Application directory / PI Film

Polyimide Film Applications

JHS International helps overseas electronics and industrial buyers organize application requirements before coordinating Polyimide Film sourcing discussions in China.

Application navigation

Begin with the buyer's real use context.

Application pages explain general evaluation factors and sourcing inputs. They do not guarantee that one PI Film grade or construction fits every design or process.

01FPC
AI-generated illustration: Flexible circuit with copper traces on an amber substrate
Finished flexible circuit concept — not bare film

Flexible circuits (FPC)

Separate PI base film, flexible copper-clad laminate and finished circuits; review bending, bonding and dimensional requirements.

Polyimide Film for FPC
02PCB
AI-generated illustration: Amber adhesive masking tape covering edge contacts on a green printed circuit board
PCB masking concept — adhesive-backed material, not bare film

PCB assembly & masking

Compare temporary adhesive masking with permanent insulation needs. Bare PI Film and PI tape are not interchangeable.

Polyimide Film for PCB
03BAT
AI-generated illustration: Closed electric vehicle battery pack with external connectors; internal materials are not shown
Battery pack context — internal PI placement is not specified

Lithium Battery

Understand application-defined insulation, thermal, protection, material-form, and validation questions for battery buyers.

Polyimide Film for Lithium Battery
04SEM
AI-generated illustration: Simplified chip-on-film carrier showing a slender die and circuit traces on amber flexible film
COF carrier concept — simplified, not an engineering drawing

Semiconductor packaging / COF

See the flexible carrier role in chip-on-film and distinguish roll film from liquid PI coatings used in other packaging processes.

Polyimide Film for Semiconductor Packaging
AI-generated illustration: Generic orange automotive cable harness with connectors; internal material construction is not shown
End-use concept — not a qualified insulation system

Additional sourcing discussion / Automotive

High-voltage harness material requirements

The harness illustration shows an end-use assembly, not a JHS product or proof that its insulation contains PI. Cable insulation, protective sleeving and adhesive wraps are different constructions.

Where a buyer is evaluating a PI-based construction, we can discuss the specification and coordinate supplier enquiries. Bare PI Film, PI tape and composite wrapping materials must not be treated as equivalent. No automotive qualification or ready-to-supply harness capability is implied.

Share the intended material role, construction, electrical and thermal requirements, mechanical and environmental conditions, and required validation documents.

Discuss an insulation material requirement

Core material

Polyimide Film sourcing starts with a clear requirement.

Review the main product pillar for PI Film definitions, categories, selection factors, sourcing support, and RFQ preparation.

Explore the Polyimide Film product page