{"id":1328,"date":"2026-08-22T08:25:57","date_gmt":"2026-08-22T08:25:57","guid":{"rendered":"https:\/\/hnjenten.com\/?p=1328"},"modified":"2026-08-22T08:50:52","modified_gmt":"2026-08-22T08:50:52","slug":"carrier-tape-raw-materials","status":"publish","type":"post","link":"https:\/\/jinyingteng.com\/ru\/carrier-tape-raw-materials\/","title":{"rendered":"\u0421\u044b\u0440\u044c\u0435 \u0434\u043b\u044f \u043b\u0435\u043d\u0442-\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u0435\u0439"},"content":{"rendered":"

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High-Performance Thermoplastic Sheets for Precision Carrier Tape Forming<\/strong><\/p>\n\n\n\n

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Carrier tape is the backbone of modern surface-mount technology (SMT) packaging\u2014a precision-engineered thermoplastic strip that holds electronic components during storage, shipping, and automated assembly. The quality of the finished carrier tape begins with the raw material. As the industry standard EIA-481 and IEC 60286-3 specify, carrier tapes must meet stringent dimensional and electrostatic requirements to ensure compatibility with automated placement equipment .<\/p>\n\n\n\n

The selection of raw materials directly determines pocket-forming quality, dimensional stability, electrostatic discharge (ESD) performance, and overall production efficiency. Whether manufacturing semiconductor IC tapes, LED packaging strips, or consumer electronics component carriers, the material choice impacts every downstream process\u2014from forming station throughput to SMT placement yield.<\/p>\n\n\n\n

Thermoplastic sheets for carrier tape production are typically supplied in roll form, with thicknesses ranging from 0.2mm to 0.5mm<\/strong> and widths up to 700mm<\/strong>. These materials undergo a multi-stage processing journey: preheating to remove moisture, forming at controlled temperatures, precision punching, slitting, and final rewinding.<\/p>\n\n\n\n

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Common Carrier Tape Materials: PC, PS, and PET<\/h2>\n\n\n\n

The most widely used materials for embossed carrier tape production are Polycarbonate (PC)<\/strong> , Polystyrene (PS)<\/strong> , and Polyethylene Terephthalate (PET)<\/strong> . Each offers distinct properties that make it suitable for specific applications.<\/p>\n\n\n\n

Polycarbonate (PC)<\/h3>\n\n\n\n

Polycarbonate is a transparent, amorphous thermoplastic known for its exceptional impact strength and dimensional stability . It is the preferred material for demanding applications where pocket integrity and optical clarity are critical.<\/p>\n\n\n\n

Property<\/th>Characteristic<\/th><\/tr><\/thead>
Transparency<\/strong><\/td>High optical clarity for automated inspection<\/td><\/tr>
Heat Resistance<\/strong><\/td>Up to 120\u2013130\u00b0C<\/td><\/tr>
Impact Strength<\/strong><\/td>Excellent; suitable for deep cavities (>10mm)<\/td><\/tr>
Surface Resistivity<\/strong><\/td>Customizable (conductive grades available)<\/td><\/tr>
Typical Applications<\/strong><\/td>Connectors, relays, shielding covers, large inductors<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Industry sources confirm that PC is particularly suitable for deep-cavity carrier tapes<\/strong> and applications where mechanical strength is paramount . Its resistance to impact makes it ideal for heavy or sensitive components that require robust protection during shipping.<\/p>\n\n\n\n

Polystyrene (PS)<\/h3>\n\n\n\n

Polystyrene is a cost-effective, general-purpose thermoplastic widely used in carrier tape production. It offers excellent formability and surface finish at a lower cost point than PC.<\/p>\n\n\n\n

Property<\/th>Characteristic<\/th><\/tr><\/thead>
Transparency<\/strong><\/td>Good clarity<\/td><\/tr>
Heat Resistance<\/strong><\/td>Up to 80\u201390\u00b0C<\/td><\/tr>
Formability<\/strong><\/td>Excellent for shallow cavities (<8mm)<\/td><\/tr>
Surface Resistivity<\/strong><\/td>Customizable (conductive grades available)<\/td><\/tr>
Typical Applications<\/strong><\/td>Chip resistors, capacitors, SOT-23, SOP packages, LEDs<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

PS is the material of choice for high-volume, cost-sensitive production<\/strong> and is commonly available in both conductive and non-conductive grades . Industry literature notes that PS carrier tapes are widely used for passive components and standard IC packages where the pocket depth requirements are moderate .<\/p>\n\n\n\n

Conductive PS:<\/strong> Carbon black is added during compounding to achieve surface resistivity in the range of 10\u2075\u201310\u00b9\u00b9 \u03a9\/sq . This is critical for ESD-sensitive components such as MOSFETs and ICs. As documented in manufacturing patents, conductive PS formulations typically contain 10\u201330% conductive carbon black by mass .<\/p>\n\n\n\n

PET and APET<\/h3>\n\n\n\n

PET (Polyethylene Terephthalate) and its amorphous variant APET are increasingly popular due to their excellent optical clarity, low forming shrinkage, and balanced cost-performance ratio.<\/p>\n\n\n\n

Property<\/th>Characteristic<\/th><\/tr><\/thead>
Transparency<\/strong><\/td>Comparable to PC<\/td><\/tr>
Heat Resistance<\/strong><\/td>85\u2013100\u00b0C<\/td><\/tr>
Shrinkage<\/strong><\/td>Low; good dimensional stability<\/td><\/tr>
Surface Resistivity<\/strong><\/td>Permanent antistatic capability (10\u2076\u201310\u2078 \u03a9\/sq)<\/td><\/tr>
Typical Applications<\/strong><\/td>Automotive electronics, power modules, halogen-free applications<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Industry sources indicate that APET offers low forming shrinkage<\/strong>, making it particularly suitable for thin components (thickness <2mm) where dimensional precision is critical . Its transparency is comparable to PC, enabling reliable optical inspection during production.<\/p>\n\n\n\n

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Material Specifications and Selection Criteria<\/h2>\n\n\n\n

Thickness and Width<\/h3>\n\n\n\n

Carrier tape raw materials are supplied in sheet form with precise thickness control:<\/p>\n\n\n\n