Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/30—Illumination of dials or hands
G04B19/32—Illumination of dials or hands by luminescent substances
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Laminated Bodies
(AREA)
Description
■CÄ1 ■■■ CÄ1 ■■
Claims (2)
P atent ansprüche:Patent claims:1. Zifferblatt mit Leuchtzeichen, die durch einen lumineszierenden Belag oder durch einen
lumineszierenden Körper zumindest mittelbar lumineszierend gemacht sind, welcher Belag oder
Körper von einer Schutzschicht aus einem durchscheinenden Kunstharz, einem thermoplastischen
oder einem wärmehärtbaren Kunststoff bedeckt ist, dadurch gekennzeichnet, daß die
Schutzschicht oder die Kunstharzschicht mit einer phosphoreszierenden Substanz versetzt ist.1. Dial with luminous symbols, which are covered by a luminescent coating or by a
luminescent body are made at least indirectly luminescent, which coating or
Body of a protective layer made of a translucent synthetic resin, a thermoplastic
or a thermosetting plastic, characterized in that the
Protective layer or the synthetic resin layer is mixed with a phosphorescent substance.2. Zifferblatt nach Anspruch 1, dadurch gekennzeichnet, daß die phosphoreszierende Substanz
aus Zinksulfit besteht.2. Dial according to claim 1, characterized in that the phosphorescent substance
consists of zinc sulfite.
Process for the production of a ring made of sintered, ferromagnetic, in particular permanent magnetic oxide material, with a filling made of thermoplastic or thermosetting plastic as well as a die for carrying out this process
Method of encapsulating electronic components with plastic material by extrusion, and application to the production of electroluminescent diodes and to the encapsulation of electronic circuits
Method for producing a radiation-sensitive or radiation-emitting device with a grain layer, in particular a semiconducting grain layer, and device produced according to the method
Method for producing a semiconductor unit by assembling a disk-shaped semiconductor element with two heat sinks and a semiconductor unit produced according to this method
Process for the production of at least one carrier with leads partially protruding freely from the carrier for a miniaturized circuit with one or more miniaturized switching elements