In an earlier post, we asked this question, but it’s come back again and again, so we want to address again, in more detail, and with an aim for discussion. We are often asked if our products are UL Certified. Customers often as us because they in turn need to provide UL certification on their [...]

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Many customer have requested whether CAPLINQ can offer thinner polyimide tapes. CAPLINQ is pleased to announce LINQTAPE PIT0.5S a 0.5mil (13 micron) Polyimide Film with a 1mil (25 micron) silicone adhesive. LINQTAPE PIT1S has a backing thickness of 1mil (25 micron) and the adhesive layer adds another 1.5 mil (36micron) for an overall thickness of [...]

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CAPLINQ LINQTAPE Polyimide Film can be used to sputter metals, including precious metals like Gold (Au) and Titanium (Ti). This may be done for various reasons including: Sputtering metals on silicon wafers Study the inter-metallic layers formed during metal deposition Study the metal-polyimide interface Carry out X-ray photoelectron spectroscopy The first test is to determine [...]

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Questions and answers concerning LINQTAPE Polyimide Film and Tape

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As a manufacturer of polyimide tapes and films (generic version of Kapton), we are often asked whether we can make custom-made shapes and sizes to meet advanced packaging requirements. The requests come from design engineers looking to incorporate polyimide films into their designs, often to create an insulation layers between two parts. CAPLINQ offers this [...]

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Lead-Acid Gel batteries are used in back-up power supplies for alarm and smaller computer systems (particularly in uninterruptible power supplies) and for electric scooters, electrified bicycles, transportation and marine applications. Unlike wet cells, gel cells are sealed, with pressure relief valves in case of overcharging. During normal use they cannot spill liquid electrolyte. In the [...]

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CAPLINQ does work with an independent testing facility who can carry out this the UL Certification, but then CAPLINQ normally requests either a commitment for a certain order quantity (ie. 100 rolls), or that the customer pay for the testing.

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CAPLINQ’s non-adhesive polyimide (Kapton) film – it’s PITN-Series – has been successfully tested as a release film in a welding press that fuses PTFE-coated composite conveyor belting.

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Generally speaking, the acrylic adhesive will have higher adhesion at mid-range temperatures (0°C to 100°C), but silicone adhesives have higher adhesion at lower temperatures (under 0°C) and higher temperatures (above 100°C). This adhesion is independent of the tape thickness (1mil, 2mil or 5mil) as the adhesive layer thickness remains constant. This is substrate dependent and [...]

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As described in the article “How Polyimide Tapes are Made“, tapes are composed of two distinct layers, each of which is critical to the properties of the final product. The first layer is the backing material, and whether this is polyimide film (the generic verison of DuPont’s Kapton), polyvinyl chloride (PVC), Polyethylene terephthalate (PET), or [...]

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