← Back to Patent Explorer
EP0052738A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Circuit board

Assignee: Rheinmetall Air Defence AG
•
Filing: 1981-10-10
•
Granted: —
•
Expires: 2001-10-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Leiterplatte (1) mit mindestens einer inneren Leitungsmusterschicht (4 bis 7), mit Leiterbahnen (2,3) auf mindestens einer Aussenfläche (41,42) sowie mit durch die Leiterplatte hindurchführenden Verbindungselementen (30,30'). Printed circuit board (1) with at least one inner conductor pattern layer (4 to 7), with conductor tracks (2, 3) on at least one outer surface (41, 42) and with connecting elements (30, 30 ') leading through the printed circuit board. Zur Verteilung des Speisestroms ist mindestens eine Schicht aus Kupferblech (8,9) vorgesehen, die im wesentlichen parallel zur Leittungsmusterschicht (4 bis 7) verläuft. To distribute the feed current, at least one layer of copper sheet (8, 9) is provided, which runs essentially parallel to the line pattern layer (4 to 7). Die Umrisse und Bohrungen der Kupferschicht werden durch Formätzen erzeugt. The contours and bores of the copper layer are created by form etching.

Inventors

  • 👤 Max Herzog
  • 👤 Franz Schmid

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 20:19
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0263; H05K1/0265; H05K3/00; H05K3/46; H05K3/4611; H05K3/4641; H05K1/0296; H05K1/0298; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0352; H05K3/02; H05K3/06; H05K3/10; H05K3/20; H05K3/202; H05K3/40; H05K3/42; H05K3/429; H05K3/44

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE1936899A1 Cited
US3932932A Cited
US3958317A Cited
US4030190A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag