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TESTING METHODOLOGIES

Whether you need maximum value and fast response from a single test or complete outsourced integration with our manufacturing services, IEC Electronics can perform testing to meet your requirements with strict adherence to industry standards.

Mechanical Testing

Mechancial Shock Testing

Used to detect the presence of loose particles inside a device cavity. Often caused by dirt, fibers, solder residues, and other elements trapped inside the cavity during the sealing process. The presence of loose particles may affect reliability and functionality. It is a non-destructive test used in total lot screening applications

Test to: MIL-STD-883 Method 2020

Resistance to Solvents testing 

Tests the ability of a device to withstand exposure to solvents. That solvents will not cause mechanical, electrical, or material damage to the device. The test validates ink-printed markings and physical surface of a component using liquid solvents.

Test to: AEC-Q101, JESD22-B107, MIL-STD-202 Method 215, MIL-STD-883 Method 2015

Solderability testing

Evaluates the solderability of terminations using SnPb or Pb-free solder. This also involves preconditioning to assess device package solderability.

Test to: JSTD-002, MIL-STD-883 Method 2003, MIL-STD-202 Method 208, AEC-Q101

ENVIRONMENTAL TESTING

Accelerated Bias Aging

Determines the reliability and quality of semiconductor devices. It combines elevated temperate and voltage to accelerate failure mechanisms. Includes:

  • Burn-In
  • High Temperature Operating Life (HTOL)
  • Low Temperature Operating Life (LTOL)

Cyclic Moisture Resistance

Evaluating the resistance to high-humidity and heat conditions typical of tropical environments

Test to: MIL-STD-883 Method 1004, MIL-STD-202 Method 106, JESD22-A110, JESD22-A113, J-STD-035,
J-STD-020

Highly Accelerated Stress Test (HAST)

Evaluates a sample’s resistance to humidity in an accelerated manner by combining high temperature, high relative humidity, and high atmospheric pressure with or without electrical bias. Similar to THB testing, as they both test for the same failure mechanism

Test to: JESD22-A110

Moisture/Reflow Sensitivity Level Testing (MSL)

Identifies the classification level of non-hermetic solid-state surface mount devices (SMDs) that are sensitive to moisture-induced stress. Used to determine how SMDSs should be properly packaged, stored, and handled to avoid damage in ambient room conditions during assembly, solder reflow attachment, and/or repair operating. This will determine classification level for Preconditioning.

Test to: JESD22-A113, J-STD-020, J-STD-035

Preconditioning Test

Used to measure the resistance of non-hermetic surface mount devices to worst-case moisture absorption followed by the soldering process and rework. Performed prior to package level reliability testing to simulate effects of board assembly on non-hermetic devices where moisture may have been absorbed during normal storage.

Test to: JESD22-A113, J-STD-020, J-STD-035

Steam Aging

Designed to artificially age components and circuit boards, to replicate shelf life

Test to: IPC-650, JSTD-002, MIL-STD-883 Method 2003, MIL-STD-202 Method 208, AEC-Q101, J-STD-002

Temperature Cycling/Thermal Cycling Testing

Determines the ability to withstand exposure to alternating extremes of high and low temperatures. Test conditions vary based on type of sample being tested. Specific cycling rates and other test conditions for components, boards, solder interconnects, or tin whisker evaluations can be specified. Used in evaluating reliability and catching early-term, latent defects.

Test to: JESD22-A104, MIL-STD-750 Method 1051, MIL-STD-883 Method 1010, MIL-STD-202 Method 107

Temperature Storage Testing

Measures device resistance to temperature storage environment.

Test to: JESD22-A103, MIL-STD-883 Method 1008

Thermal Shock Testing

Accelerates failure modes due to rapidly changing temperatures. Methods utilized: liquid-to-liquid or air-to-air depending on device requirements

Test to: MIL-STD-202 Method 107, MIL-STD 883 Method 1010, MIL-STD 883 Method 1011

COMPONENT ANALYSIS

Destructive Physical Analysis (DPA)

Systematic process of disassembling, testing, and inspecting electronic components to assess quality and reliability. Numerous electrical, mechanical, and environmental tests are performed to verify the internal design, materials, construction, and workmanship. This is done to reveal components with anomalies or defects that may cause degradation or system failure.

DPA is routinely used in the aerospace industry during up-screening to qualify commercial off-the-shelf (COTS) to class “S”.

Testing Capabilities:

  • Ball Shear Strength
  • Die Shear Strength
  • Digital Microscopy
  • External Visual Inspection
  • Glassivation Layer Inspection
  • Internal Visual Inspection
  • Cross-Sectioning
  • Particle Impact Noise Detection (P.I.N.D)
  • Scanning Electron Microscopy (SEM) Inspection
  • SEM Metallization Inspection
  • Solder Reflow/Moisture Sensitivity Testing
  • Glassivation Thickness
  • Metallization Thickness
  • Hermeticity Testing (Fine Leak, Gross Leak)
  • SEM, XRF, FTIR Elemental Analysis
  • Scanning Acoustic Microscopy (C Mode)
  • Acid De-encapsulation
  • Sample De-lidding

Test to: DLA suitability, MIL-STD-1580, MIL-STD-883, MIL-STD-202, SSQ-25000

Construction Analysis (CA)

Series of non-destructive and destructive tests that evaluate the quality of a component. It examines and documents physical characteristics including material elemental composition, dimensions, and quality details of the assembly.

Acoustic Microscopy (CSAM)

Evaluates the integrity of package and device construction using ultrasound waves. Detects voids, delaminations, or underfill problems. We offer various imaging modes, including C mode and through scan.

Test to: IPC/JEDEC, J-STD-020, J-STD-033, J-STD-035, AS6171-6

Real Time X-Ray

Non-destructive inspection tool used to examine components not visible on the exterior of the sample

Test to: MIL-STD-202 Method 209

X-Plane X-Ray

Non-destructive tool that uses tomosynthesis (or CT) technique to create 2-D X-ray slices of any plane of a printed circuit board assembly

MATERIALS / SURFACE ANALYSIS

Micro FTIR Spectroscopy

A spectroscopic technique that uses interferometry to obtain an infrared spectrum of absorption or emission. Typically used to identify unknown organic and some inorganic materials.

Test to: ASTM-E334

Scanning Electron Microscopy (SEM) Inspection

Provides high resolution and high depth-of-field images by scanning the surface with a focused beam of electrons. When used in combination with Energy Dispersive X-Ray Spectroscopy (EDS), SEM also offers elemental identification. Beneficial for uses in failure analysis, dimensional analysis process characterization, reverse engineering, and particle identification

Test to: DLA Suitability per MIL-STD 883 Method 2018, AS6171-2

Energy Dispersive Spectroscopy (EDS)

Chemical analysis method used to determine the elemental composition of a point, line, or areas.

X-Ray Fluorescence (XRF) Elemental Analysis

Non-destructive technique used for elemental identification of materials.

Test to: MIL-STD-883 Method 2037, MIL-STD-1580 Requirement 9, AS6081, AS6171, ASTM-B658-98, JSD-213, IPC-4552

External Visual Inspection

A non-destructive test that is used to verify attributes of component, such as condition, part marketing, lead conditions, dimension, and surface quality.

Test to: MIL-STD-883 Method 2009, MIL-STD-750 Method 2068, MIL-STD-750 Method 2071, MIL-STD-1580, AS5553, AS6171, AS6081, GEIA-STD-006, JESD22-B101, IDEA-STD-1010

Internal Visual Inspection

Evaluates the quality of passivation, metallization, and other die related components

Test to: MIL-STD-750, MIL-STD-883, MIL-STD-1580

HERMETICITY TESTING

Hermetic Package Testing

Fine and Gross Leak testing is available to determine the seal integrity of the package. Ensures reliability of the device as loss of hermeticity will allow moisture and contaminants to enter the package cavity.

Test to: MIL-STD-883 Method 1014, MIL-STD-202 Method 112

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