31.220.20 开关 标准查询与下载

ASTM F1995-13(2021) 用于确定膜开关中的表面贴装器件（SMD）和衬底之间的键的剪切强度的标准测试方法

1.1 This test method covers the determination of the shear integrity of materials and procedures used to attach surface mount devices (SMD) to a membrane switch circuit. 1.2 This test method is typically used to indicate the sufficient cure of conductive adhesive or underfill, or both. In general, this test method should be used prior to encapsulant. This test may also be used to demonstrate the Shear Force with encapsulation. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Determining the Shear Strength of the Bond between a Surface Mount Device (SMD) and Substrate in a Membrane Switch

KS C 6042-2020 封闭式敏感开关

Enclosed sensitive switches

ASTM F1595-00(2020) 观察膜片开关视觉检查条件的标准实践

1.1 This practice covers procedures for performing visual inspection of membrane switches. This includes visual inspection of overlays and circuitry. 1.2 This practice defines lighting parameters, distance from eye to specimen, viewing angle, and the viewing time allowed for a specific size specimen. 1.3 This practice is only designed for visual inspection of aesthetic qualities of membrane switches. It is not intended for color matching or gloss measurement. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Practice for Viewing Conditions for Visual Inspection of Membrane Switches

ASTM F2359-04(2019) 用漫射光源测定薄膜开关背光颜色的标准试验方法

1.1 This test method covers procedures for determining the luminous color of a backlit membrane switch. As written, it applies to a fully assembled switch. For specific purposes, it can be applied to partially assembled switches, with the understanding that the results pertain only to the partial assembly and will be modified as the further assembly proceeds. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Determining Color of a Membrane Switch Backlit with Diffuse Light Source

ASTM F2866-11(2019) 定义组装中膜开关的易燃性的标准测试方法

1.1 This test method covers the determination of the flammability characteristics of a membrane switch. 1.2 This test method defines the MSB rating of a membrane switch. Each character of the MSB rating represents a discrete characteristic of a membrane switch performance under destructive thermal loading. 1.3 This test procedure will be destructive, but should provide an insight into the relative performance flameresistance characteristics of differing designs or assemblies, or both. 1.4 This test method will focus on the use of convective contact (burner flame) method for ignition, though other methods of ignition are available. 1.5 This test method is designed to determine if the membrane switch assembly will add (or detract) from the flame propagation from an exterior flame/fire source. 1.6 If this test is intended to be used for an internal flammability source then set up the unit under test (UUT) appropriately and note it in the test scope and results. 1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Test Method for Flammability of a Membrane Switch in Defined Assembly

BS EN IEC 61020-1:2019 用于电气和电子设备的机电开关 通用规格

What is BS EN IEC 61020-1- Electromechanical switches about?    BS EN IEC 61020-1 is the first part of an international standard used for electromechanical switches that specifies the test method and test procedures which helps in manufacturing good quality electromagnetic switches. Using BS EN IEC 61020-1 you can ensure the safety of electronic equipment.    BS EN IEC 61020-1 specifies the terminology, symbols, test methods and other necessary information to provide consistency in detail specifications for electromechanical switches.   BS EN IEC 61020-1 relates to electromechanical switches intended for use in electrical and electronic applianc...

Electromechanical switches for use in electrical and electronic equipment. Generic specification

IEC 61020-1:2019 机电开关用于电气和电子设备 - 第1部分:通用规范

Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification

JIS C 6571:2015 电子设备用拨动开关

Toggle switches for use in electronic equipment

ASTM F1812-15 测定薄膜开关或印刷电子设备ESD放电效果的标准试验方法

3.1 Nearly all electronic devices are susceptible to possible damage or degradation from ESD encountered in their operating environments. The sensitivity of the equipment, the potential consequences of a malfunction, and the expected environmental conditions all impact the level of ESD protection needed. 3.2 ESD shielding effectiveness test may be destructive, and units that have been tested should be considered unreliable for future use. 1.1 This test method is used to determine the electrostatic discharge (ESD) shielding effectiveness of a membrane switch assembly or printed electronic device. This test method may be used to test a membrane switch or printed electronic device to destruction, that is, to determine its maximum ESD shielding effectiveness, or it may be used to test the ability of a membrane switch or printed electronic device to withstand a predetermined level of exposure. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use..

Standard Test Method for Determining the Effect of an ESD Discharge on a Membrane Switch or Printed Electronic Device

ASTM F1842-15 测定薄膜开关或印刷电子设备用柔性基体上油墨或涂层粘附性的标准试验方法

5.1 If the ink or coating is to fulfill its function, it must adhere to the substrate. Substrates and their surface preparation have a significant effect on the adhesion of inks or coatings. Therefore, a method of evaluating adhesion of inks or coatings to different substrates or surface treatments, or of different inks or coatings to the same substrate and surface treatment, is useful to the industry. 5.2 The limitations of all adhesion methods and the specific limitation of this test method to lower levels of adhesion should be recognized before using it. The intra– and inter–laboratory precision of this test method is under evaluation. 5.3 Printing area to be tested should be a solid area large enough to include the entire cross hatch pattern. 1.1 This test method is based on existing Test Method D3359, with modifications to make it suitable for flexible substrates, printed electronic devices and membrane switches. 1.2 Despite the problems associated with a tape test on plastic substrates, it is our belief that this is still one of the best ways to test ink and coating for adhesion for membrane switch or printed electronic device applications. In writing this test method we are addressing several of the objections to the test method that could affect its precision and repeatability on plastic substrates. 1.3 These test methods cover whether the adhesion of coating or ink to a substrate is at an acceptable level. They do not distinguish between higher levels of adhesion, for which more sophisticated methods of measurement may be required. Note 1: It should be recognized that differences in adherability of the ink or coating surface can affect the results obtained with inks or coatings having the same inherent adhesion. 1.4 In multi–coat systems adhesion failure may occur between coats, so that the adhesion of the coating system to the substrate is not determined. 1.5 This test method is specifically designed for measuring adhesion of inks and coatings (films) that have a thickness of 5 mil (125 microns) or less, on plastics such as polyester and polycarbonate. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Test Method for Determining Ink or Coating Adhesion on Flexible Substrates for a Membrane Switch or Printed Electronic Device

ASTM F1596-15 薄膜开关或印刷电子设备暴露于温度和相对湿度的标准试验方法

4.1 Changes in temperature and humidity during shipping, storage or use can affect the visual appearance, mechanical integrity, or electrical functionality of switches. This practice simulates three different environments to which membrane switches may be exposed. 4.2 The three industry-recognized switch categories based on performance levels are Level 1, Level 2, and Level 3 (see section 9.1). 4.3 Additionally, there may be custom requirements that vary by application, therefore, these requirements can be determined by customer and vendor agreement and be established as a Level 4. 4.4 This practice defines the duration of a single cycle. Multiple cycles may be appropriate depending on the requirements of the application. 1.1 This test method covers a procedure for temperature and humidity cycling of a membrane switch or printed electronic device. 1.2 This test method is performed to evaluate the properties of materials used in the construction of membrane switch or printed electronic assemblies as they are influenced by the absorption and diffusion of moisture and moisture vapor. This is an accelerated environmental test, accomplished by the continuous exposure of the test specimen to high relative humidity at an elevated temperature. Absorption of moisture by many materials results in swelling, which destroys their functional utility, causes loss of physical strength, and changes in other mechanical properties. Insulating materials which absorb moisture may suffer degradation of their electrical properties. 1.2.1 Physical changes: 1.2.1.1 Differential contraction or expansion rates or induced strain of dissimilar materials. 1.2.1.2 Cracking of surface coatings. 1.2.1.3 Leaking of sealed compartments. 1.2.1.4 Deformation or fracture of components. 1.2.2 Chemical changes: 1.2.2.1 Separation of constituents. 1.2.2.2 Failure of chemical agent protection. 1.2.3 Electrical changes: 1.2.3.1 Changes in electronic and electrical components. 1.2.3.2 Electronic or mechanical failures due to rapid water of condensate formation. 1.2.3.3 Excessive static electricity.

Standard Test Method for Exposure of a Membrane Switch or Printed Electronic Device to Temperature and Relative Humidity

ASTM F1843-15 镜面光泽测量用薄膜开关覆盖层使用塑料膜样品制备的标准实施规程

5.1 Gloss measurements are used to qualify a raw material or finished product. 5.2 Sample preparation will effect the outcome of gloss readings. This practice will eliminate second surface reflection, and allow a more accurate gloss reading of the substrate. 5.3 Materials which require this preparation include the following: clear or translucent substrates, colored transparent substrates, and areas printed with clear, translucent, or transparent colored coatings. 1.1 This practice covers the method of sample preparation, prior to taking gloss measurements on a membrane switch overlay. 1.2 Typical applications include window display areas on a graphic overlay, and surface texture. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Practice for Sample Preparation of Plastic Films used on Membrane Switch Overlays for Specular Gloss Measurements

GSO IEC 61076-4-001:2014 经过质量评估的连接器 用于直流、低频模拟和数字高速数据应用 第4部分：印刷板连接器 第001节：空白详细规范

  Scope is not provided for this standard

Connectors with assessed quality, for use in d.c., low-frequency analogue and in digital high-speed data applications - Part 4: Printed board connectors - Section 001: Blank detail specification

GSO IEC 61020-1:2014 电子设备用机电开关 第1部分：通用规范

This generic specification relates to electromechanical switches intended for use in electrical and electronic appliances. Switches covered by this specification: a) are devices which open, close, or change the connection of a circuit by the mechanical motion of conducting parts (contacts); b) have a maximum rated voltage of 480 V; c) have a maximum rated current of 63 A. This generic specification does not include keyboards and keypads which are intended for use in information-handling systems. Electromechanical key switches may be included under the scope of this generic specification. Switch families shall be described in any detail specifications that will reference this generic specification.

Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification

KS C 6071-2014 电子设备用开关总规范

Generic specification of switches for use in electronic equipment

KS C IEC 61020-6-2-2014 电子设备用机电开关 第6部分：敏感开关分规范？第2部分：单极、非密封超小型敏感开关的详细规范，最大250 V，最大电气额定值5 A

Electromechanical switches for use in electronic equipment－Part 6：Sectional specification for sensitive switches ?Section 2：Detail specification for one pole, unsealed subminiature sensitive switches, 250 V maximum, 5 A maximum electrical rating

KS C IEC 61020-2-2-2014 电子设备用机电开关 第2部分：旋转开关分规范 第2部分：中央安装、12位、直径17mm旋转开关详细规范

Electromechanical switches for use in electronic equipment－Part 2：Sectional specification for rotary switches－Section 2：Detail specification for rotary switches with central mounting, 12 positions, 17 mm diameter

KS C IEC 61020-2-1-2014 电子设备用机电开关 第2部分：旋转开关分规范 第1部分：空白详细规范

Electromechanical switches for use in electronic equipment－Part 2：Sectional specification for rotary switches－Section 1：Blank detail specification

KS C IEC 61020-2-2:2014 电子设备用机电式开关 第2部分：旋转开关的分规范 第2节 中央悬挂、12位、17mm直径的旋转开关详细规范

Electromechanical switches for use in electronic equipment－Part 2：Sectional specification for rotary switches－Section 2：Detail specification for rotary switches with central mounting, 12 positions, 17 mm diameter

KS C IEC 61020-6-2:2014 电子设备用的机电开关 第6部分：敏感开关分规范 第2节 额定最大电压250V、最大电流5A的单级不密封超小型开关的详细规范

Electromechanical switches for use in electronic equipment－Part 6：Sectional specification for sensitive switches ?Section 2：Detail specification for one pole, unsealed subminiature sensitive switches, 250 V maximum, 5 A maximum electrical rating