𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Optical mark reading — A tool for educational testing

✍ Scribed by J Brown


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
264 KB
Volume
9
Category
Article
ISSN
0307-4412

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Marks for SCALPEL® tool optics optimizat
✍ R.C. Farrow; G.M. Gallatin; W.K. Waskiewicz; J.A. Liddle; I. Kizilyalli; A. Korn 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 289 KB

A method for optimizing the electron optics of the SCALPEL exposure tool is described. The method uses the SCALPEL mark detection method with a grating mark as an aerial image monitor. The root-mean-square deviation of the recorded backscattered electron signal from an ideal triangle waveform was us

Infrared optical modulators for missile
✍ Mark A Richardson; John A Coath 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 285 KB

The continued proliferation of imaging infrared (I 2 R) missile systems has created the need for fully representative infrared scene generators. In order to test these I 2 R systems correctly a very large dynamic range is required of the scene generator. This cannot easily be produced by the standar