FPC compacting PCB auxiliary material testing method

Silicon aluminum foil PCB auxiliary material test.

1. Appearance inspection: smooth surface, no crack, cracks, particles, bubbles, pinholes and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature tolerance: the silicon aluminum foil continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), not allowed to be brittle.

5, silicone oil precipitation: silicon aluminum foil continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), silicon aluminum foil is not allowed to precipitate out.

Fiberglass cloth PCB auxiliary material test.

1. Appearance inspection: smooth surface, no wrinkles, cracks, particles and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature resistance, the glass fiber cloth continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), not allowed to be brittle.

To promote

Burn iron plate PCB auxiliary material test.

1. Appearance inspection: smooth surface, no crack, cracks, particles, bubbles, pinholes and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature tolerance, will pay plate burning continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), not allowed to be brittle. 5, silicone oil precipitation: will pay plate burning continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), not allowed to burn iron plate silicon oil analysis.

And out the other.

Green silica gel PCB auxiliary material test.

1. Appearance inspection: smooth surface, no crack, cracks, particles, bubbles, pinholes and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature tolerance: the green silicone continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), not allowed to be brittle.

5, silicone oil precipitation: green silicone continuous heating temperature tolerance test (temperature: 185 ℃; Preloading: 10 s. Molding time :120S; Pressure 100kg/cm2 continuous operation for 5 ~ 7 days), green silica gel is not allowed to precipitate out.

TPXPCB auxiliary material test.

1. Appearance inspection: smooth surface, no wrinkles, cracks, particles and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature tolerance: the TPX continuous heating temperature tolerance test (temperature: 200 ℃; Preloading: 10 s. Molding time :180S; Pressure 120kg/cm2 continuous operation 10 ~ 20 times), not allowed to be brittle.

5, silicone oil precipitation: TPX directly or indirectly with the copper foil pressing (temperature: 180 ℃; Preheating time :10S; Molding time :180S; Pressure :100kg/cm2), after continuous pressure of 10 ~ 20 times, after treatment, nickel plating was tested. After nickel plating, 10x magnifying glass was used to observe, and there was no copper phenomenon.

Test of deformable membrane PCB auxiliary material.

1. Appearance inspection: smooth surface, no crack, cracks, particles, bubbles, pinholes and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature tolerance: will the debonding membrane continuous heating temperature tolerance test (temperature: 200 ℃; Preloading: 10 s. Molding time :180S; Pressure 120kg/cm2 continuous operation 5 ~ 10 times), not allowed to be brittle.

5, silicone oil precipitation: copper foil and deliver the debonding layer pressure (temperature: 180 ℃; Preheating time :10S; Molding time :180S; Pressure :100kg/cm2), after continuous compression of 3 ~ 5 times before treatment, nickel plating was tested. After nickel plating, 10x magnifying glass was used to observe, and there was no copper phenomenon.

High temperature resistant tape PCB auxiliary material test.

1. Appearance inspection: smooth surface, no crack, cracks, particles, bubbles, pinholes and foreign impurities.

2. Thickness: measuring by micrometer, taking 5 points for measurement, reading data and recording.

3. Dimensions: measuring by ruler or measuring tape, taking the equal sides to measure, reading data and recording.

4, temperature resistance, resistance to high temperature tape continuous heating temperature tolerance test (temperature: 200 ℃; Preloading: 10 s. Molding time :180S; Pressure 120kg/cm2 continuous operation 10 ~ 20 times), not allowed to be brittle.