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CBSM: ASM C5 Electrode Evaluation

Project Objective:

  • Cost Saving

  • Comparison Study And Performance data to support Electrode under study.

Leaf Pattern Design

Comparison Study

Objective:

To evaluate ASM C5 Nozzle Electrode for Cost saving

Strategy:

Comparison study between ASM Electrode and EQDR Electrode

Wire Type:

Heraeus DHF 2.0 mil (EL: 15 - 25 %, BL: 40 - 55 g)

Capillary:

SPT SU-68360-1275E

Sample Size:

30 Sample per run

Respon​ses

  • Sparking Plasma

  • Free Air Ball (FAB)

Factor Under Study

  • C5 Nozzle Electrode

Background Variables

  • Machine

  • Parameters

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Measurement Methode

  • Visual Inspection

  • High Power Scope (Hisomet)

Levels

  • ASM Electrode vs EQDR Electrode

Control Method

  • ASM Xtreme WB# 14

  • FAB Farming

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Get to Know Us

Electrode Comparison

  • ASM Electrode

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Concentrated Blue Plasma from Tip of Electrode

  • EQ Electrode

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Concentrated Blue Plasma from Tip of Electrode

FAB Data Comparison

  • ASM Electrode

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  • EQ Electrode

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FAB Data Comparison

ASM Electrode vs EQ Electrode

Raw Data

Summary

  • Both Electrode are quite compatible in terms of fire Plasma.

  • FAB Farming results are also compatible.

FAB Control

FAB Sample

1

130.27

129.04

2

131.33

130.58

3

130.58

129.65

4

128.43

130.47

5

130.40

128.48

6

131.38

131.52

7

131.00

129.61

8

131.44

128.40

9

130.47

128.89

10

129.72

129.82

11

131.33

129.75

12

129.62

129.72

13

128.38

131.47

14

129.50

128.72

15

128.76

129.89

16

128.87

130.41

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17

128.78

128.80

18

129.63

130.37

19

129.20

129.36

20

130.05

130.17

21

130.78

131.94

22

131.56

131.58

23

131.38

130.31

24

129.62

129.64

25

128.98

128.82

26

130.45

130.10

27

129.17

129.50

28

131.11

129.63

29

129.85

130.11

30

128.54

130.15

Avg

130.03

129.90

SD

1.028

0.916

EDX Analysis

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EDX Analysis

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EDX Analysis

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Summary:

  • Both ASM and EQDR electrode material are compatible.

  • Main element

    • Carbon (C)​

    • Oxygen (O)

    • Iridium (Ir)

    • Chromium (Cr)

    • Rhodium (Rh)

Electrode Life Span Study

Objective:

To evaluate the Electrode life span in production environment

Strategy:

Large sample run on 2 selected machine (WB24 & WB25)

Wire Type:

Heraeus DHF 2.0 mil (EL: 15 - 25 %, BL: 40 - 55 g)

Capillary:

SPT SU-68360-1275E

Respon​ses

  • Sparking Plasma

  • Production data

Factor Under Study

  • C5 Nozzle Electrode

Background Variables

  • Machine

  • Parameters

Measurement Methode

  • Visual Inspection

  • Production QC

Levels

  • ASM Electrode vs EQDR Electrode

Control Method

  • ASM Xtreme WB# 24 & WB# 25

  • Production SPC

Electrode Life Span Study

  • WB 24

    • After Installation​

  • WB 25​

    • After Installation​

No significant difference in NSOP and Missing Ball after 3 Hrs of Running.​

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Electrode Aging Evaluation

Objective:

To evaluate the Electrode aging effect by sparking above 1KK.

Wire Type:

Heraeus DHF 2.0 mil (EL: 15 - 25 %, BL: 40 - 55 g)

Strategy:

Electrode burn in test on machine (WB00304)

Capillary:

SPT SU-68360-1275E

Respon​ses

  • Sparking Plasma

Factor Under Study

  • C5 Nozzle Electrode

Background Variables

  • Machine

  • Parameters

Measurement Methode

  • Visual Inspection

Levels

  • EQDR Electrode

Control Method

  • ASM Xtreme WB# 00304

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Applied setting as per production firing parameter at high end.

Electrode Aging Evaluation

  • Sparking Condition

Plasma @ 30K Spark Off

Plasma @ 200K Spark Off

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Plasma @ 400K Spark Off

Plasma @ 500K Spark Off

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Electrode Aging Evaluation

  • In summary at 1.4KK sparking plasma is still concentrated and no abnormality.

Plasma @ 600K Spark Off

Plasma @ 800K Spark Off

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Plasma @ 1.2KK Spark Off

Plasma @ 1.4KK Spark Off

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FAB Sampling Study

Objective:

To evaluate the FAB formation stability.

Strategy:

100% visual inspection of 1000 FAB with ZERO deformation or oxidize ball.

Wire Type:

Heraeus DHF 2.0 mil (EL: 15 - 25 %, BL: 40 - 55 g)

Capillary:

SPT SU-68360-1275E

Frame Type:

SO8 High Density

Respon​ses

  • FAB formation

Factor Under Study

  • C5 Nozzle Electrode

Background Variables

  • Machine

  • Parameters

  • Vl Qc

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Measurement Methode

  • 100% Visual Inspection

Levels

  • EQDR Electrode

Control Method

  • ASM Xtreme WB# 0034

  • As per recipe

  • Yasir, Iqbal & Geale

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FAB Sampling Study

  • FAB Visual sample

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  • FAB Size sampling data

  • FAB Size compatible to production

No

FAB Size(um)

1

130.26

2

131.47

3

129.58

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7

130.55

6

129.76

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4

130.25

5

130.64

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8

131.26

9

130.68

10

130.78

Min

129.58

Max

131.47

Avg

130.52

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