EOS与ESD检查培训资料（韩文）.ppt

1、1,2008. 11. 04 Global CS ,EOS/ESD ,EOS/ESD Seminar,2,EOS/ESD Seminar, ,EOS/ESD . EOS / . ESD / 2. . . ESD . MSL . ESD Mechanism 3. . . . EOS/ESD . ,3,1. EOS / ESD , (Absolute Maximum Rating) Over Stress : Electrical Over-Stress Burnt Wire Open (Decap. , pattern ),EOS (Electrical Over-Stress),4,EOS .

2、 Spec. limit . Impulsive Surge AC DC Switching/Noise , pulse . AC leak AC Ground Floating Chassis AC . Swell/Sag Voltage DC Switching Over (swell)/ Under (sag) voltage. . Latch-up .,1. EOS / ESD ,5, : discharge ESD (HBM, CDM),ESD (Electro-static Discharge),1. EOS / ESD ,HOT SPOT,6,ESD . . (induction

3、) ESD . EMI Pulse (Wide-band Electromagnetic Interference Pulse) Spark . (Thermal Breakdown) (Hot Spot) HBM, MM . (Dielectric Breakdown) MOS Gate CDM, HBM . (Metallization Melt) Bond wire ,1. EOS / ESD ,7, . ( + ) ( - ) , . , . . ESD (Electro-Static Discharge) ., ,2. ,+ ,- ,8, . : 2 , +, - . : . : .

4、 : . : , . : , +,- . . , , .,2. ,9, . (+) (-) 1 . ( ) Class ( ESD , HBM),2. ,10, 3KV , 100V IC .,2. ,11, () , . 50% . , . . . 5, 65% 20 24%, .,2. ,12,() . MSL : LEVEL (Moisture-Sensitive devices Level) . : 1 . BAKING ,2. ,MSL, , , ,Baking ,Baking ,13,MSL Baking (),2. ,MSL LEVEL,BAKING ,14,ESD Mechan

5、ism . HBM (Human Body Model) V KW . CDM (Charged Device Model) , , .,2. ,15,ESD Mechanism . FIM (Field Induced Model) , IC IC IC Data . Q E = Q / 4。rV/m Q , . . MM (Machine Model) Ex) IC Mount IC .,2. ,16, (ESD ) : Condenser Charge ,2. ,17,Ground () , : 2 ,2. ,18, ,2. ,19, ,3. , ,1) Class 13 2) , 3)

6、 Lay Out 4) Check List ,Level Check, Main ,20, Point,3. ,21,EOS/ESD . AC Leak ( ) ,3. ,1. Tester (DVM) AC . 2. , . . 3. : AC 5V 4. : 1/ 5. : PBA() , , JIG, , ,22,EOS/ESD . Earth-Ring ,3. ,1. . 2. , . 3. : ()/() 4. : 1/ 5. : ,1. Tester (DVM) . 2. () . 3. () . 3. : 1.0 10% 4. : 1/ 5. : ,23,EOS/ESD . ,

7、3. ,1. ON. (Shied ) 2. Zero Setting , Point 3. : 100V 4. : 1/ 5. : IC, , , / 6. (ex. ),1. ON , Zero Setting . 2. Shied , 20cm 3. : 20V 4. : 1/ 5. : 6. : Filter Clean ,24,EOS/ESD . ,3. ,1. Mat Tile Point . 2. 3 , . 3. : 106 109 / 4. : 1/, ,25,EOS/ESD . ,3. ,1. ON . 2. Out/GND Ground . 3. . 4. , M 5.

8、: 5V 6. : 1/ ,26,EOS/ESD . ,3. ,1. Tester (DVM) . 2. () GND . 3. () . 3. : 10 / AC 5V 4. : 1/ 5. : ON , 5 ,1. ON . 2. 5 . 3. , 4. . (3 10S ) 5. . 6. : 350 10 () 7. : 1/ ,27,EOS/ESD . GND ,3. ,1. Tester (DVM) . 2. () GND . 3. () GND . 4. .,. : 2 . : 1/ ,28,EOS/ESD . ,3. ,1., Check Sheet . 2. : 2/ 3. : 4. ,29,EOS/ESD . ,3. ,30,EOS/ESD . ,3. ,31,EOS/ESD . Check Sheet,3. ,32,EOS/ESD . SET