Test method for flexible circuit board (FPC) laminates

- Aug 18, 2018-

4.2.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.4.2.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.4.2.3 dimension: measure with a ruler or a tape measure, take the same two sides for measurement, read the data and record it.4.2.4 temperature resistance: continuous heating of silicon aluminum foil for temperature resistance

4.2 silicon aluminum foil auxiliary material test:

4.2.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.

4.2.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.2.3 dimension: measure with a ruler or a tape measure, take the same two sides for measurement, read the data and record it.

4.2.4 temperature resistance: the silicon aluminum foil continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.Molding time :120S;Pressure 100kg/cm2 working for 5 ~ 7 days continuously), no crunching allowed.

4.2.5 silicone oil precipitation: silicon aluminum foil continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.When forming

: between the 120 s;The pressure is 100kg/cm2 for 5 ~ 7 days), and the silicone oil cannot be separated out.

4.3 measurement of glass fiber cloth auxiliary materials:

4.3.1 appearance inspection: smooth and smooth surface, no wrinkle, crack, particles and foreign impurities.

4.3.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.3.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record it.

4.3.4 temperature resistance: the glass fiber cloth continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.Molding time :120S;Pressure 100kg/cm2 working for 5 ~ 7 days continuously), no crunching allowed.

4.4 test of cast iron panel auxiliary materials:

4.4.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.

4.4.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.4.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record it.

4.4.4 resistant: will pay plate burning continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.Molding time :120S;Pressure 100kg/cm2 working for 5 ~ 7 days continuously), no crunching allowed.

4.4.5 silicone oil precipitation: will pay plate burning continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.When forming

: between the 120 s;The pressure is 100kg/cm2 working for 5 ~ 7 days continuously

And out the other.

4.5 green silica gel auxiliary material test:

4.5.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.

4.5.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.5.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record it.

4.5.4 temperature resistance: the green silicone continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.Molding time :120S;Pressure 100kg/cm2 working for 5 ~ 7 days continuously), no crunching allowed.

4.5.5 silicone oil precipitation: green silicone continuous heating temperature tolerance test (temperature: 185 ℃;Preloading: 10 s.When forming

: between the 120 s;The pressure is 100kg/cm2 for 5 ~ 7 days), and the green silicone silicone oil is not allowed to separate out.

4.6 TPX auxiliary materials test:

4.6.1 appearance inspection: smooth and smooth surface, no wrinkle, cracks, particles and foreign impurities.

4.6.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.6.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record it.

4.6.4 temperature resistance: the TPX continuous heating temperature tolerance test (temperature: 200 ℃;Preloading: 10 s.Molding time :180S;The pressure is 120kg/cm2, working for 10 ~ 20 times continuously), and it is not allowed to be brittle.

4.6.5 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 pressing for 10 to 20 times, the nickel plating was tested through pre-treatment. After nickel plating, the copper exposure was not allowed.

4.7 measurement of detached film auxiliary materials:

4.7.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.

4.7.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.7.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record.

4.7.4 resistant: will the debonding film continuous heating temperature tolerance test (temperature: 200 ℃;Preloading: 10 s.Molding time :180S;The pressure is 120kg/cm2 working for 5 ~ 10 times continuously.

Stating silicone oil precipitation: copper foil and deliver the debonding layer pressure (temperature: 180 ℃;Preheating time :10S;Molding time :180S;Pressure :100kg/cm2). Nickel plating was tested after 3 to 5 times of continuous pressing and after pre-treatment. After nickel plating, 10 times magnifier was used to observe, copper exposure was not allowed.

4.8 high-temperature belt auxiliary material test:

4.8.1 appearance inspection: smooth and smooth surface, no crack, crack, particle, bubble, pinhole and foreign impurity.

4.8.2 thickness: micrometer measurement, take 5 points for measurement, read data and record.

4.8.3 dimension: measure the ruler or tape measure, take the same two sides for measurement, read the data and record.

4.8.4 temperature resistance: the high temperature heat-resistant pressure-sensitive adhesive tapes continuous heating temperature tolerance test (temperature: 200 ℃;Preloading: 10 s.Molding time :180S;The pressure is 120kg/cm2, working for 10 ~ 20 times continuously), and it is not allowed to be brittle.