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2. Seal (emblem) - Wikipedia

   en.wikipedia.org/wiki/Seal_(emblem)

   These are applied to all letters, invoices issued, and similar documents. In Europe these are today plastic self-inking stamps. Notaries also still use seals on a daily basis. At least in Britain, each registered notary has an individual personal seal, registered with the authorities, which includes his or her name and a pictorial emblem, often ...

3. Rubber stamp - Wikipedia

   en.wikipedia.org/wiki/Rubber_stamp

   Contour stamp A toy rubber stamp featuring a pterosaur Fabrication of stamp by photopolymer method Ink pad "Barock Made in East Germany" (c.1960), in the collection of the Museum Europäischer Kulturen. Materials besides rubber can produce a stamp. Woodcut and linocut, the carving of linoleum, are art forms based on the same principles ...

4. Microcontact printing - Wikipedia

   en.wikipedia.org/wiki/Microcontact_printing

   Microcontact printing (or μCP) is a form of soft lithography that uses the relief patterns on a master polydimethylsiloxane (PDMS) stamp or Urethane rubber micro stamp [1] to form patterns of self-assembled monolayers (SAMs) of ink on the surface of a substrate through conformal contact as in the case of nanotransfer printing (nTP). [2]

5. Bureau of Engraving and Printing - Wikipedia

   en.wikipedia.org/wiki/Bureau_of_Engraving_and...

   The first of the works printed by the BEP was placed on sale on July 18, 1894, and by the end of the first year of stamp production, the BEP had printed and delivered more than 2.1 billion stamps. The United States Postal Service switched purely to private postage stamp printers in 2005, ending 111 years of production by the Bureau.

6. PDMS stamp - Wikipedia

   en.wikipedia.org/wiki/PDMS_stamp

   PDMS stamps are pieces of polydimethylsiloxane (PDMS), a silicone, that have been patterned usually against a master mold to form a relief pattern used in soft lithography. This PDMS stamp can be used in either its current form as a relief surface for techniques such as microcontact printing or can also be attached to an external source by ...

7. Federal agencies to be closed on Christmas Eve 2024 ... - AOL

   www.aol.com/federal-agencies-closed-christmas...

   “All executive departments and agencies of the Federal Government shall be closed and their employees excused from duty on Tuesday, December 24, 2024, the day before Christmas Day,” the ...