Injection Molding for Medical Devices

Proprietary plastic molding technology for outstanding design quality
Supporting the integration of electronic components into plastic parts

Nissha has met a wide range of customer design requirements through proprietary plastic molding technologies. We believe these technologies can also be applied to manufacturing components for medical devices.
This page introduces Nissha’s plastic molding technologies that combine aesthetic design with functionality.

Learn more about medical device design

Adding Graphic Design to Medical Device Cover Components

IMD (In-mold Decoration) and IML (In-mold Labeling) are in-mold decoration technologies that enhance medical device cover components with a brighter appearance and greater visual clarity.
Nissha’s IMD and IML technologies create decorative surfaces by transferring a printed layer onto molded parts or by inserting full-color printed films into the mold during injection molding. These processes enable cover components with a high level of design quality.

Multi-color Printing

Multicolored printed films allow buttons to be color‑coded by function, while pictograms or patterns can be applied to non‑functional areas of the panel surface.
Transparent Window

Transparent windows can be created by insert-molding a decorative layer with a window opening onto a transparent resin part. This eliminates the need for two-shot molding and reduces the number of parts required around the display area.
Light Transmission Design (dead front)

Light-transmitting designs are also available, allowing text and icons to light up from beneath a wide range of surface finishes, including metallic, wood-grain, and fabric-like designs.

Functional Value Added on Surface of Molded Parts

A variety of functional coating film can be added to IMD and IML surfaces, delivering benefits such as improved durability, a refined tactile feel, and antibacterial properties.

What is IMD/IML?

Hard Coat

A hard-coat film that can be applied to complex three-dimensional surfaces.
It has a proven track record in automotive interior panels and provides excellent scratch resistance.
Slip Resistance

A soft-touch coating film with a rubber-like feel, suitable for improving grip in handling areas.
Antibacterial Coating

An SIAA-certified antibacterial top layer is available. JIS Z 2801 testing demonstrated an antibacterial activity value of 5.3 (E. coli and S. aureus)

IMD and IML Enabling Diverse Design Possibilities

Nissha’s IMD and IML are in-mold decoration technologies in which a decorative film is placed inside the mold, enabling surface decoration of molded parts to be completed simultaneously with injection molding.

IMD（In-mold Decoration）

A technology that transfers only the printed layer from a decorative film onto the surface of molded parts. With IMD, molding and decoration are performed in a single process.
IML（In-mold Labeling）

A technology in which a decorative film is inserted into the surface of molded parts. IML allows decorative films to be applied to molded parts with deep or complex geometries.

*IMD and IML are registered trademarks of Nissha Co., Ltd.
*IMD is an abbreviation for “In-mold Decoration” and is a proprietary term coined by Nissha to describe a technology in which decoration and molding are performed simultaneously using transfer foil within an injection mold. IML is an abbreviation for “In-mold Labeling.”

Resin type

Moldable resins include PS, PP, ABS, acrylic, PC, and other commonly used thermoplastic resins.
Based on customer resin requirements, we evaluate and determine the most suitable processing conditions.
Vacuum Forming of Plastic Films

In addition to injection molding, we offer vacuum forming for plastic films.
We have experience in vacuum forming plastic films such as acrylic, ABS, and PP.

Nissha's Plastic Molding