Patent · US Expired

Prism assembly

US7359122B2 · kind B2 · utility

1Cited by

15References

28Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

James W. Ring · Eugene, US
Brett E. Dahlgren · Albany, US
Scott Lerner · Corvallis, US

Key dates

Filing date	Jun 9, 2005
Grant date	Apr 15, 2008
Priority date	—
Expiry date	Dec 28, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/1026
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A prism assembly includes a first prism having a first front face, a first side face, and a first rear face, a second prism having a second front face parallel to the first rear face, a second side face, and a second rear face. The second prism is configured to direct a first component beam through the second side face. The prism assembly also includes a third prism having a third front face parallel to the second rear face, a third side face, and a third rear face. The third prism is configured to direct a second component beam through the third side face. The prism assembly also includes a fourth prism having a fourth front face parallel to the third rear face and a fourth rear face, the rear face being parallel to the first front face. The fourth rear face is configured to transmit a third component beam there through.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.