English

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Etymology 1

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From press +‎ pack, where press refers to a device that applies pressure.

Noun

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presspack (plural presspacks)

  1. Any of various types of packaging that are sealed using a mechanical press.
    • 1976, Industrial Design - Volume 23, page 66:
      The "presspack" container/dispenser from Bio-Pak needs only mild pressure at the top of the container to dispense the product.
    • 1980, Packaging Abstracts - Volume 37, page 328:
      [] presspack cans, compack cans, aluminium foil two-chamber cans and the alu-presspack and alu-compack systems are compared.
    • 1982, India. Ministry of Finance, National Budget, page 77:
      164. Vacuum drying cabinet for evacuating and pre-drying of the presspacks of copper coated sheets or laminates, complete with accessories.
  2. (more specifically) A type of package for semiconductor devices, in which the chips are placed in a housing and then compressed using a mechanical press.
    • 1998, J. Arrillaga, High Voltage Direct Current Transmission, page 6:
      Figure 1.4 shows a modern thyristor encapsulated in a presspack housing and Figure 1.5 illustrates a typical interdigitated gate geometry in a high-power thyristor; the black areas indicate silicon ( Si02 ) and the white areas the Al metallisation.
    • 2000, S. J. Pearton, F. Ren, A. P. Zhang, G. Dang, X. A. Cao, K. P. Lee, H. Cho, B.P. Gila, J.W. Johnson, C. Monier, C. R. Abernathy, J. Han, A. G. Baca, J.-I. Chyi, C.-M. Lee, T.-E. Nee, C.-C. Chuo, G. C. Chi, S. N. G. Chu, “GaN Power Devices”, in A. G. Baca, ‎R. F. Kopf, editor, High Speed Compound Semiconductor Devices for Wireless Applications and State-of-the-art Program on Compound Semiconductors, page 102:
      For current Si IGBTs, there are two basic package types—the first is a standard attached die, wire bond package utilizing soft-solder and wire-bonds as contacts, while the second is the presspack, which employs dry-pressed contacts for both electrical and thermal paths.
    • 2011, Josef Lutz, ‎Heinrich Schlangenotto, ‎Uwe Scheuermann, Semiconductor Power Devices, page 348:
      The complex construction of a presspack IGBT results in a considerable increased demand on the precise alignment of a multitude of parts and on the allowable part tolerances compared to a semiconductor module.

Verb

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presspack (third-person singular simple present presspacks, present participle presspacking, simple past and past participle presspacked)

  1. (transitive) To pack, or prepare for packing, by means of a press.
    • 1915 June, Robert P. Skinner, “Wool Bales and Prices in England”, in National Wool Grower, volume 5, page 55:
      One broker states that a considerable quantity of wool for export is now presspacked, jute canvas and iron hoops similar to those used on South American bales being employed.
    • 1925, United States. Bureau of Foreign and Domestic Commerce, Paper and Paper Products in China, page 14:
      Newspapaers are usually packed for this market in bales of 280 pounds each, although consignments of 200 and 560 pounds are also received, each bale presspacked, wrapped in burlap, and bound with four iron hoops.
    • 2010, Kit L. Yam, The Wiley Encyclopedia of Packaging Technology, page 415:
      South Korea currently bans packaging that is presspacked, coated, or shrink-wrapped in PVC.

Etymology 2

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From press +‎ pack, where press refers to the domain of journalism.

Noun

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presspack (plural presspacks)

  1. A collection of promotional materials that is made available to members of the press.
    • 1981, Malta. Information Division, Reports on the Working of Government Departments for the .Year, page 7:
      The great majority called at the Information Division and were briefed and provided with background information and 'presspacks'.
    • 2000, Lance Pettitt, Screening Ireland: Film and Television Representation, page 161:
      The information for this paragraph was derived from Tara TV's presspack, marketing surveys and promotional material kindly supplied by Cathal O'Doherty at Tara TV, London, interviewed by author on 12 October 1998.
    • 2012, Amanda Field, England's Secret Weapon: The Wartime Films of Sherlock Holmes:
      Genre categorisation can be much richer and more complex than a retrospective taxonomic exercise reliant on the film alone: contemporary audiences derived their genre expectations from a wide range of studio-based material including posters, presspacks, trailers, advertisements and press reviews, and whereas hindsight tends to give single-label genre categories to films, multiple-label categories were in use at the time of release.
  2. A group of journalists who are covering an event.
    • 1993, Sara J. Cameron, Natural Enemies, page 30:
      Kamau barked at the officer in Kikuyu, instructing him to be more careful, but the presspack, seeing Vanna fall, started shouting and running towards the house.
    • 2009, Cornelius Kane, The Unscratchables, page 163:
      We were out of the studios, slipping away from a presspack and some buzzing publicists, and heading down Festive Street to Wagtail Park.
    • 2010, Mark Cavendish, Boy Racer, page 126:
      Once, apparently stage winners would do a full-blown press conference in front of the full-accredited presspack in the main media centre; now there were no more than a dozen in the video room and the rest watched and asked questions via a remote link-up.