Andreas Rauch
Giesecke & Devrient
62 Papers
470 Citations
Andreas Rauch is an academic researcher from Giesecke & Devrient. The author has contributed to research in topics: Layer (electronics) & Substrate (printing). The author has an hindex of 13, co-authored 50 publications.
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Papers
Patent
Security element, value document comprising such a security element, and method for producing such a security element
Christian Fuhse,Manfred Heim,Michael Rahm,Andreas Rauch,Stefan Bichlmeier +4 more
- 03 Dec 2010
TL;DR: In this article, a carrier has a reflective areal region which is divided into a multiplicity of reflective pixels, each pixel has at least one reflective facet which is formed in a surface of the carrier, and the at least 1 reflective facet reflects light incident along a predetermined direction on the areal regions directionally in a reflection direction predefined by the orientation of the facet.
101
Patent
Optically variable surface pattern
Christian Fuhse,Andreas Rauch,Winfried Hoffmüller +2 more
- 30 Jan 2014
TL;DR: In this paper, an optically variable surface pattern is divided into at least three sub-areas (8-11) having respectively several pixel sections (4-7), where a first and a second sub-area reproduce two different perspectives of a first pattern when pivoting about a first axis and dependent on the viewing angle.
47
Patent
Security element, and value document comprising such a security element
Christian Fuhse,Michael Rahm,Andreas Rauch +2 more
- 29 Jun 2011
TL;DR: In this paper, a security element for a security paper, value document or the like, comprising a support having a motif region (3), which provides a visually perceptible motif having a first and a second motif part (4, 5), wherein the motif region comprises a first micro-optical representation arrangement (11), (e.g. microlenses (10) and microstructures (9), forming a moire magnification arrangement; a partially demetallized perforated screen (31); or a diffractive structure), which presents at least two different images as
29
Patent
Sicherheitselement, wertdokument mit einem solchen sicherheitselement sowie herstellungsverfahren eines sicherheitselementes
Christian Fuhse,Manfred Heim,Michael Rahm,Andreas Rauch,Stefan Bichlmeier +4 more
- 03 Dec 2010
TL;DR: The erfindung betrifft ein Sicherheitspapier, Wertdokument oder dergleichen, with einem Trager (9), der einen reflektiven Flachenbereich (3) aufweist, der in eine Vielzahl von reflektiert Pixeln (5) ist, wobei die Flache jedes Pixels(5) um zumindest eine Grosenordnung kleiner ist als die
26
Patent
Security element, security system, and production method therefor
Michael Rahm,Wittich Kaule,Manfred Heim,Andreas Rauch,Josef Schinabeck,André Gregarek,Angelika Hilgenrainer +6 more
- 12 May 2010
TL;DR: In this paper, the authors proposed a security element for security documents, valuable documents or the like, comprising a carrier (3) having an upper (4) and a lower side (7), said carrier comprising several reflective first micro-imaging elements (8) arranged flatly in a first pattern, and comprising second micro imaging elements (9) arranged in a second pattern.
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