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Siliconware's flash memory card family integrates multiple chips, either placed side-by-side or stacked vertically, with passive components to enhance electrical performance. Siliconware's flash memory card family utilizes standard assembly processing, including wire bonding, molding and LGA (Land Grid Array) package technology, which results in flexible optimized substrate designs to improve electrical performance due to shorter interconnections. Siliconware offers the best packaging solution for all types of popular flash memory cards, from MMC, SD, to the smallest Micro SD Card.
APPLICATIONS
Siliconware Memory Card packages are widely adopted for applications such as digital cameras, MP3 players, cellular phones and PDAs.
FEATURES
• Very thin profile- 0.36mm minimum
• Stacked die construction available
• Integrated passive components
• Singulation utilizing Punch, Blade saw, Water jet saw, Laser cut and Grind technologies
• Rigid substrate
• Full in-house design capability
Process Flow Material
Normal package
Wafer Back Grinding (Option) Grinding tape
Wafer Mount Blue tape
Wafer Saw & Clean
2nd Optical Inspection Microscope
Substrate Pre Bake (Option)
R/C SMT (Option) Capacitor / Resistor
Substrate Pre Bake
Die Attach & Epoxy Cure Siliver Epoxy
NITTO Film
Plasma Clean (Option)
Wire Bond Gold Wire: 99.99% & 99% Au
3rd Optical Inspection Microscope
Molding Sumitomo compound
NITTO compound
Marking White Ink
Post Mold Cure
Singulation (Option) Punch / Blade saw / Water jet saw / Laser cut / Grinding cut
Final Visual Inspection
Packing Tray
 
 
RELIABILITY
• Temp./Humidity Test 500 Hours @ 40ºC/ 93%RH
• High Temp. Storage 500 hrs @ 85ºC
• Low Temp. Storage 168 hrs @ -40ºC
• Temp. Cycle Test 100Cycles,0.5 h/cycle@ -25ºC~ 85ºC
• Salt Water Spray Teat 3% NaCl @35ºC 24hours
• Insertion/Removal 4sec/cycle, 10K times
• Drop shock 1.5m height ,6faces
• Bending test 10N force apply on the center 5 times of label side and back side for 60 sec (For SD card)
• Twist test 0.4Nm Torque(or 10degee twist) 5X clockwise 5X counter clockwise (For MMC)
  0.15Nm Torque(or 2.5degee twist) 5X clockwise 5X counter clockwise (For SD card)
 
SPIL Available package
PACKAGE BODY SIZE (mm) GOLD FINGER Origination
SD CARD 32*24*2.1 9 SD Card Association
MINI SD 21.5*20*1.4 11 SD Card Association
MICRO SD 11*15*0.7 8 SD Card Association
MMC 32*24*1.4 7 MultiMediaCard Association
RSMMC 24*18*1.4 7 MultiMediaCard Association
MMC mobile 24*18*1.4 13 MultiMediaCard Association
MMC MICRO 12*14*1.1 10 MultiMediaCard Association
Memory Stick 50*21.5*2.8 10 Sony Corporation
MS-Pro-Duo 22*35*1.5 10 Sony Corporation
MS micro 12.5*15.2*1.2 11 Sony Corporation
XD 25*20*1.7 18 Fujifilm / Olympus Corporation
P-TAG MMC 30.48*45.72*2.9 10 Sandisk Corporation
 
 
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