IPC-TM-650 EN 2022 试验方法1.pdf - 第52页

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Measurement Systems Analysis For Variables Data:

Measurement Precision Calculator

Version 1.0, August 2002

Introduction

Welcome to the Measurement Precision Calculator. This workbook will help

perform the calculations for Measurement Precision Studies as described

in the IPC test method IPC-TM 1.9.

This software is useful in cases where the measurement data is recorded

as variables data and recoreded on a continuous scale.

Please refer to the test method before beginning the measurement precision study.

The test method defines the terms and equations used in detail.

Also refer to the User Guide for detailed instructions..

This workbook includes the following

- A blank spreadsheet to enter measurements

- A spreadsheet with example data

- A form for manual data entry, if desired.

- Further information on the K factors used in the calculations

The title cells on the spread sheet have been color coded to aid understanding.

The following is the color key:

Color

General title

Cells for user to enter data

Title cells for test condition related data

Title cells for data related to repeated readings

Title cells for sample related data

Title cell for calculated data

Usage

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Note:

IPC-TM-650

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Caution:

Figure 5-2 Plated Hole Microsection (Grinding/Polishing)

Tolerance

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IPC-TM-650

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