T/CSTM 00990-2023 Active Group standards

T/CSTM 00990-2023 Test Method for Dielectric Constant and Dielectric Loss Angle Tangent in the Millimeter-Wave Band Using the Near-field Cavity Method

T/CSTM 00990-2023

Publish Date: 2023-04-07 Implement Date: 2023-07-07 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSTM 00990-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Printed circuit board

ICS Name: Printed circuits and printed circuit boards

Publish Date: 2023-04-07

Implement Date: 2023-07-07

Pages: 14 pages

Scope

Scope: This document specifies the test method for the dielectric constant and dielectric loss tangent of medium substrates in the millimeter wave band, including principles, environmental conditions, instrumentation, sample requirements, test steps, calculation formulas, system errors, precautions, and test reports. This document is applicable to testing the dielectric constant and dielectric loss tangent of sheet-like solid materials in the millimeter wave frequency range. Frequency test range: f = 25 GHz to 110 GHz; Dielectric constant test range: ε_r' = 2.0 to 20.0; Loss tangent value test range: tan?〖δ_ε 〗?〖=1.0×10(-4) to 1.0×10(-2) 〗; Temperature test range: -65 °C to 125 °C.