nSpec® PS

nSpec® PS

A fully automated optical inspection system for analyzing opaque, transparent, and semi-transparent wafers for defects and features of interest.

General

System

Weight
318 kg

Dimensions (W x D x H)
153 cm x 133 cm x 176 cm

Min. Vacuum Requirement
24 in. Hg (70 kPa)

Power Supply
110v/220v, 3.5 amps

Wafer Loader

Runs One Cassette at a Time
25 wafers/cassette, Standard H-Bar Cassette

Standard Wafer Sizes
50, 75, 100, 150, or 200 mm

Dimensions (W x D x H):
71 cm x 75 cm x 35 cm

Weight
54 kg

Pre-aligner

Optics

Illumination Modes
Brightfield, Darkfield, DIC (Nomarski)

Lightsource
White Light LED (other options available)

Objectives
2.5, 5, 10, 20, or 50x, user selectable

Stage

Travel, Typical
200 mm X and Y direction

Positioning
Linear servo motors with closed loop encoders (50 nm resolution)

Repeatability
+/- 0.5 μm

Travel Flatness
30 μm

Construction
Precision ground raceways and crossed roller bearings

Mounting Platform
Microscope/heavy duty pedestal integrated into isolation table

Centered Load Capacity
2.27 kg

Weight
11.33 kg

Size (W x D x H)
35 cm x 37 cm x 4 cm

Option

AFM
SECS/GEM
OCR Camera
Transmitted Light

Features

Automated Wafer Handling

Multiple Resolution Settings Ranging from 0.25 μm and greater

Rapid Scanning

Customizable Defect Reports

Variety of Sample Chucks to Meet Specific Needs

Robust Analysis for Defect or Feature of Interest Detection and Classification

Inspection and Review Procedures

Multi-System Synchronization

Small Footprint and Minimal Facilities Requirements

Rack-Mount Controls

  • This field is hidden when viewing the form