3M attaching flexible circuit to lcd or pcb User Manual
Application Profile
3M Industrial Business
Market: Hand Held Devices
Application Description: Attaching Flexible Circuit to Liquid Crystal
Display (LCD) or a Printed Circuit Board (PCB).
Application Description: Attaching Flexible Circuit to Liquid Crystal
Display (LCD) or a Printed Circuit Board (PCB).
PRODUCT
3M
™
Z-Axis Adhesive Films
5352R, 5552R, 5460R and 7303
Application Method
Heat and pressure bond using hot bar bonder.
Key Application Requirements
Fine pitch interconnect.
Benefits/Advantages To Customer
Fine pitch interconnection: Bonds to pads as small as 100 mil²; pitch as fine
as 5.5 mils.
as 5.5 mils.
High reliability, stable properties: Eliminates solder bridging. Thermoset
adhesive provides stability of mechanical and electrical properties under many
demanding environmental conditions such as burn-in and thermal cycling tests.
adhesive provides stability of mechanical and electrical properties under many
demanding environmental conditions such as burn-in and thermal cycling tests.
Lead-free, no fluxes, no cleaning: An alternative to lead-based solder
connection; helps reduce cleaning chemicals; helps save processing steps.
connection; helps reduce cleaning chemicals; helps save processing steps.
Dry film construction: Adhesive supplied on poly release liner for easy
handling; dry assembly using hot-bar reflow bonder. Ideal for boards with
mixed through-hole surface mount technologies.
handling; dry assembly using hot-bar reflow bonder. Ideal for boards with
mixed through-hole surface mount technologies.
Repairable bond: High component utilization which helps reduce scrap, rework
and helps provide cost and time savings.
and helps provide cost and time savings.
Electrically connects and mechanically bonds
flexible printed circuits to the glass substrates of
LCDs
3M
™
Z-Axis Adhesive Film
5460R or 7303