latter at least one opaque zone having an optical function, by locally degrading the molecular structure of the polymer material using a beam... | 08/25/2009 |
| 7342458 | Negative gain transductance amplifier circuit The invention proposes a negative gain transconductance amplifier circuit (1) for capacitive load that includes: an RC serial circuit connected between an input terminal (E) of the amplifier circuit and a intermediate terminal (A); an amplificat... | 03/11/2008 |
| 7315071 | Magnetic RAM A memory element for a magnetic RAM, contained in a recess of an insulating layer, the recess including a portion with slanted sides extending down to the bottom of the recess, the memory element including a first magnetic layer portion substantially conformally cov... | 01/01/2008 |
| 7242621 | Floating-gate MOS transistor with double control gate The present invention relates to a floating-gate MOS transistor, comprising drain and source regions implanted into a silicon substrate, a channel extending between the drain and source regions, a tunnel oxide, a floating gate, a gate oxide and a control gate extend... | 07/10/2007 |
